7.8

CVE-2018-20252: check point software technologies ltd. winrar Out-of-bounds Write

CVSS: 7.8v3.0HighModified
Published 05-02-2019Last modified 16-09-2024

Vulnerability summary

CVE-2018-20252 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in check point software technologies ltd. winrar. EPSS estimates a 3.60% chance of exploitation in the next 30 days, higher than 89.3% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
42/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.0 (NVD)
EPSS score
3.60%
0%100%
Low · -0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 05-02-2019
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

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 code execution in the context of the current user.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

3.60%

Chance of exploitation in the next 30 days

Percentile

89%

Versus all other CVEs

30-day change

-0.02 pp

From 3.62% on 19-09-2026

19-09-202619-10-2026
EPSS score
3.60%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (research.checkpoint.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Check point software technologies ltd.1 product
  • winrarAll versions prior and including 5.60
Rarlab1 product

2 vendors · 2 products

References

3 links