IBM Sterling Connect:Direct Web Services 1.0 and 6.0 uses weaker than expected…
Priority LOW 34CWE-326Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-326.
Summary
IBM Sterling Connect:Direct Web Services 1.0 and 6.0 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 209508.
Why it matters now
EPSS 0.00687 52nd 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 |
|---|---|---|---|---|---|
| IBM | Connect:Direct Web Services | 6.0; 1.0 | — | No fix listed | CNA |
- Connect:Direct Web Services VendorIBM Affected 6.0; 1.0 Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ibm:sterling_connect\:direct:*:*:*:*:*:*:*:* | direct | 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:microsoft:windows:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:oracle:solaris:-:*:*:*:*:*:-:* | not specified by NVD | Running on | Oracle |
- cpe:2.3:a:ibm:sterling_connect\:direct:*:*:*:*:*:*:*:* Versions direct 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:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- 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-2021-38891
- 2026-10-03 Alias added: GHSA-h8c3-q762-53jh
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-2023-15624 IBM Connect:Express for UNIX denial of service 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-2021-38891 · CVE Program
- CVE-2021-38891 · NVD
- FIRST EPSS
- GHSA-h8c3-q762-53jh · GitHub Advisory Database · CC BY 4.0
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