How severe is CVE-2018-1896?

CVE-2018-1896 has a CVSS 3.x base score of 4.6, 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-2018-1896 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-1896?

CVE-2018-1896 primarily affects Ibm Connections. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-1896?

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

When was CVE-2018-1896 published?

CVE-2018-1896 was published on 2018-12-07 and last updated on 2026-06-17.

CVE-2018-1896

CVE-2018-1896 is a medium-severity vulnerability in Ibm Connections with a CVSS 3.x base score of 4.6. 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-74.

Key facts

Severity: Medium (CVSS 3.x base score 4.6)
CVSS v2: 3.5
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-74
Affected product: Ibm Connections
Published: 2018-12-07
Last modified: 2026-06-17

Description

IBM Connections 5.0, 5.5, and 6.0 is vulnerable to possible host header injection attack that could cause navigation to the attacker's domain. IBM X-Force ID: 152456.

Frequently asked questions

What is CVE-2018-1896?: IBM Connections 5.0, 5.5, and 6.0 is vulnerable to possible host header injection attack that could cause navigation to the attacker's domain. IBM X-Force ID: 152456.
How severe is CVE-2018-1896?: CVE-2018-1896 has a CVSS 3.x base score of 4.6, 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-2018-1896 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-1896?: CVE-2018-1896 primarily affects Ibm Connections. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-1896?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-1896 published?: CVE-2018-1896 was published on 2018-12-07 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:ibm:connections:5.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:connections:5.5:*:*:*:*:*:*:*
cpe:2.3:a:ibm:connections:6.0:*:*:*:*:*:*:*

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