Improper access control in Cscape
Priority LOW 33CWE-284Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- 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-284.
Summary
Cscape (All versions prior to 9.90 SP4) is configured by default to be installed for all users, which allows full permissions, including read/write access. This may allow unprivileged users to modify the binaries and configuration files and lead to local privilege escalation.
Why it matters now
EPSS 0.00219 12th 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-2021-22682
- 2026-10-03 Alias added: GHSA-936c-39fp-q95f
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-2021-22682 · CVE Program
- CVE-2021-22682 · NVD
- FIRST EPSS
- GHSA-936c-39fp-q95f · GitHub Advisory Database · CC BY 4.0
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