Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 3 |
CVE-ID | CVE-2021-22894 CVE-2021-22899 CVE-2021-22900 |
CWE-ID | CWE-119 CWE-78 CWE-434 |
Exploitation vector | Network |
Public exploit |
Vulnerability #1 is being exploited in the wild. Vulnerability #2 is being exploited in the wild. Vulnerability #3 is being exploited in the wild. |
Vulnerable software Subscribe |
Pulse Connect Secure Server applications / Remote access servers, VPN |
Vendor | Pulse Secure |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
EUVDB-ID: #VU52874
Risk: Medium
CVSSv3.1: 8.6 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-22894
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in Pulse Connect Secure Collaboration Suite. A remote user can trigger memory corruption and execute arbitrary code on the target system as the root user via a maliciously crafted meeting room.
Install updates from vendor's website.
Vulnerable software versionsPulse Connect Secure: 9.0R1 - 9.1R11.3
External linkshttp://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44784/p?pubstatus=o
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU52875
Risk: Medium
CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-22899
CWE-ID:
CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Exploit availability: No
DescriptionThe vulnerability allows a remote user to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation. A remote user can send a specially crafted request and execute arbitrary OS commands on the target system via Windows File Resource Profiles.
MitigationInstall updates from vendor's website.
Vulnerable software versionsPulse Connect Secure: 9.0R1 - 9.1R11.3
External linkshttp://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44784/p?pubstatus=o
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
EUVDB-ID: #VU52876
Risk: Low
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-2021-22900
CWE-ID:
CWE-434 - Unrestricted Upload of File with Dangerous Type
Exploit availability: No
DescriptionThe vulnerability allows a remote user to escalate privileges on the system.
The vulnerability exists due to insufficient validation of archives within the file upload feature. A remote authenticated administrator can upload a malicious file and execute it on the server.
MitigationInstall updates from vendor's website.
Vulnerable software versionsPulse Connect Secure: 9.0R1 - 9.1R11.3
External linkshttp://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44784/p?pubstatus=o
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.