Weak Password Requirements in GitHub repository janeczku/calibre-web prior to 0.6.20.
CVE-2023-2106
CRITICALNVD 9.89.8—Elevated
EchelonGraph scoreMEDIUM confidence
This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 0.4%, top 42% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
Triggered by: NVD CVSS baseline
Sources: epss, nvd
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
- High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 9.8Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 9.8
- EG Score
- 9.8(medium)
- EPSS
- 50.3%
- KEV
- Not listed
Published
April 15, 2023
Last Modified
February 6, 2025
Advisory Details (2)
Auto-updated Jun 14, 2026Patch available. Sources: github_commit.
generic
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https://huntr.dev/bounties/c3d5c647-7557-40a9-aee4-24dc14882781github_commit Patch Available
commit 49e4f540c9b2 (janeczku/calibre-web)
Patch available: janeczku/calibre-web 0.6.20 (contains commit 49e4f540c9b2)
https://github.com/janeczku/calibre-web/commit/49e4f540c9b204c7e39b3c27ceadecd83ed60e7eFrequently asked(5)
What is CVE-2023-2106?
CVE-2023-2106 is a critical vulnerability published on April 15, 2023. Weak Password Requirements in GitHub repository janeczku/calibre-web prior to 0.6.20.
When was CVE-2023-2106 disclosed?
CVE-2023-2106 was first published in the National Vulnerability Database on April 15, 2023, with the most recent update on February 6, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-2106 actively exploited?
CVE-2023-2106 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 50.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2023-2106?
CVE-2023-2106 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2023-2106?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-2106, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2023-2106
Is Your Infrastructure Affected by CVE-2023-2106?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.