Path traversal in IBM WebSphere Application Server ND
Priority MEDIUM 42CWE-22Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
IBM WebSphere Application Server Network Deployment 8.5 and 9.0 could allow a remote authenticated attacker to traverse directories. An attacker could send a specially-crafted URL request containing "dot dot" sequences (/../) to read and delete arbitrary files on the system. IBM X-Force ID: 198435.
Why it matters now
EPSS 0.0186 79th 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 | WebSphere Application Server ND | 8.5; 9.0 | — | No fix listed | CNA |
- WebSphere Application Server ND VendorIBM Affected 8.5; 9.0 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:ibm:websphere_application_server_nd:*:*:*:*:*:*:*:* | 8.5.0.0 to before 8.5.5.20; 9.0.0.0 to before 9.0.5.8 | Vulnerable | IBM |
- cpe:2.3:a:ibm:websphere_application_server_nd:*:*:*:*:*:*:*:* Versions 8.5.0.0 to before 8.5.5.20; 9.0.0.0 to before 9.0.5.8 Vulnerable ·IBM
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-20517
- 2026-10-03 Alias added: GHSA-fppj-frvc-63q2
References
Sources
- CVE-2021-20517 · CVE Program
- CVE-2021-20517 · NVD
- FIRST EPSS
- GHSA-fppj-frvc-63q2 · 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