SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2019-4186

IBM Jazz for Service Management 1.1.3 is vulnerable to HTTP header injection, caused by incorrect trust in the HTTP Host header during caching.

MEDIUM 6.1EPSS 1.58%

Does this matter?

Lower severity and a low EPSS score (1.58%). Track it; it rarely justifies an emergency change on its own.

Description

IBM Jazz for Service Management 1.1.3 is vulnerable to HTTP header injection, caused by incorrect trust in the HTTP Host header during caching. By sending a specially crafted HTTP GET request, a remote attacker could exploit this vulnerability to inject arbitrary HTTP headers, which will allow the attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking. IBM X-force ID: 158976.

CVSS 3.1
6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
1.58% probability · 75th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-79
Affected
ibm/jazz for service management
Source
psirt@us.ibm.com
EPSS trend
0%3%5%26 October 2026: 1.58%26 October 202626 October 2026

EPSS 1.6% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.