SARA / Free Tools / CVE / CVE-2024-39554

CVE-2024-39554 — A Concurrent Execution using Shared Resource with Improper Synchronization ('Rac

A Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') vulnerability the

CVSS

8.2 HIGH

EPSS

42.00% (top 38.40%)

CWE

CWE-362

Published

2024-07-10T22:32:34.310Z

Last modified

2024-08-02T04:26:15.931Z

CVSS vector

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

01What is this vulnerability?

A Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') vulnerability the

Vendor	Product	Versions
Juniper Networks	Junos OS	21.1, 21.2, 21.4, 22.1, 22.2, 22.3, 22.4, 23.2, 0
Juniper Networks	Junos OS Evolved	21.1-EVO, 21.2-EVO, 21.4-EVO, 22.1-EVO, 22.2-EVO, 22.3-EVO, 22.4-EVO, 23.2-EVO, 0

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

Patch to a fixed version listed in the vendor advisory (see references below).
Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
Hunt historical logs for exploitation indicators — see Detection signatures below.

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

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