What’s Vulnerable › Vulnerabilities

CVE-2021-27488

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-05-27 · updated 2026-06-17
• Weakness: CWE-787

Description

Datakit Software libraries CatiaV5_3dRead, CatiaV6_3dRead, Step3dRead, Ug3dReadPsr, Jt3dReadPsr modules in KeyShot Versions v10.1 and prior lack proper validation of user-supplied data when parsing CATPart files. This could result in an out-of-bounds write past the end of an allocated structure. An attacker could leverage this vulnerability to execute code in the context of the current process.

Affected products

• Datakit CrossCAD/Ware_x64 library 0: through 2021.1
• Luxion KeyShot: through 10.1
• Siemens Solid Edge Se2020 Firmware: all versions
• Siemens Solid Edge Se2021 Firmware: all versions

References

• https://cert-portal.siemens.com/productcert/pdf/ssa-119468.pdf
• https://us-cert.cisa.gov/ics/advisories/icsa-21-145-01
• https://www.zerodayinitiative.com/advisories/ZDI-21-563/
• https://cert-portal.siemens.com/productcert/pdf/ssa-119468.pdf
• https://us-cert.cisa.gov/ics/advisories/icsa-21-145-01
• https://www.zerodayinitiative.com/advisories/ZDI-21-563/

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