CVE-2022-30333

HIGH
7.5
CVSS Score
Published: May 9, 2022 at 12:00 AM UTC
Updated: October 2, 2026 at 02:54 PM UTC
2 products affected across 2 vendorsDebian LinuxUnRAR· also runs on 2 platforms

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Severity
HIGH7.5
Exploitation
CISA KEV
Exploit prediction
EPSS 99%
SSVC
Active

Actively Exploited

CISA Known Exploited Vulnerabilities (KEV) Catalog

EPSS Score99.2%

EPSS (Exploit Prediction Scoring System) estimates a 99.2% chance this CVE is exploited in the wild within the next 30 days — higher than 100% of all CVEs. It complements CVSS: a high EPSS on a mid-severity CVE can still be urgent.

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.
Ransomware Use
Known
Added to KEV
Aug 9, 2022
Remediation Due
Aug 30, 2022
1523 days overdue

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 6.12
Affected range stops below 6.12, so it looks safe — our inference, not a vendor statement
linux-linux-kernel (environment) · open-unix (environment)

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCActiveAutomatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusANALYZED
CWE
CWE-22

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