Multiple vulnerabilities in Oracle WebLogic Server
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 14 |
| CVE-ID | CVE-2021-1996 CVE-2021-2033 CVE-2018-10237 CVE-2020-11022 CVE-2021-1995 CVE-2020-5421 CVE-2021-2109 CVE-2019-10086 CVE-2021-2075 CVE-2021-2108 CVE-2021-2064 CVE-2021-2047 CVE-2021-1994 CVE-2019-17195 |
| CWE-ID | CWE-20 CWE-789 CWE-79 CWE-693 |
| Exploitation vector | Network |
| Public exploit |
Public exploit code for vulnerability #4 is available. Public exploit code for vulnerability #6 is available. Public exploit code for vulnerability #7 is available. |
| Vulnerable software Subscribe |
Oracle WebLogic Server Server applications / Application servers |
| Vendor | Oracle |
Security Bulletin
This security bulletin contains information about 14 vulnerabilities.
1) Improper input validation
EUVDB-ID: #VU49799
Risk: Low
CVSSv3.1: 2.1 [CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-1996
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote privileged user to gain access to sensitive information.
The vulnerability exists due to improper input validation within the Web Services component in Oracle WebLogic Server. A remote privileged user can exploit this vulnerability to gain access to sensitive information.
MitigationInstall update from vendor's website.
Vulnerable software versionsOracle WebLogic Server: 10.3.6.0.0 - 12.1.3.0.0
External linkshttp://www.oracle.com/security-alerts/cpujan2021.html?3219
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Improper input validation
EUVDB-ID: #VU49798
Risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-2033
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote authenticated user to perform service disruption.
The vulnerability exists due to improper input validation within the Core Components component in Oracle WebLogic Server. A remote authenticated user can exploit this vulnerability to perform service disruption.
MitigationInstall update from vendor's website.
Vulnerable software versionsOracle WebLogic Server: 12.1.3.0.0 - 14.1.1.0.0
External linkshttp://www.oracle.com/security-alerts/cpujan2021.html?3219
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
3) Uncontrolled memory allocation
EUVDB-ID: #VU12886
Risk: Low
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-10237
CWE-ID:
CWE-789 - Uncontrolled Memory Allocation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to cause DoS condition on the target system.
The weakness exists due to unbounded memory allocation. A remote attacker can cause the service to crash and deserialize attacker-provided data, because the AtomicDoubleArray class (when serialized with Java serialization) and the CompoundOrdering class (when serialized with GWT serialization) perform eager allocation without appropriate checks on what a client has sent and whether the data size is reasonable.
Install update from vendor's website.
Vulnerable software versionsOracle WebLogic Server: 12.2.1.3.0
External linkshttp://www.oracle.com/security-alerts/cpujan2021.html?3219
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
4) Cross-site scripting
EUVDB-ID: #VU27052
Risk: Low
CVSSv3.1: 5.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:P/RL:O/RC:C]
CVE-ID: CVE-2020-11022
CWE-ID:
CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Exploit availability: Yes
DescriptionThe disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data in the regex operation in "jQuery.htmlPrefilter". A remote attacker can pass specially crafted data to the application that uses .html()</code>, <code>.append() or similar methods for it and execute arbitrary JavaScript code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
MitigationInstall update from vendor's website.
Vulnerable software versionsOracle WebLogic Server: 12.1.3.0.0 - 14.1.1.0.0
External linkshttp://www.oracle.com/security-alerts/cpujan2021.html?3219
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.
5) Improper input validation
EUVDB-ID: #VU49794
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-1995
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote authenticated user to manipulate data.
The vulnerability exists due to improper input validation within the Web Services component in Oracle WebLogic Server. A remote authenticated user can exploit this vulnerability to manipulate data.
MitigationInstall update from vendor's website.
Vulnerable software versionsOracle WebLogic Server: 10.3.6.0.0 - 12.1.3.0.0
External linkshttp://www.oracle.com/security-alerts/cpujan2021.html?3219
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
6) Improper input validation
EUVDB-ID: #VU49739
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2020-5421
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: Yes
DescriptionThe vulnerability allows a remote authenticated user to read and manipulate data.
The vulnerability exists due to improper input validation within the Core (Spring Framework) component in Oracle Communications Session Report Manager. A remote authenticated user can exploit this vulnerability to read and manipulate data.
MitigationInstall update from vendor's website.
