Improper input validation in 3scale/backend
Priority LOW 31CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.
Summary
A flaw was found in Red Hat 3scale API Management Platform 2. The 3scale backend does not perform preventive handling on user-requested date ranges in certain queries allowing a malicious authenticated user to submit a request with a sufficiently large date range to eventually yield an internal server error resulting in denial of service. The highest threat from this vulnerability is to system availability.
Why it matters now
EPSS 0.00972 62nd 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 |
|---|---|---|---|---|---|
| — | 3scale/backend | As shipped by Red Hat 3scale API Management Platform 2 | — | No fix listed | CNA |
- 3scale/backend Vendor— Affected As shipped by Red Hat 3scale API Management Platform 2 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat 3scale API Management Platform 2 | Affected | No fix yet |
Timeline
- 2026-10-02 Threatist record created from CVE-2021-20252
- 2026-10-03 Alias added: GHSA-qjp3-fvjv-f8w7
References
More Red Hat 3scale Api Management vulnerabilities
- TI-2026-34281 JavaScript Cookie: Per-instance prototype hijack in assign() enables cookie-attribute injection CVSS 3.1HIGH 7.5
- TI-2023-04521 3scale-admin-portal: logged out users tokens can be accessed CVSS 3.1MEDIUM 5.5
- TI-2022-01295 Improper input validation in 3scale-amp-system CVSS 3.1HIGH 8.8
- TI-2024-09540 Incorrect authorization in gateway CVSS 3.1HIGH 7.5
- TI-2021-02598 Missing authorization in KVM CVSS 3.1HIGH 8.8
- TI-2019-07536 In ghostscript before version 9.50, the .buildfont1 procedure did not properly secure its… CVSS 3.1HIGH 7.8
Sources
- CVE-2021-20252 · CVE Program
- CVE-2021-20252 · NVD
- FIRST EPSS
- GHSA-qjp3-fvjv-f8w7 · GitHub Advisory Database · CC BY 4.0
- CVE-2021-20252 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences