How severe is CVE-2018-1000422?

CVE-2018-1000422 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 none, integrity high, and availability none.

Is CVE-2018-1000422 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-1000422?

CVE-2018-1000422 affects Atlassian Crowd2. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-1000422?

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

When was CVE-2018-1000422 published?

CVE-2018-1000422 was published on 2019-01-09 and last updated on 2026-06-17.

CVE-2018-1000422

CVE-2018-1000422 is a medium-severity vulnerability in Atlassian Crowd2 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-918.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 4.0
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-918
Affected product: Atlassian Crowd2
Published: 2019-01-09
Last modified: 2026-06-17

Description

An improper authorization vulnerability exists in Jenkins Crowd 2 Integration Plugin 2.0.0 and earlier in CrowdSecurityRealm.java that allows attackers to have Jenkins perform a connection test, connecting to an attacker-specified server with attacker-specified credentials and connection settings.

Frequently asked questions

What is CVE-2018-1000422?: An improper authorization vulnerability exists in Jenkins Crowd 2 Integration Plugin 2.0.0 and earlier in CrowdSecurityRealm.java that allows attackers to have Jenkins perform a connection test, connecting to an attacker-specified server with attacker-specified credentials and connection settings.
How severe is CVE-2018-1000422?: CVE-2018-1000422 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 none, integrity high, and availability none.
Is CVE-2018-1000422 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-1000422?: CVE-2018-1000422 affects Atlassian Crowd2. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-1000422?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-1000422 published?: CVE-2018-1000422 was published on 2019-01-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:atlassian:crowd2:*:*:*:*:*:jenkins:*:*

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