Vulnerable software versionsOracle WebLogic Server: 10.3.6.0.0 - 14.1.1.0.0
External linkshttp://www.oracle.com/security-alerts/cpujan2021.html?3219
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
7) Improper input validation
EUVDB-ID: #VU49793
Risk: Medium
CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-2109
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: Yes
DescriptionThe vulnerability allows a remote privileged user to execute arbitrary code.
The vulnerability exists due to improper input validation within the Console component in Oracle WebLogic Server. A remote privileged user can exploit this vulnerability to execute arbitrary code.
MitigationInstall update from vendor's website.
Vulnerable software versionsOracle WebLogic Server: 10.3.6.0.0 - 14.1.1.0.0
External linkshttp://www.oracle.com/security-alerts/cpujan2021.html?3219
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
8) Protection mechanism failure
EUVDB-ID: #VU20844
Risk: Low
CVSSv3.1: 3.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-10086
CWE-ID:
CWE-693 - Protection Mechanism Failure
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to bypass certain security restrictions.
The vulnerability exist due to Beanutils is not using by default the a special BeanIntrospector class in PropertyUtilsBean that was supposed to suppress the ability for an attacker to access the classloader via the class property available on all Java objects. A remote attacker can abuse such application behavior against applications that were developed to rely on this security feature.
MitigationInstall update from vendor's website.
Vulnerable software versionsOracle WebLogic Server: 10.3.6.0.0 - 12.2.1.4.0
External linkshttp://www.oracle.com/security-alerts/cpujan2021.html?3219
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
9) Improper input validation
EUVDB-ID: #VU49780
Risk: High
CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-2075
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
The vulnerability exists due to improper input validation within the Samples component in Oracle WebLogic Server. A remote non-authenticated attacker can exploit this vulnerability to execute arbitrary code.
MitigationInstall update from vendor's website.
Vulnerable software versionsOracle WebLogic Server: 10.3.6.0.0 - 14.1.1.0.0
External linkshttp://www.oracle.com/security-alerts/cpujan2021.html?3219
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
10) Improper input validation
EUVDB-ID: #VU49779
Risk: High
CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-2108
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
The vulnerability exists due to improper input validation within the Core Components component in Oracle WebLogic Server. A remote non-authenticated attacker can exploit this vulnerability to execute arbitrary code.
MitigationInstall update from vendor's website.
Vulnerable software versionsOracle WebLogic Server: 12.1.3.0.0
External linkshttp://www.oracle.com/security-alerts/cpujan2021.html?3219
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
11) Improper input validation
EUVDB-ID: #VU49778
Risk: High
CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-2064
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
The vulnerability exists due to improper input validation within the Core Components component in Oracle WebLogic Server. A remote non-authenticated attacker can exploit this vulnerability to execute arbitrary code.
MitigationInstall update from vendor's website.
Vulnerable software versionsOracle WebLogic Server: 12.1.3.0.0
External linkshttp://www.oracle.com/security-alerts/cpujan2021.html?3219
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
12) Improper input validation
EUVDB-ID: #VU49777
Risk: High
CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-2047
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
The vulnerability exists due to improper input validation within the Core Components component in Oracle WebLogic Server. A remote non-authenticated attacker can exploit this vulnerability to execute arbitrary code.
MitigationInstall update from vendor's website.
Vulnerable software versionsOracle WebLogic Server: 10.3.6.0.0 - 14.1.1.0.0
External linkshttp://www.oracle.com/security-alerts/cpujan2021.html?3219
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
13) Improper input validation
EUVDB-ID: #VU49776
Risk: High
CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-1994
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote non-authenticated attacker to execute arbitrary code.
The vulnerability exists due to improper input validation within the Web Services component in Oracle WebLogic Server. A remote non-authenticated attacker can exploit this vulnerability to execute arbitrary code.
MitigationInstall update from vendor's website.
Vulnerable software versionsOracle WebLogic Server: 10.3.6.0.0 - 12.1.3.0.0
External linkshttp://www.oracle.com/security-alerts/cpujan2021.html?3219
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
14) Input validation error
EUVDB-ID: #VU24168
Risk: Medium
CVSSv3.1: 6.4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2019-17195
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to Nimbus JOSE+JWT throws various uncaught exceptions while parsing a JWT. A remote attacker can send a specially crafted JWT token and cause the application to crash or potentially bypass authentication.
Install update from vendor's website.
Vulnerable software versionsOracle WebLogic Server: 12.2.1.3.0 - 12.2.1.4.0
External linkshttp://www.oracle.com/security-alerts/cpujan2021.html?3219
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
