Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 4 |
CVE-ID | CVE-2021-21642 CVE-2021-21645 CVE-2021-21644 CVE-2021-21643 |
CWE-ID | CWE-611 CWE-264 CWE-352 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
Config File Provider Web applications / Modules and components for CMS |
Vendor | Jenkins |
Security Bulletin
This security bulletin contains information about 4 vulnerabilities.
EUVDB-ID: #VU52492
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-21642
CWE-ID:
CWE-611 - Improper Restriction of XML External Entity Reference ('XXE')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to insufficient validation of user-supplied XML input. A remote authenticated attacker can pass a specially crafted XML code to the affected application and view contents of arbitrary files on the system or initiate requests to external systems.
Successful exploitation of the vulnerability may allow an attacker to view contents of arbitrary file on the server or perform network scanning of internal and external infrastructure.
MitigationInstall updates from vendor's website.
Vulnerable software versionsConfig File Provider: 1.0 - 3.7.0
External linkshttp://www.jenkins.io/security/advisory/2021-04-21/#SECURITY-2204
http://www.openwall.com/lists/oss-security/2021/04/21/2
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.
EUVDB-ID: #VU52495
Risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-21645
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to sensitive information on the system..
The vulnerability exists due to the affected plugin does not perform permission checks in several HTTP endpoints. A remote authenticated attacker can enumerate configuration file IDs.
MitigationInstall updates from vendor's website.
Vulnerable software versionsConfig File Provider: 1.0 - 3.7.0
External linkshttp://www.jenkins.io/security/advisory/2021-04-21/#SECURITY-2203
http://www.openwall.com/lists/oss-security/2021/04/21/2
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.
EUVDB-ID: #VU52494
Risk: Low
CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-21644
CWE-ID:
CWE-352 - Cross-Site Request Forgery (CSRF)
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform cross-site request forgery attacks.
The vulnerability exists due to insufficient validation of the HTTP request origin. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website.
MitigationInstall update from vendor's website.
Vulnerable software versionsConfig File Provider: 1.0 - 3.7.0
External linkshttp://www.jenkins.io/security/advisory/2021-04-21/#SECURITY-2202
http://www.openwall.com/lists/oss-security/2021/04/21/2
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.
EUVDB-ID: #VU52493
Risk: Low
CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-21643
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to gain access to sensitive information on the system.
The vulnerability exists due to the affected plugin does not correctly perform permission checks in several HTTP endpoints. A remote authenticated attacker can enumerate system-scoped credentials IDs of credentials stored in Jenkins
MitigationInstall updates from vendor's website.
Vulnerable software versionsConfig File Provider: 1.0 - 3.7.0
External linkshttp://www.jenkins.io/security/advisory/2021-04-21/#SECURITY-2254
http://www.openwall.com/lists/oss-security/2021/04/21/2
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.