CVE-2021-4246

Name: CVE-2021-4246
Creator: NVD / NIST
Published: 2022-12-17T19:15:08.887+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.52%

Last modified Jun 17, 2026

CVE-2021-4246 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A vulnerability was found in roxlukas LMeve and classified as critical. Affected by this issue is some unknown functionality of the component Login Page. EPSS estimates a 0.52% chance of exploitation in the next 30 days.

Description

A vulnerability was found in roxlukas LMeve and classified as critical. Affected by this issue is some unknown functionality of the component Login Page. The manipulation of the argument X-Forwarded-For leads to sql injection. The attack may be launched remotely. The name of the patch is 29e1ead3bb1c1fad53b77dfc14534496421c5b5d. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-216176.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

0.52%

40.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Roxlukas	Lmeve	< 0.1.61

References

https://github.com/roxlukas/lmeve/commit/29e1ead3bb1c1fad53b77dfc14534496421c5b5dPatch, Third Party Advisory
https://vuldb.com/?id.216176Third Party Advisory
https://github.com/roxlukas/lmeve/commit/29e1ead3bb1c1fad53b77dfc14534496421c5b5dPatch, Third Party Advisory
https://vuldb.com/?id.216176Third Party Advisory

Timeline

Published: Dec 17, 2022
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2021-4246?

How severe is CVE-2021-4246?

CVE-2021-4246 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.52% probability of exploitation in the next 30 days.

How do I fix CVE-2021-4246?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-4246?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST