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ExploitedIn CISA KEVFix available

CVE-2022-30333

Exploitation confirmed. First attested on 2022-08-09 by CISA-ADP, CISA KEV, GCVE · kevintel.

  • Published2022-05-09
  • WeaknessCWE-22 · CWE-59

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2022-05-0908:15CVE publishedNVD
  2. 2022-08-09Added to the CISA KEV catalogCISA KEV
  3. 2022-08-09Listed as exploited by GCVEGCVE
  4. 2022-08-09Exploitation first reportedCISA KEV
  5. 2026-08-0403:55SSVC exploitation set to activeCISA-ADP

Observed activity

isMalicious corpus · updated 2026-11-03 21:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2022-30333?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-30333?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Debian debian linux
BranchAffectedFixed in
10.0= 10.0no fix published
Rarlab unrarversion to verify
BranchAffectedFixed in
6.12< 6.126.12

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • libclamunrarUbuntu:22.04:LTSall versions · fixed in 0.103.11-0ubuntu0.22.04.1
  • libclamunrarUbuntu:20.04:LTSall versions · fixed in 0.103.11-0ubuntu0.20.04.1
  • rarUbuntu:24.04:LTSall versions · fixed in 2:6.23-1
  • rarUbuntu:22.04:LTSall versions · fixed in 2:6.23-1~22.04.1
  • rarUbuntu:20.04:LTSall versions · fixed in 2:6.23-1~20.04.1
  • rarUbuntu:18.04:LTSall versions · no fixed version listedand 2 other packages
  • rarUbuntu:16.04:LTSall versions · no fixed version listedand 2 other packages
  • rarDebian:14all versions · fixed in 2:6.20~b1-0.1

12 more package ranges on OSV.dev

Full record on NVD

Fix

  1. CISA’s required action: Apply updates per vendor instructions.due 2022-08-30

Advisories and patches

Detection

read 2026-11-03 22:42 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
5 repositories, unverifiedTheL1ghtVn/CVE-2022-30333-PoCrbowes-r7/unrar-cve-2022-30333-pocaslitsecurity/Zimbra-CVE-2022-30333RakhithJK/CVE-2022-30333paradox0909/cve-2022-30333_online_rar_extracor
PoC-in-GitHub
Metasploit modules
2 modulesexploit/linux/fileformat/unrar_cve_2022_30333rank: excellentexploit/linux/http/zimbra_unrar_cve_2022_30333rank: excellentModule metadata: Metasploit Framework, © Rapid7, Inc., BSD-3-Clause.
Metasploit Framework

CISA Known Exploited Vulnerability

Date Added
2022-08-09
Patch Due Date
2022-08-30
Ransomware Use
Known
Required Action
Apply updates per vendor instructions.

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Published
2022-05-09
Last Modified
2026-10-02
NVD status
Analyzed
GitHub Advisory
GHSA-h4mr-p94x-gf79

Frequently asked questions

What is CVE-2022-30333?

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.

Is CVE-2022-30333 actively exploited?

Yes. CVE-2022-30333 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2022-08-30.

What is the CVSS score for CVE-2022-30333?

CVE-2022-30333 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

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Sources for this record