What is CVE-2022-0273?

CVE-2022-0273 is a medium-severity vulnerability in Janeczku Calibre-Web, classified under Improper Access Control. CVSS score: 6.5/10. Published 2022-01-30.

How severe is CVE-2022-0273?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2022-0273 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Janeczku Calibre-Web

CVE-2022-0273

Improper Access Control in Pypi calibreweb prior to 0.6.16.

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

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.007 (50.0th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 50.0% 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

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

Weakness classification (CWE)

Public proof-of-concept exploits

References

huntr.dev/bounties/8f27686f-d698-4ab6-8ef0-899125792f13 (Exploit, Patch, Third Party Advisory, Issue Tracking)
github.com/janeczku/calibre-web/commit/0c0313f375bed7b035c8c0482bbb09599e16bfcf (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-0273?: CVE-2022-0273 is a medium-severity vulnerability in Janeczku Calibre-Web, classified under Improper Access Control. CVSS score: 6.5/10. Published 2022-01-30.
How severe is CVE-2022-0273?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2022-0273 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.