How severe is CVE-2021-44659?

CVE-2021-44659 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-2021-44659 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-44659?

CVE-2021-44659 affects Thoughtworks Gocd. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-44659?

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-2021-44659 published?

CVE-2021-44659 was published on 2021-12-22 and last updated on 2026-06-17.

CVE-2021-44659

CVE-2021-44659 is a critical-severity vulnerability in Thoughtworks Gocd 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-918.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Thoughtworks Gocd
Published: 2021-12-22
Last modified: 2026-06-17

Description

Adding a new pipeline in GoCD server version 21.3.0 has a functionality that could be abused to do an un-intended action in order to achieve a Server Side Request Forgery (SSRF). NOTE: the vendor's position is that the observed behavior is not a vulnerability, because the product's design allows an admin to configure outbound requests

Frequently asked questions

What is CVE-2021-44659?: Adding a new pipeline in GoCD server version 21.3.0 has a functionality that could be abused to do an un-intended action in order to achieve a Server Side Request Forgery (SSRF). NOTE: the vendor's position is that the observed behavior is not a vulnerability, because the product's design allows an admin to configure outbound requests
How severe is CVE-2021-44659?: CVE-2021-44659 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-2021-44659 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-44659?: CVE-2021-44659 affects Thoughtworks Gocd. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-44659?: 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-2021-44659 published?: CVE-2021-44659 was published on 2021-12-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:thoughtworks:gocd:21.3.0:*:*:*:*:*:*:*

More vulnerabilities in Thoughtworks Gocd

CVE-2021-43290 — Critical (CVSS 9.8): An issue was discovered in ThoughtWorks GoCD before 21.3.0. An attacker who has compromised a GoCD agent can upload a…
CVE-2022-39311 — Critical (CVSS 9.1): GoCD is a continuous delivery server. GoCD helps you automate and streamline the build-test-release cycle for…
CVE-2024-56320 — High (CVSS 8.8): GoCD is a continuous deliver server. GoCD versions prior to 24.5.0 are vulnerable to admin privilege escalation due to…
CVE-2022-29184 — High (CVSS 8.8): GoCD is a continuous delivery server. In GoCD versions prior to 22.1.0, it is possible for existing authenticated users…
CVE-2021-43286 — High (CVSS 8.8): An issue was discovered in ThoughtWorks GoCD before 21.3.0. An attacker with privileges to create a new pipeline on a…
CVE-2021-25924 — High (CVSS 8.8): In GoCD, versions 19.6.0 to 21.1.0 are vulnerable to Cross-Site Request Forgery due to missing CSRF protection at the…

All CVEs affecting Thoughtworks Gocd →

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