CVE-2025-4876 json
Hardcoded Key Revealed in ConnectWise Password Encryption Utility
published 2025-05-19 17 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-15721
- cvss
- 6.0
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.1%
- EPSS 0.1% chance of exploitation in 30 days, percentile 1%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- connectwise risk_assessment 2023-07-01
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 17 mo ago
Exploit prediction
0.11% chance of exploitation in the next 30 days, higher than 1% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.0 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N |
| NVD | 3.1 | 4.4 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N |
Affected products
- ConnectWise Risk Assessment
Classification
- Weakness
-
- CWE-321 Use of Hard-coded Cryptographic Key
References
Sources
- CVE List CVE-2025-4876
- NVD CVE-2025-4876
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.