Is CVE-2020-24698 in the CISA KEV catalog?

No. CVE-2020-24698 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-24698?

CVE-2020-24698 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2020-24698?

CVE-2020-24698 has an EPSS score of 3.16% (86th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-24698?

Upgrade pdns on debian 11 to 4.4.0-1 or later.

CVE & CISA-KEV Catalog

CVE-2020-24698

CRITICALEPSS 86th pctl

9.8

CVSS v3

NVD

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.

CWE-415

How to fix

Remediation Available

pdnsDebian

Fixed in:4.4.0-1CVE-2020-24698

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

3.16%probability of exploitation in 30 days

86thpercentile

Elevated risk: more likely to be exploited than 86% of all known CVEs.

References

Vendor Advisory1

doc.powerdns.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.