How severe is CVE-2018-11757?

CVE-2018-11757 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-2018-11757 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-11757?

CVE-2018-11757 affects Apache Openwhisk. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-11757?

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-2018-11757 published?

CVE-2018-11757 was published on 2018-07-23 and last updated on 2026-06-17.

CVE-2018-11757

CVE-2018-11757 is a critical-severity vulnerability in Apache Openwhisk with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 7% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Apache Openwhisk
Published: 2018-07-23
Last modified: 2026-06-17

Description

In Docker Skeleton Runtime for Apache OpenWhisk, a Docker action inheriting the Docker tag openwhisk/dockerskeleton:1.3.0 (or earlier) may allow an attacker to replace the user function inside the container if the user code is vulnerable to code exploitation.

Frequently asked questions

What is CVE-2018-11757?: In Docker Skeleton Runtime for Apache OpenWhisk, a Docker action inheriting the Docker tag openwhisk/dockerskeleton:1.3.0 (or earlier) may allow an attacker to replace the user function inside the container if the user code is vulnerable to code exploitation.
How severe is CVE-2018-11757?: CVE-2018-11757 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-2018-11757 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-11757?: CVE-2018-11757 affects Apache Openwhisk. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-11757?: 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-2018-11757 published?: CVE-2018-11757 was published on 2018-07-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:apache:openwhisk:*:*:*:*:*:*:*:*

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