XML external entity injection in eCNS280
Priority LOW 25CWE-611Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
There is an XXE injection vulnerability in eCNS280 V100R005C00 and V100R005C10. A module does not perform the strict operation to the input XML message. Attacker can send specific message to exploit this vulnerability, leading to the module denial of service.
Why it matters now
EPSS 0.00631 50th 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 |
|---|---|---|---|---|---|
| — | eCNS280 | V100R005C00,V100R005C10 | — | No fix listed | CNA |
- eCNS280 Vendor— Affected V100R005C00,V100R005C10 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-22338
- 2026-10-03 Alias added: GHSA-9ph9-qc4h-6c7p
- 2026-10-27 EPSS moved to the 50th–90th percentile
References
More Huawei Ecns280 Firmware vulnerabilities
- TI-2021-05268 There is a denial of service (DoS) vulnerability in eCNS280 versions V100R005C00… CVSS 3.1HIGH 7.5
- TI-2021-05334 There is an improper authorization vulnerability in eCNS280 V100R005C00, V100R005C10 and… CVSS 3.1HIGH 7.8
Sources
- CVE-2021-22338 · CVE Program
- CVE-2021-22338 · NVD
- FIRST EPSS
- GHSA-9ph9-qc4h-6c7p · GitHub Advisory Database · CC BY 4.0
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