What’s Vulnerable › Vulnerabilities

CVE-2022-33988

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-08-15 · updated 2026-06-17
• Weakness: CWE-444

Description

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.

Affected products

• Dproxy-Nexgen Project Dproxy-Nexgen: all versions

References

• https://sourceforge.net/projects/dproxy/
• https://www.openwall.com/lists/oss-security/2022/08/14/3
• https://www.usenix.org/conference/usenixsecurity22/presentation/jeitner
• https://sourceforge.net/projects/dproxy/
• https://www.openwall.com/lists/oss-security/2022/08/14/3
• https://www.usenix.org/conference/usenixsecurity22/presentation/jeitner

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