CVE-2022-24986 json
KDE KCron through 21.12.2 uses a temporary file in /tmp when saving, but reuses the filename during an editing session.
published 2022-02-26 4 y ago modified 2026-06-17 4 mo ago also EUVD-2022-29734
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 16%
- public exploits
- 0
- none known
Summary
KDE KCron through 21.12.2 uses a temporary file in /tmp when saving, but reuses the filename during an editing session. Thus, someone watching it be created the first time could potentially intercept the file the following time, enabling that person to run unauthorized commands.
Patch / fix
- kcron Debian 14, Debian 13, Debian 12 4:21.12.3-1
debian advisories DEBIAN-CVE-2022-24986
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-2022-24986 updated cvss 4.0
kcron: Invalid temporary file handling
-
Red Hat All currently supported Red Hat productsnot 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
Exploit prediction
0.25% chance of exploitation in the next 30 days, higher than 16% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 4.6 | AV:L/AC:L/Au:N/C:P/I:P/A:P |
Classification
References
-
apps.kde.org
/kcron/
product
-
openwall.com
/lists/oss-security/2022/02/25/3
mailing-list, third-party-advisory
Sources
- CVE List CVE-2022-24986
- NVD CVE-2022-24986
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.