CVE-2025-4876

Name: CVE-2025-4876
Creator: NVD / NIST
Published: 2025-05-19T16:15:35.107+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.4/10EPSS 0.09%

Last modified Jun 17, 2026

CVE-2025-4876 is a medium-severity vulnerability rated 4.4/10 on the CVSS scale. ConnectWise-Password-Encryption-Utility.exe in ConnectWise Risk Assessment allows an attacker to extract a hardcoded AES decryption key via reverse engineering. This key is embedded in plaintext within the binary and used in cryptographic operations without dynamic key management. EPSS estimates a 0.09% chance of exploitation in the next 30 days.

Description

ConnectWise-Password-Encryption-Utility.exe in ConnectWise Risk Assessment allows an attacker to extract a hardcoded AES decryption key via reverse engineering. This key is embedded in plaintext within the binary and used in cryptographic operations without dynamic key management. Once obtained the key can be used to decrypt CSV input files used for authenticated network scanning.

Metrics

CVSS 3.1

4.4/10

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

EPSS Probability

0.09%

0.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-321

Affected Software

Vendor	Product	Versions
Connectwise	Risk Assessment	< 2023-07-01

References

https://github.com/packetlabs/vulnerability-advisory/blob/main/Disclosures/PL-2025-11315/README.mdThird Party Advisory

Timeline

Published: May 19, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-4876?

How severe is CVE-2025-4876?

CVE-2025-4876 has a CVSS score of 4.4/10 (MEDIUM severity). The EPSS model estimates a 0.09% probability of exploitation in the next 30 days.

How do I fix CVE-2025-4876?

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-2025-4876?

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

Scan your code now

Source: NVD / NIST