CVE-2021-27490
No exploitation reported by the sources we read.
- Published2021-05-27
- WeaknessCWE-125
Am I affected?
Debian, Ubuntu or Red Hat sometimes backport a fix without changing the upstream version number: such a version reads « to verify », never « affected ».With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.
Description
Datakit Software libraries CatiaV5_3dRead, CatiaV6_3dRead, Step3dRead, Ug3dReadPsr, Jt3dReadPsr modules in KeyShot Versions v10.1 and prior are vulnerable to an out-of-bounds read, which may allow an attacker to execute arbitrary code.
Timeline
dates in UTC- 2021-05-2717:15CVE publishedNVD
Observed activity
isMalicious corpus · updated 2026-10-23 18:48 UTCBlock these indicators
- Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2021-27490?format=txt
- CSV export: https://api.ismalicious.com/edl/cve/CVE-2021-27490?format=csv
- TAXII collection of exploited CVEs
- The EDL and CSV take an API key on the Pro plan.
Versions per branch
NVD| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 2021.1 | ≤ 2021.1 | no fix published | NVD |
| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 10.1 | ≤ 10.1 | no fix published | NVD |
| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| — | all versions | no fix published | NVD |
1 more product in the sources.
as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.
Distribution builds and vendor advisories
Packages from OSV.dev and products from the vendors' CSAF advisories.
version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.
Vendor advisories
Datakit Libraries bundled in Luxion KeyShot
Ug3dReadPsr: Versions 2021.1 and earlier · Jt3dReadPsr: Versions 2021.1 and earlier · KeyShot: Versions v10.1 and prior · +3 more
Fix
- Mitigation from the vendor CISA ICSA-21-145-01 · 6 productsDatakit has released CrossCAD/Ware library Version 2021.2 and recommends software vendors upgrade to this version or later. Versions 2021.1 or earlier are still affected by the vulnerabilities.
- Mitigation from the vendor CISA ICSA-21-145-01 · 6 productsDatakit recommends that users of these applications should avoid opening untrusted files from unknown sources.
- Mitigation from the vendor CISA ICSA-21-145-01 · 6 productsLuxion has released an update to KeyShot (v10.2), as it is bundled with Datakit 2021.2, and recommends users update to the latest version.
- Mitigation from the vendor CISA ICSA-21-145-01 · 6 productsLuxion has published security advisory LSA-394129 for the affected products.
Detection
- Nuclei template
- none so far ProjectDiscovery
- Exploit-DB
- no entry Exploit-DB
- Proof-of-concept repositories
- none listed PoC-in-GitHub
Sources
- NVDCVSS 3.17.8read 2026-10-23
- NVDCVSS 2.06.8read 2026-10-23
- CNAweakness (CWE)CWE-125read 2026-10-23
- FIRST EPSSEPSS score2.0 %2026-10-22
Technical details
- CVSS v3 Vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Published
- 2021-05-27
- Last Modified
- 2026-06-17
- NVD status
- Modified
Frequently asked questions
What is CVE-2021-27490?
Is CVE-2021-27490 actively exploited?
What is the CVSS score for CVE-2021-27490?
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Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».
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Related vulnerabilities
Same product first, then the same vendor advisory and the same publication week.