Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-1399 |
CWE-ID | CWE-284 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software |
Unified Communications Manager (CallManager) Server applications / Remote management servers, RDP, SSH Cisco Unified Communications Manager Session Management Edition Server applications / Remote management servers, RDP, SSH |
Vendor | Cisco Systems, Inc |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU51967
Risk: Low
CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID: CVE-2021-1399
CWE-ID:
CWE-284 - Improper Access Control
Exploit availability: No
DescriptionThe vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.
The vulnerability exists due to improper access restrictions in the Self Care Portal. A remote authenticated user can bypass implemented security restrictions and modify data on an affected system without proper authorization.
MitigationInstall updates from vendor's website.
Vulnerable software versionsUnified Communications Manager (CallManager): before 12.5.1 SU4
Cisco Unified Communications Manager Session Management Edition: before 12.5.1 SU4
CPE2.3https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cucm-selfcare-VRWWWHgE
https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvw88205
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.