Medium severity · published Feb 4, 2026
CVE-2024-51451
Multiple Vulnerabilities in IBM Concert Software
6.5
CVSS
0.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 16% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CO
Concert · IBM
1.0.0 through 2.1.0 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-51451
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-51451
Vendor Advisory
https://www.ibm.com/support/pages/node/7257006
More from Concert
9.8
CVE-2026-6928
Multiple Vulnerabilities in IBM Concert Software
9.8
CVE-2026-6721
Multiple Vulnerabilities in IBM Concert Software
9.8
CVE-2025-33089
Multiple Vulnerabilities in IBM Concert Software.
9.8
CVE-2025-27909
IBM Concert Software cross-origin resource sharing
9.8
CVE-2024-52360
IBM Concert Software SQL injection