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

EPSS: 0.004 (31.0th percentile) — read the EPSS interpretation.

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.

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.