CVE-2023-43902

Name: CVE-2023-43902
Creator: NVD / NIST
Published: 2023-11-14T05:15:08.833+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.86%

Last modified Jun 17, 2026

CVE-2023-43902 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Incorrect access control in the Forgot Your Password function of EMSigner v2.8.7 allows unauthenticated attackers to access accounts of all registered users, including those with administrator privileges via a crafted password reset token.. EPSS estimates a 0.86% chance of exploitation in the next 30 days.

Description

Incorrect access control in the Forgot Your Password function of EMSigner v2.8.7 allows unauthenticated attackers to access accounts of all registered users, including those with administrator privileges via a crafted password reset token.

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

0.86%

53.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-276

Affected Software

Vendor	Product	Versions
Emsigner	Emsigner	2.8.7

References

https://secpro.llc/emsigner-cve-2/Exploit, Third Party Advisory
https://secpro.llc/emsigner-cve-2/Exploit, Third Party Advisory

Timeline

Published: Nov 14, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-43902?

How severe is CVE-2023-43902?

CVE-2023-43902 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.86% probability of exploitation in the next 30 days.

How do I fix CVE-2023-43902?

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-2023-43902?

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

Scan your code now

Source: NVD / NIST