CVE-2021-28411

Name: CVE-2021-28411
Creator: NVD / NIST
Published: 2023-08-11T14:15:12.523+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.75%

Last modified Jun 17, 2026

CVE-2021-28411 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An issue was discovered in getRememberedSerializedIdentity function in CookieRememberMeManager class in lerry903 RuoYi version 3.4.0, allows remote attackers to escalate privileges.. EPSS estimates a 0.75% chance of exploitation in the next 30 days.

Description

An issue was discovered in getRememberedSerializedIdentity function in CookieRememberMeManager class in lerry903 RuoYi version 3.4.0, allows remote attackers to escalate privileges.

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

0.75%

50.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-269

Affected Software

Vendor	Product	Versions
Ruoyi	Ruoyi	3.4.0

References

https://github.com/lerry903/RuoYi/issues/20Exploit, Issue Tracking
https://github.com/lerry903/RuoYi/issues/20Exploit, Issue Tracking

Timeline

Published: Aug 11, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-28411?

An issue was discovered in getRememberedSerializedIdentity function in CookieRememberMeManager class in lerry903 RuoYi version 3.4.0, allows remote attackers to escalate privileges.

How severe is CVE-2021-28411?

CVE-2021-28411 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.75% probability of exploitation in the next 30 days.

How do I fix CVE-2021-28411?

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-2021-28411?

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

Scan your code now

Source: NVD / NIST