What is CVE-2022-44216?

CVE-2022-44216 is a high-severity vulnerability in Sir Gnuboard, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2023-02-20.

How severe is CVE-2022-44216?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Sir Gnuboard

CVE-2022-44216

Gnuboard 5.5.4 and 5.5.5 is vulnerable to Insecure Permissions. An attacker can change password of all users without knowing victim's original password.

Vulnerability class: Broken Authentication

Published 2023-02-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.007 (50.1th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 50.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Sir Gnuboard — versions 5.5.4, 5.5.5

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

sir.kr/g5_pds/6400 (Patch, Vendor Advisory)
github.com/gnuboard/gnuboard5/commit/11718eb4c02ffdca5393bedc0300a75e4e7b19f2 (Patch)
gratis-herring-da5.notion.site/Gnuboard-Account-Takeover-version-5-5-4-5-5-5-2f… (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-44216?: CVE-2022-44216 is a high-severity vulnerability in Sir Gnuboard, classified under Missing Authentication for Critical Function. CVSS score: 7.5/10. Published 2023-02-20.
How severe is CVE-2022-44216?: High severity. CVSS v3 base score is 7.5 out of 10.