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TI-2021-05312 Aliases CVE-2021-22338GHSA-9ph9-qc4h-6c7p

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

VendorProductAffected versionsFixed inStatusSource
—eCNS280V100R005C00,V100R005C10—No fix listedCNA
  • eCNS280 Vendor— Affected V100R005C00,V100R005C10 Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:o:huawei:ecns280_firmware:v100r005c00:*:*:*:*:*:*:*v100r005c00VulnerableHuawei
cpe:2.3:o:huawei:ecns280_firmware:v100r005c10:*:*:*:*:*:*:*v100r005c10VulnerableHuawei
cpe:2.3:h:huawei:ecns280:-:*:*:*:*:*:*:*not specified by NVDRunning onHuawei
  • cpe:2.3:o:huawei:ecns280_firmware:v100r005c00:*:*:*:*:*:*:* Versions v100r005c00 Vulnerable ·Huawei
  • cpe:2.3:o:huawei:ecns280_firmware:v100r005c10:*:*:*:*:*:*:* Versions v100r005c10 Vulnerable ·Huawei
  • cpe:2.3:h:huawei:ecns280:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Huawei

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-22338
  2. 2026-10-03 Alias added: GHSA-9ph9-qc4h-6c7p
  3. 2026-10-27 EPSS moved to the 50th–90th percentile

References

  • 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