What is CVE-2020-24972?

CVE-2020-24972 is a high-severity vulnerability in Kleopatra Project, classified under Improper Encoding or Escaping of Output. CVSS score: 8.8/10. Published 2020-08-29.

How severe is CVE-2020-24972?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2020-24972 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Kleopatra Project

CVE-2020-24972

The Kleopatra component before 3.1.12 (and before 20.07.80) for GnuPG allows remote attackers to execute arbitrary code because openpgp4fpr: URLs are supported without safe handling of command-line options. The Qt platformpluginpath command-line option can be used to load an arbitrary DLL.

Published 2020-08-29 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.048 (91.6th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.048 · newest: 0.048 · change: 0.000

Affected products

Kleopatra Project
Fedoraproject Fedora — versions 32
openSUSE Backports Sle — versions 15.0
openSUSE Leap — versions 15.1

Weakness classification (CWE)

CWE-116 — Improper Encoding or Escaping of Output

Public proof-of-concept exploits

SpiralBL0CK/CVE-2020-24972

References

dev.gnupg.org/rKLEOPATRAb4bd63c1739900d94c04da03045e9445a5a5f54b (Patch, Vendor Advisory)
dev.gnupg.org/source/kleo/browse/master/CMakeLists.txt (Exploit, Vendor Advisory)
security.gentoo.org/glsa/202008-21 (vendor-advisory, Third Party Advisory)
lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
lists.opensuse.org/opensuse-security-announce/2020-10/msg00053.html (vendor-advisory, Mailing List, Third Party Advisory, Broken Link)
lists.opensuse.org/opensuse-security-announce/2020-10/msg00064.html (vendor-advisory, Mailing List, Third Party Advisory, Broken Link)

Frequently asked questions

What is CVE-2020-24972?: CVE-2020-24972 is a high-severity vulnerability in Kleopatra Project, classified under Improper Encoding or Escaping of Output. CVSS score: 8.8/10. Published 2020-08-29.
How severe is CVE-2020-24972?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2020-24972 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.