dproxy-nexgen (aka dproxy nexgen) uses a static UDP source port (selected randomly only…
Priority LOW 26CWE-331Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
dproxy-nexgen (aka dproxy nexgen) uses a static UDP source port (selected randomly only at boot time) in upstream queries sent to DNS resolvers. This allows DNS cache poisoning because there is not enough entropy to prevent traffic injection attacks.
Why it matters now
EPSS 0.01047 64th 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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:dproxy-nexgen_project:dproxy-nexgen:-:*:*:*:*:*:*:* | not specified by NVD | Vulnerable | Dproxy-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
- 2026-10-02 Threatist record created from CVE-2022-33989
- 2026-10-03 Alias added: GHSA-jrgj-6p6v-gf22
References
More Dproxy-nexgen Project Dproxy-nexgen vulnerabilities
- 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-2022-14983 dproxy-nexgen (aka dproxy nexgen) forwards and caches DNS queries with the CD (aka… CVSS 3.1MEDIUM 5.3
Sources
- CVE-2022-33989 · CVE Program
- CVE-2022-33989 · NVD
- FIRST EPSS
- GHSA-jrgj-6p6v-gf22 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences