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01 Record

CVE-2018-20252

In WinRAR versions prior to and including 5.60, there is an out-of-bounds write vulnerability during parsing of crafted ACE and RAR archive formats. Successful exploitation could lead to arbitrary

UnratedPUBLISHEDCNA: checkpoint
CNA base scoreUnratedNo CNA CVSS vector
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02 Description

In WinRAR versions prior to and including 5.60, there is an out-of-bounds write vulnerability during parsing of crafted ACE and RAR archive formats. Successful exploitation could lead to arbitrary

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
3.59% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 89.1% of scored records. A rank, not a probability.
NVD base score
7.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2019-02-05 20:00Z7 YR AGO
Last updated
2024-09-16 18:24Z2 YR AGO
Reserved
2018-12-19
Assigning CNA
checkpoint
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
Data version
5.1
Document digest
5752f682278abaeb38430891cd99457247dfa059a89fc87e7f35bc8916f823b6

05 Affected products

VendorProductVersionsPlatforms
Check Point Software Technologies Ltd.WinRARAll versions prior and including 5.60—

06 References