What is CVE-2021-22663?

CVE-2021-22663 is a high-severity vulnerability in Hornerautomation Cscape, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2021-02-09.

How severe is CVE-2021-22663?

High severity. CVSS v3 base score is 7.8 out of 10.

Out-of-bounds Read in Hornerautomation Cscape

CVE-2021-22663

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.

Vulnerability class: Buffer Overflow

EPSS: 0.013 (68.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Hornerautomation Cscape
Siemens Cscape — versions 9.90
N/a Cscape — versions All versions prior to 9.90 SP3.5

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

ics-cert@hq.dhs.gov (US Government Resource, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-22663?: CVE-2021-22663 is a high-severity vulnerability in Hornerautomation Cscape, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2021-02-09.
How severe is CVE-2021-22663?: High severity. CVSS v3 base score is 7.8 out of 10.