RCE in Pascom Cloud Phone System
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 class: Command Injection (OS Command Injection)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.060 (93.1th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.060 · newest: 0.060 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.pascom.net/doc/en/release-notes/ (Release Notes, Vendor Advisory)
- kerbit.io/research/read/blog/4 (Exploit, Third Party Advisory)
- tutorialboy24.blogspot.com/2022/03/the-story-of-3-bugs-that-lead-to.html (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-45966?
- CVE-2021-45966 is a critical-severity vulnerability in Pascom Cloud Phone System, classified under OS Command Injection. CVSS score: 9.8/10. Published 2022-03-18.
- How severe is CVE-2021-45966?
- Critical severity. CVSS v3 base score is 9.8 out of 10.