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CVE-2021-22649

25
FAUCET Score

CVE-2021-22649 is a critical vulnerability affecting Luxion KeyShot, KeyShot Viewer, KeyShot Network Rendering, and KeyVR versions prior to 10.1. It involves multiple NULL pointer dereference issues when processing project files, potentially allowing an attacker to execute arbitrary code. With a CVSS score of 7.8 (HIGH), successful exploitation requires local access and user interaction (e.g., opening a malicious file), leading to high impacts on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 10.1CPE matchmatch criteria
cpe:2.3:a:luxion:keyshot:*:*:*:*:*:*:*:*
< 10.1CPE matchmatch criteria
cpe:2.3:a:luxion:keyshot_network_rendering:*:*:*:*:*:*:*:*
< 10.1CPE matchmatch criteria
cpe:2.3:a:luxion:keyshot_viewer:*:*:*:*:*:*:*:*
< 10.1CPE matchmatch criteria
cpe:2.3:a:luxion:keyvr:*:*:*:*:*:*:*:*
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:o:siemens:solid_edge_se2020_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.16%
Probability of exploitation in next 30 days
EPSS Percentile
80.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0216 is in the 80th percentile among its peer group of 11,616 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

cert-portal.siemens.com / productcert/pdf/ssa-231216.pdf
Third Party Advisory
us-cert.cisa.gov / ics/advisories/icsa-21-035-01
Third Party AdvisoryUS Government Resource
zerodayinitiative.com / advisories/ZDI-21-317
Third Party AdvisoryVDB Entry
zerodayinitiative.com / advisories/ZDI-21-325
Third Party AdvisoryVDB Entry