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TI-2022-14983 Aliases CVE-2022-33991GHSA-hmww-ghfh-8m88

dproxy-nexgen (aka dproxy nexgen) forwards and caches DNS queries with the CD (aka…

Priority LOW 26CWE-290Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-290.

Summary

dproxy-nexgen (aka dproxy nexgen) forwards and caches DNS queries with the CD (aka checking disabled) bit set to 1. This leads to disabling of DNSSEC protection provided by upstream resolvers.

Why it matters now

EPSS 0.00992 62nd percentileScored 2026-11-07
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:dproxy-nexgen_project:dproxy-nexgen:-:*:*:*:*:*:*:*not specified by NVDVulnerableDproxy-nexgen Project
  • cpe:2.3:a:dproxy-nexgen_project:dproxy-nexgen:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Dproxy-nexgen Project

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-33991
  2. 2026-10-03 Alias added: GHSA-hmww-ghfh-8m88

References

  • TI-2022-14982 Misinterpretation of special domain name characters in dproxy-nexgen (aka dproxy nexgen)… CVSS 3.1HIGH 7.5
  • TI-2022-14980 dproxy-nexgen (aka dproxy nexgen) re-uses the DNS transaction id (TXID) value from client… CVSS 3.1HIGH 7.5
  • TI-2022-14981 dproxy-nexgen (aka dproxy nexgen) uses a static UDP source port (selected randomly only… CVSS 3.1MEDIUM 5.3

Sources