Multiple vulnerabilities in VMware vCenter Server
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 2 |
| CVE-ID | CVE-2021-21980 CVE-2021-22049 |
| CWE-ID | CWE-22 CWE-918 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
vCenter Server Server applications / Virtualization software |
| Vendor | VMware, Inc |
Security Bulletin
This security bulletin contains information about 2 vulnerabilities.
1) Path traversal
EUVDB-ID: #VU58329
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-21980
CWE-ID:
CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences. A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.
MitigationInstall update from vendor's website.
Vulnerable software versionsvCenter Server: 6.5 - 6.7.0d
External linkshttp://www.vmware.com/security/advisories/VMSA-2021-0027.html
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.
2) Server-Side Request Forgery (SSRF)
EUVDB-ID: #VU58330
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-22049
CWE-ID:
CWE-918 - Server-Side Request Forgery (SSRF)
Exploit availability: No
DescriptionThe disclosed vulnerability allows a remote attacker to perform SSRF attacks.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can send a specially crafted HTTP request and trick the application to initiate requests to arbitrary systems.
Successful exploitation of this vulnerability may allow a remote attacker gain access to sensitive data, located in the local network or send malicious requests to other servers from the vulnerable system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsvCenter Server: 6.5 - 6.7.0d
External linkshttp://www.vmware.com/security/advisories/VMSA-2021-0027.html
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.
