How severe is CVE-2018-1546?

CVE-2018-1546 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2018-1546 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-1546?

CVE-2018-1546 affects Ibm Api Connect. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-1546?

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

When was CVE-2018-1546 published?

CVE-2018-1546 was published on 2018-07-06 and last updated on 2026-06-17.

CVE-2018-1546

CVE-2018-1546 is a medium-severity vulnerability in Ibm Api Connect with a CVSS 3.x base score of 5.9. 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-200.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v2: 4.3
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Ibm Api Connect
Published: 2018-07-06
Last modified: 2026-06-17

Description

IBM API Connect 5.0.0.0 through 5.0.8.3 could allow a remote attacker to obtain sensitive information, caused by the failure to properly enable HTTP Strict Transport Security. An attacker could exploit this vulnerability to obtain sensitive information using man in the middle techniques. IBM X-Force ID: 142650.

Frequently asked questions

What is CVE-2018-1546?: IBM API Connect 5.0.0.0 through 5.0.8.3 could allow a remote attacker to obtain sensitive information, caused by the failure to properly enable HTTP Strict Transport Security. An attacker could exploit this vulnerability to obtain sensitive information using man in the middle techniques. IBM X-Force ID: 142650.
How severe is CVE-2018-1546?: CVE-2018-1546 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2018-1546 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-1546?: CVE-2018-1546 affects Ibm Api Connect. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-1546?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-1546 published?: CVE-2018-1546 was published on 2018-07-06 and last updated on 2026-06-17.

References

Affected products (1)

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

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