CVE-2021-27494

HIGH 7.8CVE-2021-27494 · Published 27/05/2021 · updated 17/06/2026

In short

CVE-2021-27494 is a HIGH (CVSS 7.8) vulnerability affecting crosscadware (datakit), keyshot (luxion).
Chance of exploitation in the next 30 days (EPSS): 2.2%, higher than 82.5% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
crosscadware datakit	`≤ 2021.1`	No fix yet
keyshot luxion	`≤ 10.1`	No fix yet

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 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.

References

cert-portal.siemens.com/productcert/pdf/ssa-119468.pdf · Third Party Advisory
us-cert.cisa.gov/ics/advisories/icsa-21-145-01 · Third Party Advisory
zerodayinitiative.com/advisories/ZDI-21-564 · Third Party Advisory

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Package

Affected versions

Patched versions

crosscadware

datakit

≤ 2021.1

No fix yet

keyshot

luxion

≤ 10.1

No fix yet

Description

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