7.8

CVE-2021-42024: siemens simcenter_star-ccm\+_viewer Out-of-bounds Write

CVSS: 7.8v3.1HighModified
Published 14-12-2021Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2021-42024 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in siemens simcenter_star-ccm\+_viewer. EPSS estimates a 0.84% chance of exploitation in the next 30 days, higher than 57.1% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.1 (NVD)
EPSS score
0.84%
0%100%
Low · +0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 14-12-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

A vulnerability has been identified in Simcenter STAR-CCM+ Viewer (All versions < 2021.3.1). The starview+.exe application lacks proper validation of user-supplied data when parsing scene files. This could result in an out of bounds write past the end of an allocated structure. An attacker could leverage this vulnerability to execute code in the context of the current process.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

0.84%

Chance of exploitation in the next 30 days

Percentile

57%

Versus all other CVEs

30-day change

+0.03 pp

From 0.81% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.84%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Siemens1 product

1 vendor · 1 product

References

1 links