Improper input validation in Cscape
Priority LOW 36CWE-20Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
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.
Why it matters now
EPSS 0.0103 63rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Cscape | All versions prior to 9.90 SP4 | — | No fix listed | CNA |
- Cscape Vendor— Affected All versions prior to 9.90 SP4 Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:hornerautomation:cscape:*:*:*:*:*:*:*:* | before 9.90 | Vulnerable | Horner Automation |
| cpe:2.3:a:hornerautomation:cscape:9.90:-:*:*:*:*:*:* | 9.90 | Vulnerable | Horner Automation |
| cpe:2.3:a:hornerautomation:cscape:9.90:sp1:*:*:*:*:*:* | 9.90 sp1 | Vulnerable | Horner Automation |
| cpe:2.3:a:hornerautomation:cscape:9.90:sp2:*:*:*:*:*:* | 9.90 sp2 | Vulnerable | Horner Automation |
| cpe:2.3:a:hornerautomation:cscape:9.90:sp3:*:*:*:*:*:* | 9.90 sp3 | Vulnerable | Horner Automation |
- cpe:2.3:a:hornerautomation:cscape:*:*:*:*:*:*:*:* Versions before 9.90 Vulnerable ·Horner Automation
- cpe:2.3:a:hornerautomation:cscape:9.90:-:*:*:*:*:*:* Versions 9.90 Vulnerable ·Horner Automation
- cpe:2.3:a:hornerautomation:cscape:9.90:sp1:*:*:*:*:*:* Versions 9.90 sp1 Vulnerable ·Horner Automation
- cpe:2.3:a:hornerautomation:cscape:9.90:sp2:*:*:*:*:*:* Versions 9.90 sp2 Vulnerable ·Horner Automation
- cpe:2.3:a:hornerautomation:cscape:9.90:sp3:*:*:*:*:*:* Versions 9.90 sp3 Vulnerable ·Horner Automation
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-22678
- 2026-10-03 Alias added: GHSA-r249-pphh-pcj9
References
More Horner Automation Cscape vulnerabilities
- TI-2022-12696 Heap-based buffer overflow in Horner Automation Cscape Csfont CVSS 3.1HIGH 7.8
- TI-2022-11950 Out-of-bounds read in Horner Automation Cscape Csfont CVSS 3.1HIGH 7.8
- TI-2022-11334 Out-of-bounds write in Horner Automation Cscape Csfont CVSS 3.1HIGH 7.8
- TI-2022-10308 Out-of-bounds write in Horner Automation Cscape Csfont CVSS 3.1HIGH 7.8
- TI-2019-10177 Out-of-bounds write in Horner Automation Cscape CVSS 3.1HIGH 7.8
- TI-2019-10173 Improper input validation in Horner Automation Cscape CVSS 3.1HIGH 7.8
Sources
- CVE-2021-22678 · CVE Program
- CVE-2021-22678 · NVD
- FIRST EPSS
- GHSA-r249-pphh-pcj9 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences