CVE-2024-23672
CVE-2024-23672 is a medium-severity vulnerability in Apache Tomcat with a CVSS 3.x base score of 6.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-459.
Key facts
- Severity: Medium (CVSS 3.x base score 6.3)
- EPSS exploit prediction: 2% (81st percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-1010
- Weakness: CWE-459
- Affected product: Apache Tomcat
- Published:
- Last modified:
Description
Denial of Service via incomplete cleanup vulnerability in Apache Tomcat. It was possible for WebSocket clients to keep WebSocket connections open leading to increased resource consumption.This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.0-M16, from 10.1.0-M1 through 10.1.18, from 9.0.0-M1 through 9.0.85, from 8.5.0 through 8.5.98. Older, EOL versions may also be affected. Users are recommended to upgrade to version 11.0.0-M17, 10.1.19, 9.0.86 or 8.5.99 which fix the issue.
Frequently asked questions
- What is CVE-2024-23672?
- Denial of Service via incomplete cleanup vulnerability in Apache Tomcat. It was possible for WebSocket clients to keep WebSocket connections open leading to increased resource consumption.This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.0-M16, from 10.1.0-M1 through 10.1.18, from 9.0.0-M1 through 9.0.85, from 8.5.0 through 8.5.98. Older, EOL versions may also be affected. Users are recommended to upgrade to version 11.0.0-M17, 10.1.19, 9.0.86 or 8.5.99 which fix the issue.
- How severe is CVE-2024-23672?
- CVE-2024-23672 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
- Is CVE-2024-23672 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2024-23672?
- CVE-2024-23672 primarily affects Apache Tomcat. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2024-23672?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2024-23672 have an EU (EUVD) identifier?
- Yes. CVE-2024-23672 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-1010.
- When was CVE-2024-23672 published?
- CVE-2024-23672 was published on 2024-03-13 and last updated on 2026-06-17.
References
- https://lists.apache.org/thread/cmpswfx6tj4s7x0nxxosvfqs11lvdx2f
- http://www.openwall.com/lists/oss-security/2024/03/13/4
- https://lists.debian.org/debian-lts-announce/2024/04/msg00001.html
- https://lists.fedoraproject.org/archives/list/[email protected]/message/3UWIS5MMGYDZBLJYT674ZI5AWFHDZ46B/
- https://lists.fedoraproject.org/archives/list/[email protected]/message/736G4GPZWS2DSQO5WKXO3G6OMZKFEK55/
- https://security.netapp.com/advisory/ntap-20240402-0002/
Affected products (20)
- cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:11.0.0:milestone1:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:11.0.0:milestone10:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:11.0.0:milestone11:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:11.0.0:milestone12:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:11.0.0:milestone13:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:11.0.0:milestone14:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:11.0.0:milestone15:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:11.0.0:milestone16:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:11.0.0:milestone2:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:11.0.0:milestone3:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:11.0.0:milestone4:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:11.0.0:milestone5:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:11.0.0:milestone6:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:11.0.0:milestone7:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:11.0.0:milestone8:*:*:*:*:*:*
- cpe:2.3:a:apache:tomcat:11.0.0:milestone9:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:40:*:*:*:*:*:*:*
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