CVE-2021-22678
This could lead to memory corruption.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.03%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Cscape (All versions prior to 9.90 SP4) lacks proper validation of user-supplied data when parsing project files. This could lead to memory corruption. An attacker could leverage this vulnerability to execute code in the context of the current process.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 1.03% probability · 63th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-20, CWE-787
- Affected
- hornerautomation/cscape
- Source
- ics-cert@hq.dhs.gov
EPSS 1.0% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://us-cert.cisa.gov/ics/advisories/icsa-21-112-01Third Party Advisory, US Government Resource
- https://us-cert.cisa.gov/ics/advisories/icsa-21-112-01Third Party Advisory, US Government Resource
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.