CVE-2022-30333 (GCVE-0-2022-30333)

Vulnerability from cvelistv5 – Published: 2022-05-09 00:00 – Updated: 2026-10-01 19:08
VLAI CISA Previdian
Summary
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.
Severity
9.8 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: active Automatable: yes Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-04 03:55 UTC
CWE
  • n/a
  • CWE-59 - Improper Link Resolution Before File Access ('Link Following')
  • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
mitre CNA under the mitre root
CNA scorecard E 28/100 over 2310 records in the last 180 days details
References
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: e84219f4-2a3a-44ff-80ee-bd035efd3481

Vulnerability ID: CVE-2022-30333

Status: Confirmed

Status Updated: 2022-08-09 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2022-08-09
Asserted: 2022-08-09
Scope
Notes: KEV entry: RARLAB UnRAR Directory Traversal Vulnerability | Affected: RARLAB / UnRAR | 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. | Due date: 2022-08-30 | Known ransomware campaign use (KEV): Known | Notes (KEV): Vulnerability updated with version 6.12. Accessing link will download update information: https://www.rarlab.com/rar/rarlinux-x32-612.tar.gz; https://nvd.nist.gov/vuln/detail/CVE-2022-30333
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-22 CWE-59
Feed CISA Known Exploited Vulnerabilities Catalog
Product UnRAR
Due Date 2022-08-30
Date Added 2022-08-09
Vendorproject RARLAB
Vulnerabilityname RARLAB UnRAR Directory Traversal Vulnerability
Knownransomwarecampaignuse Known
References
Created: 2026-02-02 12:27 UTC | Updated: 2026-02-06 07:17 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 1475530f-3f56-4aba-b6db-07ca418dee92

Vulnerability ID: CVE-2022-30333

Status: Confirmed

Status Updated: 2022-08-09 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2022-08-09
Asserted: 2022-08-09
Scope
Notes: KEVIntel entry: RARLAB UnRAR before 6.12 on Linux and UNIX allows directory traversal to write to files during an extract (aka unpack) operation, as demonstrated... | Affected: RARLAB / UnRAR | CVSS: 7.5 (HIGH) | Used in malware: yes | Not yet in CISA KEV: False
Evidence

Type: Public Report

Signal: Confirmed Compromise

Confidence: 70%

Source: kevintel

Details
Feed KEVIntel (kevintel.com)
Title RARLAB UnRAR before 6.12 on Linux and UNIX allows directory traversal to write to files during an extract (aka unpack) operation, as demonstrated...
Vendor RARLAB
Product UnRAR
Added Date 2022-08-09T00:00:00.000Z
Cvss Score 7.5
Epss Score None
Cvss Severity HIGH
Epss Percentile None
Used In Malware yes
Ahead Of Cisa Kev None
Not Yet In Cisa Kev False
References
Created: 2026-06-23 14:05 UTC | Updated: 2026-07-10 06:14 UTC
Show details on NVD website
To clipboard 

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}



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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON
How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

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