CVE-2021-27494

moderate-risk
Published 2021-05-27

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 STP files. This could result in a stack-based buffer overflow. An attacker could leverage this vulnerability to execute code in the context of the current process.

Do I need to act?

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0.62% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.8/10 High
LOCAL / LOW complexity

Affected Products (4)

Crosscadware
Solid Edge Se2020 Firmware
Solid Edge Se2021 Firmware

Affected Vendors

Siemens Luxion Datakit

References (6)

Third Party Advisory https://cert-portal.siemens.com/productcert/pdf/ssa-119468.pdf
Third Party Advisory https://us-cert.cisa.gov/ics/advisories/icsa-21-145-01
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-21-564/
Third Party Advisory https://cert-portal.siemens.com/productcert/pdf/ssa-119468.pdf
Third Party Advisory https://us-cert.cisa.gov/ics/advisories/icsa-21-145-01
Third Party Advisory https://www.zerodayinitiative.com/advisories/ZDI-21-564/
36
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 2/34 · Minimal
Exposure 10/34 · Low