IBM Connect:Express for UNIX denial of service
Priority LOW 34CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
IBM Connect:Express for UNIX 1.5.0 is vulnerable to a buffer overflow that could allow a remote attacker to cause a denial of service through its browser UI. IBM X-Force ID: 254979.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00699 53rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| IBM | Sterling Connect:Express for UNIX | 1.5.0 | — | No fix listed | CNA |
- Sterling Connect:Express for UNIX VendorIBM Affected 1.5.0 Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ibm:sterling_connect\:express_for_unix:1.5.0:*:*:*:*:*:*:* | express_for_unix 1.5.0 | Vulnerable | IBM |
| cpe:2.3:o:ibm:aix:-:*:*:*:*:*:*:* | not specified by NVD | Running on | IBM |
| cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Linux |
| cpe:2.3:o:oracle:solaris:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Oracle |
- cpe:2.3:a:ibm:sterling_connect\:express_for_unix:1.5.0:*:*:*:*:*:*:* Versions express_for_unix 1.5.0 Vulnerable ·IBM
- cpe:2.3:o:ibm:aix:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·IBM
- cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Linux
- cpe:2.3:o:oracle:solaris:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Oracle
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-32331
- 2026-10-03 Alias added: GHSA-3pfw-5ffm-ww42
References
More IBM Sterling Connect vulnerabilities
- TI-2021-16346 Missing brute-force protection in IBM Connect:Direct Web Services CVSS 3.1HIGH 7.5
- TI-2020-04041 Out-of-bounds read in IBM Sterling Connect Direct for Microsoft Windows CVSS 3.1HIGH 7.5
- TI-2023-13665 IBM Sterling Connect:Express for UNIX server-side request forgery CVSS 3.1MEDIUM 6.5
- TI-2025-24718 IBM Sterling Connect:Direct for UNIX command execution CVSS 3.1HIGH 7.2
- TI-2021-16347 IBM Sterling Connect:Direct Web Services 1.0 and 6.0 uses weaker than expected… CVSS 3.1HIGH 7.5
- TI-2020-03903 Out-of-bounds write in IBM Sterling Connect:Direct for UNIX CVSS 3.1HIGH 7.8
Sources
- CVE-2023-32331 · CVE Program
- CVE-2023-32331 · NVD
- FIRST EPSS
- GHSA-3pfw-5ffm-ww42 · 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