What’s Vulnerable › Vulnerabilities

CVE-2020-24698

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-10-02 · updated 2026-06-17
• Weakness: CWE-415

Description

An issue was discovered in PowerDNS Authoritative through 4.3.0 when --enable-experimental-gss-tsig is used. A remote, unauthenticated attacker might be able to cause a double-free, leading to a crash or possibly arbitrary code execution. by sending crafted queries with a GSS-TSIG signature.

Affected products

• PowerDNS Authoritative: through 4.3.0

References

• https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2020-06.html
• https://doc.powerdns.com/authoritative/security-advisories/powerdns-advisory-2020-06.html

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