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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.013 (70.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 70.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000
Affected products
- Hornerautomation Cscape
- Siemens Cscape — versions 9.90
- Cscape — versions All versions prior to 9.90 SP3.5
Weakness classification (CWE)
References
- us-cert.cisa.gov/ics/advisories/icsa-21-035-02 (US Government Resource, Third Party Advisory)
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.