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Fencer Vulns
low 3.3

CVE-2020-24654 json

In KDE Ark before 20.08.1, a crafted TAR archive with symlinks can install files outside the extraction directory, as demonstrated by a wri…

published 2020-09-02 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-17369

cvss
3.3
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 74%
public exploits
0
none known

Summary

In KDE Ark before 20.08.1, a crafted TAR archive with symlinks can install files outside the extraction directory, as demonstrated by a write operation to a user's home directory.

Patch / fix

  • kde ark 20.08.1
  • ark Debian 14, Debian 13, Debian 12 4:20.08.1-1

debian advisories DEBIAN-CVE-2020-24654

  • ark Ubuntu 16.04 LTS 4:15.12.3-0ubuntu1.2
  • ark Ubuntu 18.04 LTS 4:17.12.3-0ubuntu1.2
  • ark Ubuntu 20.04 LTS 4:19.12.3-0ubuntu1.2

ubuntu advisories UBUNTU-CVE-2020-24654

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • ark openSUSE Tumbleweed 21.08.1-1.2
  • ark Package Hub 15 SP2, Package Hub 15 SP1, openSUSE Leap 15.2 +1 more 20.04.2-bp152.2.6.1

opensuse advisories openSUSE-SU-2024:10632-1openSUSE-SU-2020:1310-1openSUSE-SU-2020:1310-2

  • ark Alpine 3.12 20.04.2-r2
  • ark Alpine 3.24, Alpine 3.23, Alpine 3.22 +9 more 20.08.0-r1

alpine advisories ALPINE-CVE-2020-24654

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • ark Arch Linux 20.08.0-2

arch linux advisories AVG-1216

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-2020-24654 updated cvss 3.3

ark: crafted TAR archive with symlinks can install files outside the extraction directory

  • Red Hat Enterprise Linux 7 ark, ark-libs
    affected: workaround, no fix available “The way to mitigate this flaw is to pay attention to the contents of the archive in ark before extracting, to ensure that there are no improper symlinks, and heed the file overwrite warnings.”

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

1.50% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 3.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-59 Improper Link Resolution Before File Access

References

Sources

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.