Vulnerability Details : CVE-2021-1399
A vulnerability in the Self Care Portal of Cisco Unified Communications Manager (Unified CM) and Cisco Unified Communications Manager Session Management Edition (Unified CM SME) could allow an authenticated, remote attacker to modify data on an affected system without proper authorization. The vulnerability is due to insufficient validation of user-supplied data to the Self Care Portal. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected system. A successful exploit could allow the attacker to modify information without proper authorization.
Products affected by CVE-2021-1399
- Cisco » Unified Communications Manager »Versions from including (>=) 10.5\(2\) and before (<) 12.5\(1\)su4cpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:-:*:*:*
- Cisco » Unified Communications Manager » Session Management EditionVersions from including (>=) 10.5\(2\) and before (<) 12.5\(1\)su4cpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:session_management:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-1399
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 30 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-1399
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:N/I:P/A:N |
8.0
|
2.9
|
NIST | |
4.3
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
2.8
|
1.4
|
Cisco Systems, Inc. | |
4.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
2.8
|
1.4
|
NIST |
CWE ids for CVE-2021-1399
-
The authentication scheme or implementation uses key data elements that are assumed to be immutable, but can be controlled or modified by the attacker.Assigned by: ykramarz@cisco.com (Primary)
References for CVE-2021-1399
-
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cucm-selfcare-VRWWWHgE
Cisco Unified Communications Manager Self Care Portal Authorization Bypass VulnerabilityVendor Advisory
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