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Vulnerability Intelligence

CVE-2022-30333

HighExploitedPublic exploit

RARLAB UnRAR before 6.12 on Linux and UNIX allows directory traversal to write to files during an extract (aka unpack) operation, as demonstrated by creating a ~/.ssh/authorized_keys file.

Published May 9, 2022 · Updated Oct 2, 2026 · Also known as DEBIAN-CVE-2022-30333, DLA-3534-1, SUSE-SU-2022:1760-1, UBUNTU-CVE-2022-30333, USN-6569-1

Key Facts

Patch immediately
  • CVE-2022-30333 is a high-severity vulnerability (CVSS 7.5 v3.1) affecting Unrar (Rarlab), Debian Linux, rar (debian) and 4 more products.
  • It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Aug 9, 2022 and is known to be used in ransomware campaigns. Public exploit code is available.
  • EPSS estimates a 99% probability of exploitation in the next 30 days.
  • Fixed versions are available, including libclamunrar 0.103.11-0ubuntu0.20.04.1, libclamunrar 0.103.11-0ubuntu0.22.04.1, libunrar-devel 5.6.1-4.8.1.
  • Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v3.1

7.5

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS (30-day exploit likelihood)

99%

Higher than 99.9% of all scored CVEs

Exploited in the wild

Yes

4 catalog listings, used by ransomware

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2022-30333 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

Description

RARLAB UnRAR before 6.12 on Linux and UNIX allows directory traversal to write to files during an extract (aka unpack) operation, as demonstrated by creating a ~/.ssh/authorized_keys file. NOTE: WinRAR and Android RAR are unaffected.

Known-Exploited Catalog Listings

CatalogAddedRemediation dueRansomware use
CISA KEVAug 9, 2022Aug 30, 2022Known
Industry KEV feedAug 9, 2022Aug 30, 2022Known
CIRCL KEVAug 9, 2022Aug 30, 2022Known
ENISA EUVDAug 9, 2022n/aNot reported

Required action: Apply updates per vendor instructions.

Affected Products

49 affected entries in total
ProductAffected versionsFixed in
UnrarRarlabSee advisory6.12
Debian LinuxDebian10.0n/a
rardebianSee advisory2:6.20-0.1~deb11u1
unrar-nonfreedebianSee advisory1:6.0.3-1+deb11u1
libclamunrarubuntuSee advisory0.103.11-0ubuntu0.20.04.1
2 more affected products in the full CVE brief

Patched Releases

libclamunrar

0.103.11-0ubuntu0.20.04.1, 0.103.11-0ubuntu0.22.04.1

libunrar-devel

5.6.1-4.8.1

libunrar5_6_1

5.6.1-4.8.1

rar

2:6.20-0.1~deb10u1, 2:6.20-0.1~deb11u1, 2:6.20~b1-0.1, 2:6.23-1, 2:6.23-1~20.04.1, 2:6.23-1~22.04.1

Unrar

6.12, 5.6.1-4.8.1

unrar-nonfree

1:5.6.6-2ubuntu0.1, 1:6.0.3-1+deb11u1, 1:6.1.5-1ubuntu0.1, 1:6.1.7-1

Timeline

  1. Publicly disclosed

    May 9, 2022

  2. Added to CISA KEV

    Aug 9, 2022

  3. Added to Industry KEV feed

    Aug 9, 2022

  4. Added to CIRCL KEV

    Aug 9, 2022

  5. Added to ENISA EUVD

    Aug 9, 2022

  6. Last updated

    Oct 2, 2026

Weakness Type

  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
  • CWE-59 Improper Link Resolution Before File Access ('Link Following')

References

15 more references in the full CVE brief

FAQ

Common Questions.

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