Security readout for executives and security teams
Plain-English summary
This issue affects ConnectWise Control, formerly ScreenConnect, before version 22.9.10032. A maliciously crafted download parameter could alter data placed into a downloaded client executable, creating risk of code injection, malicious queries, or denial of service when a user interacts with the executable.
Executive priority
Treat as a high-priority remediation item if ConnectWise Control is in use. The issue can affect confidentiality, integrity, and availability, but the bundle does not prove active exploitation. Prioritize inventory, version confirmation, and vendor-guided updates.
Technical view
The CVE describes improper validation of user-supplied parameters, including the h parameter for Bin/ConnectWiseControl.Client.exe. The flaw can reflect attacker-controlled data into a downloaded executable. CVSS 3.1 is 8.8 with network access, low complexity, no privileges, and required user interaction.
Likely exposure
Exposure is most likely for organizations running ConnectWise Control or ScreenConnect versions earlier than 22.9.10032, particularly where users can download client executables from affected instances. The provided affected-product metadata is incomplete, so confirm exact deployment status with ConnectWise guidance.
Exploitation context
The source bundle does not show CISA KEV listing or confirmed active exploitation. Public references discuss the issue, but the provided evidence supports vulnerability existence and impact, not current exploitation in the wild.
Researcher notes
The CVE scope is limited to parameter validation and reflected data in downloaded executables. The record explicitly excludes a separate signed-executable configuration issue. Product metadata in the bundle is sparse, so avoid broad claims beyond ConnectWise Control before 22.9.10032.
Mitigation direction
- Identify all ConnectWise Control or ScreenConnect deployments and record their versions.
- Upgrade affected deployments away from versions before 22.9.10032.
- Review ConnectWise advisory guidance for supported remediation details.
- Restrict unnecessary public access to management interfaces where operationally possible.
- Monitor vendor and threat-intelligence updates for exploitation evidence.
Validation and detection
- Confirm whether any instance reports a version earlier than 22.9.10032.
- Review web and download paths that generate ConnectWise Control client executables.
- Check logs for unusual client download activity around exposed instances.
- Verify remediation against ConnectWise documentation after updating.
- Document whether affected instances are internet-facing or internal-only.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-74: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCVE-2023-25719 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 8.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H2.85.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
8.8HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://cybir.com/2022/cve/hijacking-connectwise-control-and-ddos/CVE reference
- https://www.connectwise.com/blog/cybersecurity/the-importance-of-responsible-security-disclosuresCVE reference
- https://m.youtube.com/watch?v=fbNVUgmstSc&pp=0gcJCf0Ao7VqN5tDCVE reference
- https://www.connectwise.com/CVE reference · x_transferred
- https://www.huntress.com/blog/clearing-the-air-overblown-claims-of-vulnerabilities-exploits-severityCVE reference · x_transferred
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.