August 9, 2022 · Applied Cybernetics Group
CVE-2022-30333 — RARLAB UnRAR
known ransomware use
RARLAB UnRAR Directory Traversal Vulnerability
- Added to KEV
2022-08-09- Federal due date
2022-08-30- Vendor
- RARLAB
- Product
- UnRAR
- EPSS
- 99.8th percentile (score 0.928, as of
2026-06-08) - NVD CVSS v3.1
- —
- Ransomware use
- Known
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2022-30333
CISA short description
RARLAB UnRAR on Linux and UNIX contains a directory traversal vulnerability, allowing an attacker to write to files during an extract (unpack) operation.
Required action
Apply updates per vendor instructions.