Apache Tomcat up to 8.5.98/9.0.85/10.1.18/11.0.0-M16 HTTP/2 Request denial of service

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Apache Tomcat up to 8.5.98/9.0.85/10.1.18/11.0.0-M16 and classified as problematic. This issue affects some unknown processing of the component HTTP2 Request Handler. The manipulation results in denial of service. This vulnerability is reported as CVE-2024-24549. The attack can be launched remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apache Tomcat up to 8.5.98/9.0.85/10.1.18/11.0.0-M16 (Application Server Software). It has been classified as problematic. Affected is an unknown code of the component HTTP2 Request Handler. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

Denial of Service due to improper input validation vulnerability for HTTP/2 requests in Apache Tomcat. When processing an HTTP/2 request, if the request exceeded any of the configured limits for headers, the associated HTTP/2 stream was not reset until after all of the headers had been processed.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. Other, 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.

The weakness was disclosed 03/13/2024 by Bartek Nowotarski. The advisory is available at lists.apache.org. This vulnerability is traded as CVE-2024-24549 since 01/25/2024. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 209246 (Oracle Siebel CRM <= 24.7 (October 2024 CPU)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 8.5.99, 9.0.86, 10.1.19 or 11.0.0-M17 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (209246). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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Version

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 209246
Nessus Name: Oracle Siebel CRM <= 24.7 (October 2024 CPU)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Tomcat 8.5.99/9.0.86/10.1.19/11.0.0-M17

Timelineinfo

01/25/2024 🔍
03/13/2024 +48 days 🔍
03/13/2024 +0 days 🔍
10/29/2025 +595 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: DLA 3779-1
Researcher: Bartek Nowotarski
Status: Confirmed

CVE: CVE-2024-24549 (🔍)
GCVE (CVE): GCVE-0-2024-24549
GCVE (VulDB): GCVE-100-256722

Entryinfo

Created: 03/13/2024 17:19
Updated: 10/29/2025 13:27
Changes: 03/13/2024 17:19 (42), 04/15/2024 08:24 (15), 06/13/2024 09:59 (1), 10/18/2024 03:26 (3), 11/05/2024 04:44 (11), 10/29/2025 13:27 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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