Ping Identity PingAccess before 5.3.3 allows HTTP request smuggling via header manipulation.
Priority LOW 25CWE-444Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
Ping Identity PingAccess before 5.3.3 allows HTTP request smuggling via header manipulation.
Why it matters now
EPSS 0.00708 53rd 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 |
|---|---|---|---|---|---|
| Ping Identity | PingAccess | 5.3 | — | No fix listed | CNA |
- PingAccess VendorPing Identity Affected 5.3 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:pingidentity:pingaccess:*:*:*:*:*:*:*:* | before 5.3.3 | Vulnerable | Ping Identity |
- cpe:2.3:a:pingidentity:pingaccess:*:*:*:*:*:*:*:* Versions before 5.3.3 Vulnerable ·Ping Identity
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-31923
- 2026-10-03 Alias added: GHSA-ph7p-h447-h4q6
Sources
- CVE-2021-31923 · CVE Program
- CVE-2021-31923 · NVD
- FIRST EPSS
- GHSA-ph7p-h447-h4q6 · GitHub Advisory Database · CC BY 4.0
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