CVE-2023-43901

Name: CVE-2023-43901
Creator: NVD / NIST
Published: 2023-11-14T05:15:08.767+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.9/10EPSS 0.46%

Last modified Jun 17, 2026

CVE-2023-43901 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. Incorrect access control in the AdHoc User creation form of EMSigner v2.8.7 allows unauthenticated attackers to arbitrarily modify usernames and privileges by using the email address of a registered user.. EPSS estimates a 0.46% chance of exploitation in the next 30 days.

Description

Incorrect access control in the AdHoc User creation form of EMSigner v2.8.7 allows unauthenticated attackers to arbitrarily modify usernames and privileges by using the email address of a registered user.

Metrics

CVSS 3.1

5.9/10

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

EPSS Probability

0.46%

36.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-284

Affected Software

Vendor	Product	Versions
Emsigner	Emsigner	2.8.7

References

https://secpro.llc/EMSigner-CVE-1/Exploit, Third Party Advisory
https://secpro.llc/EMSigner-CVE-1/Exploit, Third Party Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2023-43901?

How severe is CVE-2023-43901?

CVE-2023-43901 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 0.46% probability of exploitation in the next 30 days.

How do I fix CVE-2023-43901?

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-2023-43901?

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

Scan your code now

Source: NVD / NIST