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TI-2021-09750 Aliases CVE-2021-28684GHSA-f243-hqpc-893w

The XML parser used in ConeXware PowerArchiver before 20.10.02 allows processing of…

Priority LOW 22CWE-611Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-611 and the CVSS impact.

Summary

The XML parser used in ConeXware PowerArchiver before 20.10.02 allows processing of external entities, which might lead to exfiltration of local files over the network (via an XXE attack).

Why it matters now

EPSS 0.00918 60th percentileScored 2026-11-08
Public exploit Yes 1 exploit referenceTagged by NVD
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
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:powerarchiver:powerarchiver:*:*:*:*:*:*:*:*before 20.10.02VulnerablePowerarchiver
  • cpe:2.3:a:powerarchiver:powerarchiver:*:*:*:*:*:*:*:* Versions before 20.10.02 Vulnerable ·Powerarchiver

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-28684
  2. 2026-10-03 Alias added: GHSA-f243-hqpc-893w

References

  • TI-2014-01838 The Encrypt Files feature in ConeXware PowerArchiver before 14.02.05 uses legacy ZIP… CVSS 2.0MEDIUM 5.0

Sources