CVE-2020-24697

mediumpriority · track · 32EPSS 0.044 · 91 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

4.41% (91st) EPSS

CVSS 4.3 · medium

Is it mine?

11 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

An issue was discovered in PowerDNS Authoritative through 4.3.0 when --enable-experimental-gss-tsig is used. A remote, unauthenticated attacker can cause a denial of service by sending crafted queries with a GSS-TSIG signature.

cvss

Technical severity, 0–10. One row per scoring source.

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 4.3–7.5

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USLLM-inferredCWE-400USLLM-inferred

affected products (11)

Products and version ranges known to be affected.

Gentoo Linuxall versionscert_bundDEcpe:/o:gentoo:linux:-
Open Source PowerDNS <4.1.14all versionscert_bundDE
Open Source PowerDNS <4.2.3all versionscert_bundDE
Open Source PowerDNS <4.3.1all versionscert_bundDE
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
Open Source PowerDNS< 4.1.14cert_bundDE
Open Source PowerDNS< 4.2.3cert_bundDE
Open Source PowerDNS< 4.3.1cert_bundDE
n/a n/a≤ n/aenisa_euvdEU
powerdns authoritative≤ 4.3.0nvdUScpe:2.3:a:powerdns:authoritative:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-0058PowerDNS: Mehrere SchwachstellenDeutsch2020-09-22csaf · cert_bundDE
Ein entfernter, authentisierter oder anonymer Angreifer kann mehrere Schwachstellen in PowerDNS ausnutzen, um Informationen offenzulegen, einen Denial of Service zu verursachen oder potenziell beliebigen Code zur Ausführung zu bringen.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund nvd NVD CVE.org MITRE

published 2020-10-02modified 2026-06-17

references (5)

External citations — patches, advisories, analysis.

scry

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