Privilege escalation in N/a

CVE-2025-50691

MCSManager 10.5.3 daemon process runs as a root account by default, and its sensitive data (including tokens and terminal content) is stored in the data directory, readable by all users. Other users on the system can read the daemon's key and use it to log in, leading to privilege escalation.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (14.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 14.4% 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-2025-50691: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-50691?
CVE-2025-50691 is a medium-severity vulnerability in N/a, classified under Incorrect Privilege Assignment. CVSS score: 5.3/10. Published 2025-08-22.
How severe is CVE-2025-50691?
Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2025-50691 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.