What is CVE-2021-44512?

CVE-2021-44512 is a high-severity vulnerability in Tmate Tmate-Ssh-Server, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 7.0/10. Published 2021-12-07.

How severe is CVE-2021-44512?

High severity. CVSS v3 base score is 7.0 out of 10.

Vulnerability in Tmate Tmate-Ssh-Server

CVE-2021-44512

World-writable permissions on the /tmp/tmate/sessions directory in tmate-ssh-server 2.3.0 allow a local attacker to compromise the integrity of session handling, or obtain the read-write session ID from a read-only session symlink in this directory.

EPSS: 0.003 (16.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Tmate Tmate-ssh-server
N/a — versions n/a

Weakness classification (CWE)

CWE-732 — Incorrect Permission Assignment for Critical Resource

References

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

Frequently asked questions

What is CVE-2021-44512?: CVE-2021-44512 is a high-severity vulnerability in Tmate Tmate-Ssh-Server, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 7.0/10. Published 2021-12-07.
How severe is CVE-2021-44512?: High severity. CVSS v3 base score is 7.0 out of 10.