CVE-2023-3374

Name: CVE-2023-3374
Creator: NVD / NIST
Published: 2023-09-05T17:15:09.4+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.58%

Last modified Jun 17, 2026

CVE-2023-3374 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Incomplete List of Disallowed Inputs vulnerability in Unisign Bookreen allows Privilege Escalation. This issue affects Bookreen: before 3.0.0.. EPSS estimates a 0.58% chance of exploitation in the next 30 days.

Description

Incomplete List of Disallowed Inputs vulnerability in Unisign Bookreen allows Privilege Escalation. This issue affects Bookreen: before 3.0.0.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.58%

43.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-184

Affected Software

Vendor	Product	Versions
Bookreen	Bookreen	< 3.0.0

References

https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-23-0489
https://www.usom.gov.tr/bildirim/tr-23-0489Third Party Advisory
https://www.usom.gov.tr/bildirim/tr-23-0489Third Party Advisory

Timeline

Published: Sep 5, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-3374?

Incomplete List of Disallowed Inputs vulnerability in Unisign Bookreen allows Privilege Escalation. This issue affects Bookreen: before 3.0.0.

How severe is CVE-2023-3374?

CVE-2023-3374 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.58% probability of exploitation in the next 30 days.

How do I fix CVE-2023-3374?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-3374?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST