The TCP/IP networking module in Unisys ClearPath MCP systems with TCP-IP-SW 57.1 before…
Priority LOW 36CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
The TCP/IP networking module in Unisys ClearPath MCP systems with TCP-IP-SW 57.1 before 57.152, 58.1 before 58.142, or 59.1 before 59.172, when running a TLS 1.2 service, allows remote attackers to cause a denial of service (network connectivity disruption) via a client hello with a signature_algorithms extension above those defined in RFC 5246, which triggers a full memory dump.
Why it matters now
EPSS 0.01545 75th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2017-5872
- 2026-10-03 Alias added: GHSA-crg9-j947-rwjm
References
More Unisys Clearpath Mcp vulnerabilities
- TI-2002-02092 The dynamic initialization feature of the ClearPath MCP environment allows remote… CVSS 2.0HIGH 7.8
- TI-2018-04167 The TLS implementation in the TCP/IP networking module in Unisys ClearPath MCP systems… CVSS 3.0MEDIUM 5.9
Sources
- CVE-2017-5872 · CVE Program
- CVE-2017-5872 · NVD
- FIRST EPSS
- GHSA-crg9-j947-rwjm · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences