CVE-2021-25994

Name: CVE-2021-25994
Creator: NVD / NIST
Published: 2022-01-03T07:15:07.243+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.55%

Last modified Jun 17, 2026

CVE-2021-25994 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. In Userfrosting, versions v0.3.1 to v4.6.2 are vulnerable to Host Header Injection. By luring a victim application user to click on a link, an unauthenticated attacker can use the “forgot password” functionality to reset the victim’s password and successfully take over their account.. EPSS estimates a 1.55% chance of exploitation in the next 30 days.

Description

In Userfrosting, versions v0.3.1 to v4.6.2 are vulnerable to Host Header Injection. By luring a victim application user to click on a link, an unauthenticated attacker can use the “forgot password” functionality to reset the victim’s password and successfully take over their account.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

1.55%

72.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Userfrosting	Userfrosting	>= 0.3.1, < 4.6.3

References

https://github.com/userfrosting/UserFrosting/commit/796dd78757902435d1bd286415feea78098e45baPatch, Third Party Advisory
https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25994Exploit, Third Party Advisory
https://github.com/userfrosting/UserFrosting/commit/796dd78757902435d1bd286415feea78098e45baPatch, Third Party Advisory
https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25994Exploit, Third Party Advisory

Timeline

Published: Jan 3, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-25994?

How severe is CVE-2021-25994?

CVE-2021-25994 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.55% probability of exploitation in the next 30 days.

How do I fix CVE-2021-25994?

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-2021-25994?

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

Scan your code now

Source: NVD / NIST