Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:NCVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.
Summary
CVE-2022-30333 is a high-severity Path Traversal (CWE-22) vulnerability in Rarlab Unrar. Its CVSS base score is 7.5 (High).
Operationally, exploitation aligns with the MITRE ATT&CK technique Data Obfuscation (T1001); ranked in the top 0.1% of CVEs by exploit likelihood; CISA has added it to the Known Exploited Vulnerabilities catalog; a public proof-of-concept is referenced.
Deeper analysis AI-assisted summary
Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.
RARLAB UnRAR before version 6.12 on Linux and UNIX contains a directory traversal flaw that permits an archive to write files outside the intended extraction directory during unpack operations. The issue is tracked under CWE-22 and CWE-59 and carries a CVSS 3.1 score of 7.5. WinRAR and the Android RAR client are not affected.
An unauthenticated remote attacker can supply a malicious RAR archive that, when extracted by a vulnerable UnRAR binary, writes attacker-controlled content to arbitrary paths such as ~/.ssh/authorized_keys. This grants the ability to modify system files and achieve persistent access or code execution without any user interaction.
Debian and Gentoo advisories direct users to apply the upstream fix, while RARLAB published version 6.12 binaries that close the traversal vector. The referenced Zimbra disclosure further illustrates how the same flaw was chained into pre-authentication remote code execution when UnRAR processed attacker-supplied archives.
EPSS values have remained consistently high, with a recorded peak of 0.9573 and a current score of 0.9279, indicating sustained exploitation interest after public disclosure.
OWASP Top 10 for Web (2025)
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-52276
Vulnerability Data
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.
- CWE(s)
- KEV Date Added
- 09 August 2022
Related Threats
Threat-Actor AttributionAI
MITRE ATT&CK Enterprise Techniques
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Affected Assets
Mitigating Controls
Control response
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V5.3.2
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Validates pathnames and filenames to prevent traversal outside intended directories.
Mitigating Controls (NIST CSF 2.0) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.
Patching/maintenance can remediate known path-traversal flaws in deployed software (partial prevention of exploitability) but does nothing to stop the coding defect from being introduced in the first place.
Secure SDLC practices directly require code to validate paths and avoid unsafe link following.
PR.AA-05 defines and reviews access policies but does not address code-level pathname neutralization, so neither direction prevents CWE-22.
Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.