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CVE-2021-22651

24
FAUCET Score

CVE-2021-22651 is a directory traversal vulnerability affecting Luxion KeyShot, KeyShot Viewer, KeyShot Network Rendering, and KeyVR versions prior to 10.1. An attacker can exploit this by crafting a malicious file, leading to the storage of arbitrary scripts in startup folders during temporary file extraction. This vulnerability has a CVSS score of 7.8 (High), indicating a local attack vector with low complexity, requiring user interaction, and potentially leading to high impact on confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

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
2.65%
Probability of exploitation in next 30 days
EPSS Percentile
84.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0265 is in the 84th percentile among its peer group of 11,621 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
PatchThird Party AdvisoryUS Government Resource
zerodayinitiative.com / advisories/ZDI-21-324
Third Party AdvisoryVDB Entry