How severe is CVE-2018-15691?

CVE-2018-15691 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-15691 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 17% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-15691?

CVE-2018-15691 affects Broadcom Release Automation. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-15691?

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

When was CVE-2018-15691 published?

CVE-2018-15691 was published on 2018-08-30 and last updated on 2026-06-17.

CVE-2018-15691

CVE-2018-15691 is a critical-severity vulnerability in Broadcom Release Automation with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 17% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-502.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 17% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Broadcom Release Automation
Published: 2018-08-30
Last modified: 2026-06-17

Description

Insecure deserialization of a specially crafted serialized object, in CA Release Automation 6.5 and earlier, allows attackers to potentially execute arbitrary code.

Frequently asked questions

What is CVE-2018-15691?: Insecure deserialization of a specially crafted serialized object, in CA Release Automation 6.5 and earlier, allows attackers to potentially execute arbitrary code.
How severe is CVE-2018-15691?: CVE-2018-15691 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-15691 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 17% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-15691?: CVE-2018-15691 affects Broadcom Release Automation. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-15691?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-15691 published?: CVE-2018-15691 was published on 2018-08-30 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:broadcom:release_automation:*:*:*:*:*:*:*:*

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