What is CVE-2022-0339?

CVE-2022-0339 is a critical-severity vulnerability in Janeczku Calibre-Web, classified under Server-Side Request Forgery (SSRF). CVSS score: 9.8/10. Published 2022-01-30.

How severe is CVE-2022-0339?

Critical severity. CVSS v3 base score is 9.8 out of 10.

SSRF in Janeczku Calibre-Web

CVE-2022-0339

Server-Side Request Forgery (SSRF) in Pypi calibreweb prior to 0.6.16.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published 2022-01-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (60.1th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 60.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Janeczku Calibre-Web
Janeczku Janeczku/calibre-Web — versions unspecified

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

huntr.dev/bounties/499688c4-6ac4-4047-a868-7922c3eab369 (Exploit, Patch, Third Party Advisory, Issue Tracking)
github.com/janeczku/calibre-web/commit/3b216bfa07ec7992eff03e55d61732af6df9bb92 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-0339?: CVE-2022-0339 is a critical-severity vulnerability in Janeczku Calibre-Web, classified under Server-Side Request Forgery (SSRF). CVSS score: 9.8/10. Published 2022-01-30.
How severe is CVE-2022-0339?: Critical severity. CVSS v3 base score is 9.8 out of 10.