CVE-2023-3374

CRITICALNVD 9.89.8—

9.8

Incomplete List of Disallowed Inputs vulnerability in Unisign Bookreen allows Privilege Escalation.

This issue affects Bookreen: before 3.0.0.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 31.0%
KEV: Not listed

Published

September 5, 2023

Last Modified

May 22, 2026

Advisory Details (1)

Auto-updated May 22, 2026

No patch confirmed yet.

generic

T.C. Siber Güvenlik Başkanlığı

https://www.usom.gov.tr/bildirim/tr-23-0489

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-184Incomplete List of Disallowed Inputs

Data Freshness Timeline

(refreshed 12× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-22 21:16 UTCepss_batch

Frequently asked(5)

What is CVE-2023-3374?

CVE-2023-3374 is a critical vulnerability published on September 5, 2023. Incomplete List of Disallowed Inputs vulnerability in Unisign Bookreen allows Privilege Escalation. This issue affects Bookreen: before 3.0.0.

When was CVE-2023-3374 disclosed?

CVE-2023-3374 was first published in the National Vulnerability Database on September 5, 2023, with the most recent update on May 22, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-3374 actively exploited?

CVE-2023-3374 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 31.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-3374?

CVE-2023-3374 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2023-3374?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-3374, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2023-3374

Explore →

Is Your Infrastructure Affected by CVE-2023-3374?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2023-3374

📅 Published

🔄 Last Modified

📋 Advisory Details (1)

T.C. Siber Güvenlik Başkanlığı

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-3374?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

Advisory Details (1)

Frequently asked(5)

Related CVEs(same CWE)