How severe is CVE-2018-1658?

CVE-2018-1658 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2018-1658 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-1658?

CVE-2018-1658 affects Ibm Rational Collaborative Lifecycle Management. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-1658?

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

When was CVE-2018-1658 published?

CVE-2018-1658 was published on 2019-03-14 and last updated on 2026-06-17.

CVE-2018-1658

CVE-2018-1658 is a medium-severity vulnerability in Ibm Rational Collaborative Lifecycle Management with a CVSS 3.x base score of 5.4. 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-20.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Ibm Rational Collaborative Lifecycle Management
Published: 2019-03-14
Last modified: 2026-06-17

Description

IBM Jazz Foundation (IBM Rational Collaborative Lifecycle Management 5.0 through 6.0.6) is vulnerable to HTTP header injection, caused by improper validation of input. By persuading a victim to visit a specially-crafted Web page, 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: 144884.

Frequently asked questions

What is CVE-2018-1658?: IBM Jazz Foundation (IBM Rational Collaborative Lifecycle Management 5.0 through 6.0.6) is vulnerable to HTTP header injection, caused by improper validation of input. By persuading a victim to visit a specially-crafted Web page, 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: 144884.
How severe is CVE-2018-1658?: CVE-2018-1658 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-1658 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-1658?: CVE-2018-1658 affects Ibm Rational Collaborative Lifecycle Management. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-1658?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-1658 published?: CVE-2018-1658 was published on 2019-03-14 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ibm:rational_collaborative_lifecycle_management:*:*:*:*:*:*:*:*

More vulnerabilities in Ibm Rational Collaborative Lifecycle Management

CVE-2014-0862 — Critical (CVSS 10.0): Unspecified vulnerability in Jazz Team Server in IBM Rational Collaborative Lifecycle Management (CLM) 3.x before…
CVE-2017-1701 — High (CVSS 8.8): IBM Team Concert (RTC) 5.0, 5.0.1, 5.0.2, 6.0, 6.0.1, 6.0.2, 6.0.3, 6.0.4, and 6.0.5 stores credentials for users using…
CVE-2016-0326 — High (CVSS 8.8): IBM Rational Quality Manager (RQM) and Rational Collaborative Lifecycle Management 3.0.1.6 before iFix8, 4.x before…
CVE-2016-9707 — High (CVSS 8.1): IBM Jazz Foundation is vulnerable to a denial of service, caused by an XML External Entity Injection (XXE) error when…
CVE-2015-7440 — High (CVSS 7.8): IBM Rational Collaborative Lifecycle Management (CLM) 3.0.1 before 3.0.1.6 iFix7 Interim Fix 1, 4.0.x before 4.0.7…
CVE-2021-29774 — High (CVSS 7.5): IBM Jazz Team Server products could allow an authenticated user to obtain elevated privileges under certain…

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