Vulnerability in Umask Project

CVE-2021-31155

Failure to normalize the umask in please before 0.4 allows a local attacker to gain full root privileges if they are allowed to execute at least one command.

EPSS: 0.004 (33.4th 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

  • cve@mitre.org (Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (Exploit, Mailing List, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-31155?
CVE-2021-31155 is a high-severity vulnerability in Umask Project, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 7.8/10. Published 2021-05-27.
How severe is CVE-2021-31155?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2021-31155 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.