Vulnerability Details : CVE-2021-45966
An issue was discovered in Pascom Cloud Phone System before 7.20.x. In the management REST API, /services/apply in exd.pl allows remote attackers to execute arbitrary code via shell metacharacters.
Vulnerability category: Execute code
Products affected by CVE-2021-45966
- cpe:2.3:a:pascom:cloud_phone_system:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-45966
2.11%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 89 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-45966
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
10.0
|
HIGH | AV:N/AC:L/Au:N/C:C/I:C/A:C |
10.0
|
10.0
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2021-45966
-
The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-45966
-
https://tutorialboy24.blogspot.com/2022/03/the-story-of-3-bugs-that-lead-to.html
The Story of 3 bugs that lead to Unauthorized RCE - Pascom Systems - Tutorial BoyExploit;Third Party Advisory
-
https://kerbit.io/research/read/blog/4
Pascom: The story of 3 bugs that lead to unauthed RCE. - Blog - KerbitExploit;Third Party Advisory
-
https://www.pascom.net/doc/en/release-notes/
Support & Release NotesRelease Notes;Vendor Advisory
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