How severe is CVE-2019-1003040?

CVE-2019-1003040 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-2019-1003040 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-1003040?

CVE-2019-1003040 primarily affects Jenkins Script Security. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-1003040?

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-2019-1003040 published?

CVE-2019-1003040 was published on 2019-03-28 and last updated on 2026-06-17.

CVE-2019-1003040

CVE-2019-1003040 is a critical-severity vulnerability in Jenkins Script Security 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. The underlying weakness is classified as CWE-470.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-470
Affected product: Jenkins Script Security
Published: 2019-03-28
Last modified: 2026-06-17

Description

A sandbox bypass vulnerability in Jenkins Script Security Plugin 1.55 and earlier allows attackers to invoke arbitrary constructors in sandboxed scripts.

Frequently asked questions

What is CVE-2019-1003040?: A sandbox bypass vulnerability in Jenkins Script Security Plugin 1.55 and earlier allows attackers to invoke arbitrary constructors in sandboxed scripts.
How severe is CVE-2019-1003040?: CVE-2019-1003040 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-2019-1003040 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-1003040?: CVE-2019-1003040 primarily affects Jenkins Script Security. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-1003040?: 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-2019-1003040 published?: CVE-2019-1003040 was published on 2019-03-28 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:jenkins:script_security:*:*:*:*:*:jenkins:*:*
cpe:2.3:a:redhat:openshift_container_platform:3.11:*:*:*:*:*:*:*

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