Auth bypass in Opservices Opmon

CVE-2020-7954

An issue was discovered in OpServices OpMon 9.3.2. Starting from the apache user account, it is possible to perform privilege escalation through the lack of correct configuration in the server's sudoers file, which by default allows the execution of programs (e.g. nmap) without the need for a password with sudo.

Vulnerability class: Broken Authentication

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.004 (29.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 29.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-7954: held from 0.004 to 0.004.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-7954?
CVE-2020-7954 is a high-severity vulnerability in Opservices Opmon, classified under Missing Authentication for Critical Function. CVSS score: 7.8/10. Published 2020-02-06.
How severe is CVE-2020-7954?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2020-7954 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.