7.8

CVE-2021-22663: hornerautomation cscape Out-of-bounds Read

CVSS: 7.8v3.1HighModified
Published 09-02-2021Last modified 03-08-2024

Vulnerability summary

CVE-2021-22663 is a high (CVSS 7.8) Out-of-bounds Read vulnerability in hornerautomation cscape. EPSS estimates a 1.34% chance of exploitation in the next 30 days, higher than 71.1% 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
1.34%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 09-02-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

Cscape (All versions prior to 9.90 SP3.5) lacks proper validation of user-supplied data when parsing project files. This could lead to an out-of-bounds read. 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

1.34%

Chance of exploitation in the next 30 days

Percentile

71%

Versus all other CVEs

30-day change

0.00 pp

From 1.34% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.34%

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

Hornerautomation1 product
Siemens1 product
  • cscape9.90 | 9.90:sp1 | 9.90:sp3

2 vendors · 2 products

References

1 links