How severe is CVE-2018-1000176?

CVE-2018-1000176 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2018-1000176 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-1000176?

CVE-2018-1000176 affects Jenkins Email Extension. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-1000176?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-1000176 published?

CVE-2018-1000176 was published on 2018-05-08 and last updated on 2026-06-17.

CVE-2018-1000176

CVE-2018-1000176 is a medium-severity vulnerability in Jenkins Email Extension with a CVSS 3.x base score of 6.5. 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-200.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Jenkins Email Extension
Published: 2018-05-08
Last modified: 2026-06-17

Description

An exposure of sensitive information vulnerability exists in Jenkins Email Extension Plugin 2.61 and older in src/main/resources/hudson/plugins/emailext/ExtendedEmailPublisher/global.groovy and ExtendedEmailPublisherDescriptor.java that allows attackers with control of a Jenkins administrator's web browser (e.g. malicious extension) to retrieve the configured SMTP password.

Frequently asked questions

What is CVE-2018-1000176?: An exposure of sensitive information vulnerability exists in Jenkins Email Extension Plugin 2.61 and older in src/main/resources/hudson/plugins/emailext/ExtendedEmailPublisher/global.groovy and ExtendedEmailPublisherDescriptor.java that allows attackers with control of a Jenkins administrator's web browser (e.g. malicious extension) to retrieve the configured SMTP password.
How severe is CVE-2018-1000176?: CVE-2018-1000176 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2018-1000176 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-1000176?: CVE-2018-1000176 affects Jenkins Email Extension. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-1000176?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-1000176 published?: CVE-2018-1000176 was published on 2018-05-08 and last updated on 2026-06-17.

References

https://jenkins.io/security/advisory/2018-04-16/

Affected products (1)

cpe:2.3:a:jenkins:email_extension:*:*:*:*:*:jenkins:*:*

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