IBM Concert up to 2.1.0 Header Host http headers for scripting syntax

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.8$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in IBM Concert up to 2.1.0. This affects an unknown function of the component Header Handler. Such manipulation of the argument Host leads to improper neutralization of http headers for scripting syntax. This vulnerability is documented as CVE-2024-51451. The attack can be executed remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, has been found in IBM Concert up to 2.1.0. Affected by this issue is an unknown part of the component Header Handler. The manipulation of the argument Host with an unknown input leads to a improper neutralization of http headers for scripting syntax vulnerability. Using CWE to declare the problem leads to CWE-644. The product does not neutralize or incorrectly neutralizes web scripting syntax in HTTP headers that can be used by web browser components that can process raw headers, such as Flash. Impacted is confidentiality, integrity, and availability. CVE summarizes:

IBM Concert 1.0.0 through 2.1.0 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking.

The advisory is shared for download at ibm.com. This vulnerability is handled as CVE-2024-51451 since 10/28/2024. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 02/05/2026).

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2024-55396). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.8

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.5
CNA Vector (ibm): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Improper neutralization of http headers for scripting syntax
CWE: CWE-644
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

10/28/2024 CVE reserved
02/05/2026 +465 days Advisory disclosed
02/05/2026 +0 days VulDB entry created
02/05/2026 +0 days VulDB entry last update

Sourcesinfo

Vendor: ibm.com

Advisory: ibm.com
Status: Confirmed

CVE: CVE-2024-51451 (🔒)
GCVE (CVE): GCVE-0-2024-51451
GCVE (VulDB): GCVE-100-344396
EUVD: 🔒

Entryinfo

Created: 02/05/2026 07:12
Updated: 02/05/2026 17:48
Changes: 02/05/2026 07:12 (64), 02/05/2026 17:48 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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