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TI-2021-05556 Aliases CVE-2021-22663GHSA-2xjp-jvqv-hvj5

Out-of-bounds read in Cscape

Priority LOW 37CWE-125Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

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.

Why it matters now

EPSS 0.01404 72nd 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

VendorProductAffected versionsFixed inStatusSource
—CscapeAll versions prior to 9.90 SP3.5—No fix listedCNA
  • Cscape Vendor— Affected All versions prior to 9.90 SP3.5 Fixed in — No fix listed CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:a:hornerautomation:cscape:*:*:*:*:*:*:*:*before 9.90VulnerableHorner Automation
cpe:2.3:a:siemens:cscape:9.90:-:*:*:*:*:*:*9.90VulnerableSiemens
cpe:2.3:a:siemens:cscape:9.90:sp1:*:*:*:*:*:*9.90 sp1VulnerableSiemens
cpe:2.3:a:siemens:cscape:9.90:sp3:*:*:*:*:*:*9.90 sp3VulnerableSiemens
  • cpe:2.3:a:hornerautomation:cscape:*:*:*:*:*:*:*:* Versions before 9.90 Vulnerable ·Horner Automation
  • cpe:2.3:a:siemens:cscape:9.90:-:*:*:*:*:*:* Versions 9.90 Vulnerable ·Siemens
  • cpe:2.3:a:siemens:cscape:9.90:sp1:*:*:*:*:*:* Versions 9.90 sp1 Vulnerable ·Siemens
  • cpe:2.3:a:siemens:cscape:9.90:sp3:*:*:*:*:*:* Versions 9.90 sp3 Vulnerable ·Siemens

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-22663
  2. 2026-10-03 Alias added: GHSA-2xjp-jvqv-hvj5

References

Sources