CVE-2025-4876: Hardcoded Key Revealed in ConnectWise Password Encryption Utility
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.
Classification
CVE ID: CVE-2025-4876
CVSS Base Severity: MEDIUM
CVSS Base Score: 6.0
CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
Problem Types
CWE-798 Use of Hard-coded CredentialsAffected Products
Vendor: ConnectWise
Product: Risk Assessment
Exploit Prediction Scoring System (EPSS)
EPSS Score: 0.01% (probability of being exploited)
EPSS Percentile: 0.5% (scored less or equal to compared to others)
EPSS Date: 2025-06-17 (when was this score calculated)
Stakeholder-Specific Vulnerability Categorization (SSVC)
SSVC Exploitation: none
SSVC Technical Impact: partial
SSVC Automatable: false
References
https://nvd.nist.gov/vuln/detail/CVE-2025-4876https://github.com/packetlabs/vulnerability-advisory/blob/main/Disclosures/PL-2025-11315/README.md