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TI-2024-18161 Aliases CVE-2024-27323GHSA-6wrg-cr3c-h2hf

Improper certificate validation in PDF-XChange Editor

Priority LOW 35CWE-295Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
None
Attack complexity
High
Impact type
Spoofing
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-295.

Summary

PDF-XChange Editor Updater Improper Certificate Validation Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of PDF-XChange Editor. User interaction is not required to exploit this vulnerability. The specific flaw exists within the update functionality. The issue results from the lack of proper validation of the certificate presented by the server. An attacker can leverage this vulnerability to execute code in the context of the current user. Was ZDI-CAN-22224.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00332 26th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
PDF-XChangePDF-XChange Editor10.1.1.381—No fix listedCNA
  • PDF-XChange Editor VendorPDF-XChange Affected 10.1.1.381 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:pdf-xchange:pdf-tools:10.1.1.381:*:*:*:*:*:*:*10.1.1.381VulnerablePDF-XChange
cpe:2.3:a:pdf-xchange:pdf-xchange_editor:10.1.1.381:*:*:*:*:*:*:*10.1.1.381VulnerablePDF-XChange
  • cpe:2.3:a:pdf-xchange:pdf-tools:10.1.1.381:*:*:*:*:*:*:* Versions 10.1.1.381 Vulnerable ·PDF-XChange
  • cpe:2.3:a:pdf-xchange:pdf-xchange_editor:10.1.1.381:*:*:*:*:*:*:* Versions 10.1.1.381 Vulnerable ·PDF-XChange

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-27323
  2. 2026-10-03 Alias added: GHSA-6wrg-cr3c-h2hf

References

Advisory 1

  • TI-2023-22476 Use after free in PDF-XChange Editor CVSS 3.1HIGH 7.8
  • TI-2023-22454 Use after free in PDF-XChange Editor CVSS 3.1HIGH 7.8
  • TI-2023-22453 Heap-based buffer overflow in PDF-XChange Editor CVSS 3.1HIGH 7.8
  • TI-2023-22451 Heap-based buffer overflow in PDF-XChange Editor CVSS 3.1HIGH 7.8
  • TI-2023-22445 Heap-based buffer overflow in PDF-XChange Editor CVSS 3.1HIGH 7.8
  • TI-2023-22444 Heap-based buffer overflow in PDF-XChange Editor CVSS 3.1HIGH 7.8
See all 171 →

Sources