CVE & CISA-KEV Catalog

CVE-2024-21849

HIGH
7.5
CVSS v3
NVD

Description

When an Advanced WAF/ASM security policy and a Websockets profile are configured on a virtual server, undisclosed traffic can cause the Traffic Management Microkernel (TMM) process to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

How to fix

Remediation Available
big-ip advanced web application firewallNVD
Affected:>= 16.1.0, < 16.1.4Fixed in:16.1.4CVE-2024-21849derived from NVD
big-ip application security managerNVD
Affected:>= 16.1.0, < 16.1.4Fixed in:16.1.4CVE-2024-21849derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

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

Exploit Intelligence

0.52%probability of exploitation in 30 days
41stpercentile

Moderate risk: more likely to be exploited than 41% of all known CVEs.

References

Vendor Advisory1

Related Vulnerabilities

Other CWE-466 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2024-33602High7.40.4%-Fix
CVE-2018-25234Medium6.20.2%--
CVE-2018-25227Medium6.20.2%--
CVE-2019-25586Medium6.20.2%--
CVE-2019-25548Medium6.20.2%--
CVE-2019-25599Medium6.20.1%--

Common questions

How do I fix CVE-2024-21849?

Published advisories record a fix for 2 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2024-21849 being actively exploited?

Not that we know of. CVE-2024-21849 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.52% is the estimated probability that it will be exploited in the next 30 days. That is higher than 41% of all scored CVEs.

How severe is CVE-2024-21849?

CVE-2024-21849 has a CVSS v3 base score of 7.5, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2024-21849 affect?

Published advisories record a fix for big-ip advanced web application firewall (NVD), big-ip application security manager (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-12-12.