CVE-2021-46168

FAUCET Score

CVE-2021-46168 is an out-of-bounds write vulnerability in the lex() function of spinlex.c, affecting Spin v6.5.1. This medium-severity vulnerability (CVSS 5.5) requires local access and user interaction (UI:R) to achieve high availability impact (A:H), with no confidentiality or integrity impact. There is currently no evidence of active exploitation, nor are there any public exploits available in Metasploit, Nuclei, or ExploitDB. The vulnerability has garnered minimal community attention, with no social media discussion or media coverage.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		6.5.1CPE matchmatch criteria	cpe:2.3:a:spinroot:spin:6.5.1:::::::*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

Exploitability Score

1.8

Impact Score

3.6

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.64%

Probability of exploitation in next 30 days

EPSS Percentile

46.9%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0064 is in the 52nd percentile among its peer group of 5,760 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference

View patch

References

github.com / nimble-code/Spin/issues/56

ExploitIssue TrackingPatchThird Party Advisory