How severe is CVE-2020-2258?

CVE-2020-2258 has a CVSS score of 4.3/10, rated MEDIUM. Review your exposure and patch according to your risk tolerance.

Which packages are affected by CVE-2020-2258?

CVE-2020-2258 affects the following packages: org.jenkins-ci.plugins:cloudbees-jenkins-advisor (Maven). Ecosystems affected: Maven.

How do I fix CVE-2020-2258?

Update org.jenkins-ci.plugins:cloudbees-jenkins-advisor to 3.2.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2020-2258 is resolved across your whole dependency graph.

How do I detect CVE-2020-2258 in my Maven dependencies?

Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.jenkins-ci.plugins:cloudbees-jenkins-advisor, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.

How do I mitigate CVE-2020-2258 if there is no patch (or I can't update yet)?

Put an independent control in front of the weakness: restrict the affected endpoint or interface to trusted networks, require an additional authentication factor or proxy-level check, and invalidate existing sessions and credentials in case the flaw has already been used.

Is CVE-2020-2258 actively exploited in the wild?

No public exploit code has been indexed for CVE-2020-2258 yet. This does not mean the vulnerability cannot be exploited — absence of public exploits does not imply safety. Apply the recommended fix and use O3 Security to monitor your exposure.

What is the EPSS score for CVE-2020-2258?

CVE-2020-2258 has an EPSS (Exploit Prediction Scoring System) score of 0.7%, placing it in the 53th percentile of all CVEs. EPSS is maintained by FIRST.org and estimates the probability that a vulnerability will be exploited in the wild within the next 30 days. This score indicates relatively lower exploitation probability, though the CVSS severity should still guide your patching priority.

What type of vulnerability is CVE-2020-2258?

CVE-2020-2258 is classified as CWE-863 (CWE-863). This weakness type describe the underlying flaw category, which helps determine the potential impact and the right class of mitigation.

When was CVE-2020-2258 published, and has it been updated?

CVE-2020-2258 was published on September 16, 2020 and was last updated on October 24, 2026. Advisory data evolves as severity scores, affected ranges, and exploit intelligence are revised — always check the latest version of the advisory before acting.

☕

☕ Maven

Not in CISA KEV

MEDIUM severity

CVE-2020-2258 — cloudbees-jenkins-advisor

MEDIUMFix: jenkinsci/cloudbees-jenkins-advisor-plugin@90f693a

CVE-2020-2258 is a medium-severity (CVSS 4.3) CWE-863 vulnerability in org.jenkins-ci.plugins:cloudbees-jenkins-advisor. A fix is available for org.jenkins-ci.plugins:cloudbees-jenkins-advisor — see the affected versions and patch details below.

Incorrect permission check in Health Advisor by CloudBees Plugin

Also known asGHSA-c445-xm3f-hmfh

Published

Sep 16, 2020

Updated

Oct 24, 2026

Affected

1 pkg

Patched

1 / 1

Exploits

None indexed

Exploitation data as of Nov 6, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗

0.7%probability of exploitation in next 30 days

Lower Risk0.00%

Lower risk than most CVEs53th percentile — riskier than 53% of all scored CVEsHighest risk

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

1 pkg affected

☕org.jenkins-ci.plugins:cloudbees-jenkins-advisor

Real-time download stats are indexed for npm and PyPI packages. This vulnerability affects Maven packages — download data is not available via public APIs for these ecosystems.

Description

Health Advisor by CloudBees Plugin 3.2.0 and earlier does not correctly perform a permission check in an HTTP endpoint.

This allows attackers with Overall/Read permission to view an administrative configuration page.

Health Advisor by CloudBees Plugin 3.2.1 requires Overall/Administer to view its administrative configuration page.

Affected Packages

1 total 1 fixed

Ecosystem	Package	Vulnerable range	Fix
☕Maven	`org.jenkins-ci.plugins:cloudbees-jenkins-advisor`	all versions	3.2.1`org.jenkins-ci.plugins:cloudbees-jenkins-advisor:3.2.1`

Affected Products

1 product · 1 configurations

Application

health advisor by cloudbeesjenkins

≤ 3.2.0

range

Detection & mitigation playbook

Open-source dependency

Detect
Scan your dependency tree (package-lock.json, pnpm-lock.yaml, requirements.txt, go.sum, etc.) for org.jenkins-ci.plugins:cloudbees-jenkins-advisor, including transitive dependencies — a direct dependency you never call can still pull in a vulnerable version.
Fix
Update org.jenkins-ci.plugins:cloudbees-jenkins-advisor to 3.2.1 or later, then make sure no transitive (indirect) dependency still pins the vulnerable range — O3 confirms CVE-2020-2258 is resolved across your whole dependency graph.
Workarounds
Put an independent control in front of the weakness: restrict the affected endpoint or interface to trusted networks, require an additional authentication factor or proxy-level check, and invalidate existing sessions and credentials in case the flaw has already been used.

Frequently Asked Questions

Health Advisor by CloudBees Plugin 3.2.0 and earlier does not correctly perform a permission check in an HTTP endpoint. This allows attackers with Overall/Read permission to view an administrative configuration page. Health Advisor by CloudBees Plugin 3.2.1 requires Overall/Administer to view its administrative configuration page.

O3 Security · Impact-Aware SCA

Is CVE-2020-2258 in your dependencies?

Find it across Maven, including transitive dependencies.

Scan my dependencies How O3 SCA works

CVSS Score

4.3/10CVSS v3 base

Vector breakdown

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Raw vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CWE Classification

CWE-863CWE-863

Weaponization

No Nuclei template, Metasploit module or public proof-of-concept found.

Timeline

Disclosed

Sep 16, 2020

Last updated

Oct 24, 2026

Identifiers

CVE-2020-2258

GHSA-c445-xm3f-hmfh

References

Advisoryopenwall.com Advisoryjenkins.io · 2020 09 16 Advisorynvd.nist.gov · CVE 2020 2258 Webgithub.com · 90f693a4b9fc60292463ecd7aa06c2c53d9dea30 Packagegithub.com · cloudbees jenkins advisor plugin

Related vulnerabilities

Also affects cloudbees-jenkins-advisor

This CVE is medium severity; 3 of 3 other CVEs affecting cloudbees-jenkins-advisor are rated as high or higher (top: high).

CVE-2025-47885CVE-2020-2093CVE-2020-2094

Same weakness: CWE-863

This CVE is medium severity; 5 of 5 other CVEs with CWE-863 are rated as high or higher (top: high).

CVE-2026-63198CVE-2026-88984CVE-2026-62662CVE-2026-55098GHSA-j656-3hf2-fvjcBrowse all CWE-863

Provenance

Sources

OSV.devNVDFIRST.org (EPSS)

Last verifiedOct 24, 2026

CVE-2020-2258 — cloudbees-jenkins-advisor

EPSS Exploitation Probability

How urgent is this, really

Where this sits among everything scored

Real-World Exposure

Description

Affected Packages

Affected Products

Detection & mitigation playbook

Detect

Fix

Workarounds

Frequently Asked Questions

Is CVE-2020-2258 in your dependencies?