CVE-2022-45956
Boa
- Published
- 12 December 2022
- Last modified
- 17 June 2026
- CVSS
- 5.3 v3.1
- Severity
- medium
- EPSS
- 0.8% (55th pct)
- CISA KEV
- Not listed
- NVD status
- Modified
- Weaknesses
- CWE-863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Description
Boa Web Server versions 0.94.13 through 0.94.14 fail to validate the correct security constraint on the HEAD HTTP method allowing everyone to bypass the Basic Authorization mechanism.
Exploitation
Not listed in the CISA Known Exploited Vulnerabilities catalogue as of 2026.09.04. That is an absence of confirmed public exploitation, not evidence that exploitation has not occurred. EPSS models a 0.8% probability of exploitation activity in the next 30 days.
Affected products
| Product | Vendor | Type | Versions named |
|---|---|---|---|
| Boa | Boa | unknown | 0.92r, 0.94.13, 0.94.14, 0.94.14.21 +2 |
References
- https://packetstormsecurity.com/files/169962/Boa-Web-Server-0.94.13-0.94.14-Authentication-Bypass.html exploit
- https://packetstormsecurity.com/files/169962/Boa-Web-Server-0.94.13-0.94.14-Authentication-Bypass.html exploit
Record assembled from NVD, CISA KEV 2026.09.04 and FIRST EPSS 2026-09-04. Affected products are those NVD's CPE configuration names that fall inside this site's scope; a CVE may affect products outside it.