CVE-2021-22663 json
Cscape (All versions prior to 9.90 SP3.5) lacks proper validation of user-supplied data when parsing project files.
published 2021-02-09 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-9799
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 72%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- hornerautomation cscape 9.90
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-21-035-02 updated cvss 7.8
Horner Automation Cscape
-
Horner Automation Cscape < 9.90 SP3.5affected: vendor fix
From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf
Exploit prediction
1.40% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Affected products
- n/a Cscape
Classification
- Weakness
-
- CWE-125 Out-of-bounds Read
References
-
us-cert.cisa.gov
/ics/advisories/icsa-21-035-02
third-party-advisory, us-government-resource
Sources
- CVE List CVE-2021-22663
- NVD CVE-2021-22663
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