How severe is CVE-2018-1973?

CVE-2018-1973 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-1973 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-1973?

CVE-2018-1973 affects Ibm Api Connect. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-1973?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-1973 published?

CVE-2018-1973 was published on 2018-12-20 and last updated on 2026-06-17.

CVE-2018-1973

CVE-2018-1973 is a high-severity vulnerability in Ibm Api Connect with a CVSS 3.x base score of 7.2. 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-269.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v2: 9.0
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Ibm Api Connect
Published: 2018-12-20
Last modified: 2026-06-17

Description

IBM API Connect 5.0.0.0 through 5.0.8.4 allows a user with limited 'API Administrator level access to give themselves full 'Administrator' level access through the members functionality. IBM X-Force ID: 153914.

Frequently asked questions

What is CVE-2018-1973?: IBM API Connect 5.0.0.0 through 5.0.8.4 allows a user with limited 'API Administrator level access to give themselves full 'Administrator' level access through the members functionality. IBM X-Force ID: 153914.
How severe is CVE-2018-1973?: CVE-2018-1973 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-1973 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-1973?: CVE-2018-1973 affects Ibm Api Connect. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-1973?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-1973 published?: CVE-2018-1973 was published on 2018-12-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ibm:api_connect:*:*:*:*:*:*:*:*

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