KeePassXC 2.7.7 allows an attacker (who has the privileges of the victim) to recover cleartext credentials via a memory dump.

published 2024-05-20 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-31604

cvss: 6.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 28%
public exploits: 0; none known

KeePassXC 2.7.7 allows an attacker (who has the privileges of the victim) to recover cleartext credentials via a memory dump. NOTE: the vendor disputes this because memory-management constraints make this unavoidable in the current design and other realistic designs.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2024-33900 updated 2025-11-21

KeePassXC: attackers can recover cleartext credentials

Red Hat All currently supported Red Hat products
not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 2 y ago (2024-06-06)

Exploit prediction

0.34% chance of exploitation in the next 30 days, higher than 28% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

gist.github.com https://gist.github.com/Fastor01/30c6d89c842feb1865ec2cd2d3806838 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
CNA	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

Affected products

keepassxc keepassxc

Classification

Weakness

CWE-316 Cleartext Storage of Sensitive Information in Memory

References

gist.github.com /Fastor01/30c6d89c842feb1865ec2cd2d3806838
exploit
keepassxc.org /blog/
release-notes
github.com /keepassxreboot/keepassxc/issues/10784
issue-tracking
keepassxc.org /blog/2019-02-21-memory-security/
product

Sources

CVE List CVE-2024-33900
NVD CVE-2024-33900

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary