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TI-2022-14980 Aliases CVE-2022-33988GHSA-xjcj-rmfc-7q3p

dproxy-nexgen (aka dproxy nexgen) re-uses the DNS transaction id (TXID) value from client…

Priority LOW 35CWE-444Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

dproxy-nexgen (aka dproxy nexgen) re-uses the DNS transaction id (TXID) value from client queries, which allows attackers (able to send queries to the resolver) to conduct DNS cache-poisoning attacks because the TXID value is known to the attacker.

Why it matters now

EPSS 0.0123 69th 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-2022-33988
  2. 2026-10-03 Alias added: GHSA-xjcj-rmfc-7q3p

References

  • TI-2022-14982 Misinterpretation of special domain name characters in dproxy-nexgen (aka dproxy nexgen)… CVSS 3.1HIGH 7.5
  • TI-2022-14983 dproxy-nexgen (aka dproxy nexgen) forwards and caches DNS queries with the CD (aka… CVSS 3.1MEDIUM 5.3
  • TI-2022-14981 dproxy-nexgen (aka dproxy nexgen) uses a static UDP source port (selected randomly only… CVSS 3.1MEDIUM 5.3

Sources