How severe is CVE-2020-2110?

CVE-2020-2110 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-2110 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-2110?

CVE-2020-2110 affects Jenkins Script Security. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-2110?

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-2020-2110 published?

CVE-2020-2110 was published on 2020-02-12 and last updated on 2026-06-17.

CVE-2020-2110

CVE-2020-2110 is a high-severity vulnerability in Jenkins Script Security with a CVSS 3.x base score of 8.8. 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-20.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Jenkins Script Security
Published: 2020-02-12
Last modified: 2026-06-17

Description

Sandbox protection in Jenkins Script Security Plugin 1.69 and earlier could be circumvented during the script compilation phase by applying AST transforming annotations to imports or by using them inside of other annotations.

Frequently asked questions

What is CVE-2020-2110?: Sandbox protection in Jenkins Script Security Plugin 1.69 and earlier could be circumvented during the script compilation phase by applying AST transforming annotations to imports or by using them inside of other annotations.
How severe is CVE-2020-2110?: CVE-2020-2110 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-2110 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-2110?: CVE-2020-2110 affects Jenkins Script Security. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-2110?: 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-2020-2110 published?: CVE-2020-2110 was published on 2020-02-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:jenkins:script_security:*:*:*:*:*:jenkins:*:*

More vulnerabilities in Jenkins Script Security

CVE-2022-43404 — Critical (CVSS 9.9): A sandbox bypass vulnerability involving crafted constructor bodies and calls to sandbox-generated synthetic…
CVE-2022-43403 — Critical (CVSS 9.9): A sandbox bypass vulnerability involving casting an array-like value to an array type in Jenkins Script Security Plugin…
CVE-2022-43401 — Critical (CVSS 9.9): A sandbox bypass vulnerability involving various casts performed implicitly by the Groovy language runtime in Jenkins…
CVE-2020-2279 — Critical (CVSS 9.9): A sandbox bypass vulnerability in Jenkins Script Security Plugin 1.74 and earlier allows attackers with permission to…
CVE-2019-10431 — Critical (CVSS 9.9): A sandbox bypass vulnerability in Jenkins Script Security Plugin 1.64 and earlier related to the handling of default…
CVE-2019-1003029 — Critical (CVSS 9.9): A sandbox bypass vulnerability exists in Jenkins Script Security Plugin 1.53 and earlier in…

All CVEs affecting Jenkins Script Security →

Other CWE-20 (Improper Input Validation) vulnerabilities

CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48277 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48055 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download any video media. In versions 2.4.0 and…
CVE-2026-34910 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS…
CVE-2026-33587 — Critical (CVSS 10.0): Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and…

Browse all CWE-20 (Improper Input Validation) vulnerabilities →