Home/CVE/In ConnectWise Control through 22.9.10032 (formerly known as ScreenConnect), after an executable file is signed, additio
CVE

CVE-2023-25718

In ConnectWise Control through 22.9.10032 (formerly known as ScreenConnect), after an executable file is signed, additio

In ConnectWise Control through 22.9.10032 (formerly known as ScreenConnect), after an executable file is signed, additional instructions can be added without invalidating the signature, such as instructions that result in offering the end user a (different) attacker-controlled executable file. It is plausible that the end user may allow the download and execution of this file to proceed. There are ConnectWise Control configuration options that add mitigations.

CRITICAL · CVSS 9.8 EPSS 0.00405
Schedule remediation
  • SSVC automatable: yes - attacks can be scripted at scale
  • CVSS base score ≥ 7.0
Sigma rules4 YARA rules0
⬡

Weakness Classification

CWE-347Improper Verification of Cryptographic Signature
▤

Affected Products & Versions

1
connectwise control<= 22.9.10032
◈

Sigma Hunt Rules

4
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
producthighSuspicious Control Panel DLL Load
producthighControl Panel Items
producthighSystem Control Panel Item Loaded From Uncommon Location
producthighEnabled User Right in AD to Control User Objects
▣

Scoring & Timeline

9.8
CRITICAL · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD13 Feb 2023 · 08:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
yes
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://cybir.com/2022/cve/connectwise-control-dns-spoofing-poc/Not Applicable
https://m.youtube.com/watch?v=fbNVUgmstSc&pp=0gcJCf0Ao7VqN5tD
https://www.connectwise.com/blog/cybersecurity/the-importance-of-responsible-security-disclosures
https://www.connectwise.comProduct
https://www.huntress.com/blog/clearing-the-air-overblown-claims-of-vulnerabilities-exploits-severity
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