How severe is CVE-2019-4186?

CVE-2019-4186 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2019-4186 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-4186?

CVE-2019-4186 affects Ibm Jazz For Service Management. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-4186?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-4186 published?

CVE-2019-4186 was published on 2019-09-05 and last updated on 2026-06-17.

CVE-2019-4186

CVE-2019-4186 is a medium-severity vulnerability in Ibm Jazz For Service Management with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Ibm Jazz For Service Management
Published: 2019-09-05
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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. 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.
How severe is CVE-2019-4186?: CVE-2019-4186 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2019-4186 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-4186?: CVE-2019-4186 affects Ibm Jazz For Service Management. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-4186?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-4186 published?: CVE-2019-4186 was published on 2019-09-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ibm:jazz_for_service_management:1.1.3:*:*:*:*:*:*:*

More vulnerabilities in Ibm Jazz For Service Management

CVE-2017-1746 — High (CVSS 8.8): IBM Jazz for Service Management (IBM Tivoli Components 1.1.3) is vulnerable to cross-site request forgery which could…
CVE-2017-1631 — High (CVSS 8.8): IBM Jazz for Service Management (IBM Tivoli Components 1.1.3) is vulnerable to cross-site request forgery which could…
CVE-2021-29831 — High (CVSS 8.1): IBM Jazz for Service Management 1.1.3.10 and IBM Tivoli Netcool/OMNIbus_GUI is vulnerable to an XML External Entity…
CVE-2019-4193 — High (CVSS 7.5): IBM Jazz for Service Management 1.1.3 and 1.1.3.2 stores sensitive information in URL parameters. This may lead to…
CVE-2021-29816 — Medium (CVSS 6.5): IBM Jazz for Service Management 1.1.3.10 and IBM Tivoli Netcool/OMNIbus_GUI is vulnerable to cross-site request forgery…
CVE-2024-52892 — Medium (CVSS 6.1): IBM Jazz for Service Management 1.1.3 through 1.1.3.23 is vulnerable to cross-site scripting. This vulnerability allows…

All CVEs affecting Ibm Jazz For Service Management →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →