CVE-2022-24751

Name: CVE-2022-24751
Creator: NVD / NIST
Published: 2022-03-16T14:15:08.487+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.4/10EPSS 0.92%

Last modified Jun 17, 2026

CVE-2022-24751 is a high-severity vulnerability rated 7.4/10 on the CVSS scale. Zulip is an open source group chat application. Starting with version 4.0 and prior to version 4.11, Zulip is vulnerable to a race condition during account deactivation, where a simultaneous access by the user being deactivated may, in rare cases, allow continued access by the deactivated user. EPSS estimates a 0.92% chance of exploitation in the next 30 days.

Description

Zulip is an open source group chat application. Starting with version 4.0 and prior to version 4.11, Zulip is vulnerable to a race condition during account deactivation, where a simultaneous access by the user being deactivated may, in rare cases, allow continued access by the deactivated user. A patch is available in version 4.11 on the 4.x branch and version 5.0-rc1 on the 5.x branch. Upgrading to a fixed version will, as a side effect, deactivate any cached sessions that may have been leaked through this bug. There are currently no known workarounds.

Metrics

CVSS 3.1

7.4/10

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

EPSS Probability

0.92%

55.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-362

Affected Software

Vendor	Product	Versions
Zulip	Zulip	>= 4.0, < 4.11

References

https://github.com/zulip/zulip/commit/62ba8e455d8f460001d9fb486a6dabfd1ed67717Patch, Third Party Advisory
https://github.com/zulip/zulip/commit/e6eace307ef435eec3395c99247155efed9219e4Patch, Third Party Advisory
https://github.com/zulip/zulip/security/advisories/GHSA-6v98-m5x5-phqjThird Party Advisory
https://github.com/zulip/zulip/commit/62ba8e455d8f460001d9fb486a6dabfd1ed67717Patch, Third Party Advisory
https://github.com/zulip/zulip/commit/e6eace307ef435eec3395c99247155efed9219e4Patch, Third Party Advisory
https://github.com/zulip/zulip/security/advisories/GHSA-6v98-m5x5-phqjThird Party Advisory

Timeline

Published: Mar 16, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-24751?

How severe is CVE-2022-24751?

CVE-2022-24751 has a CVSS score of 7.4/10 (HIGH severity). The EPSS model estimates a 0.92% probability of exploitation in the next 30 days.

How do I fix CVE-2022-24751?

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-2022-24751?

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

Scan your code now

Source: NVD / NIST