VulnTideExploited vulnerabilities, by vendor. Data as of 28 Oct 2026.
Known exploitedIn CISA's KEV catalog since 9 August 2022Ransomware use: known
RARLAB UnRAR

CVE-2022-30333: RARLAB UnRAR Directory Traversal Vulnerability

Is it exploited?

Yes. CISA added it to the Known Exploited Vulnerabilities catalog on 9 Aug 2022, 92 days after the CVE record was published.

How likely is exploitation in the next 30 days?
99.2%

EPSS score, percentile 99.9 of all scored records

How severe?
9.8 Critical

CVSS v3.1 base score, from CISA's enrichment of the record

What should I do?

CISA deadline 30 Aug 2022. Apply updates per vendor instructions.

Advisories and patches (1)

Which versions are affected?

Not stated. The CVE record gives vendor and product as “n/a” and the version as “unspecified”.

Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

What to do

Required action, set by CISA

Apply updates per vendor instructions.

CISA due date for this action: 30 August 2022.

Advisories and patches

Linked from CISA's catalog entry

Affected products and versions

The CVE record does not name affected products or versions: vendor and product are “n/a” and the version is “unspecified”.

Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

About this vulnerability

RARLAB UnRAR on Linux and UNIX contains a directory traversal vulnerability, allowing an attacker to write to files during an extract (unpack) operation.

Summary: CISA's KEV catalog, as of 28 Oct 2026.

  • CISA added CVE-2022-30333 to its Known Exploited Vulnerabilities (KEV) catalog on 9 Aug 2022.
  • CISA marks it as known to be used in ransomware campaigns.
  • The due date CISA sets for the required action is 30 Aug 2022.
  • The CVE record was published on 9 May 2022, 92 days before it was added to KEV.
  • The CVE record carries a CVSS v3.1 base score of 9.8 (Critical), taken from CISA's enrichment of the record.
  • FIRST's EPSS model puts the probability of exploitation in the next 30 days at 99.2% (percentile 99.9), as of 28 Oct 2026.
  • CISA's SSVC assessment in the CVE record: exploitation active, automatable yes, technical impact total.

Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026. About the data.

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.

Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.

Weakness

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

CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record and the KEV entry.

Timeline

DateEvent
9 May 2022CVE record published
9 Aug 2022Added to CISA KEV
30 Aug 2022CISA due date for the required action
1 Oct 2026CVE record last updated

References

More exploited RARLAB vulnerabilities

  • CVE-2025-6218: RARLAB WinRAR Path Traversal Vulnerability (added 9 Dec 2025)
  • CVE-2025-8088: RARLAB WinRAR Path Traversal Vulnerability (added 12 Aug 2025)
  • CVE-2023-38831: RARLAB WinRAR Code Execution Vulnerability (added 24 Aug 2023)
  • CVE-2018-20250: WinRAR Absolute Path Traversal Vulnerability (added 15 Feb 2022)