How severe is CVE-2020-23811?

CVE-2020-23811 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2020-23811 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-23811?

CVE-2020-23811 affects Xuxueli Xxl-job. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-23811?

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-2020-23811 published?

CVE-2020-23811 was published on 2020-09-03 and last updated on 2026-06-17.

CVE-2020-23811

CVE-2020-23811 is a high-severity vulnerability in Xuxueli Xxl-job with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Xuxueli Xxl-job
Published: 2020-09-03
Last modified: 2026-06-17

Description

xxl-job 2.2.0 allows Information Disclosure of username, model, and password via job/admin/controller/UserController.java.

Frequently asked questions

What is CVE-2020-23811?: xxl-job 2.2.0 allows Information Disclosure of username, model, and password via job/admin/controller/UserController.java.
How severe is CVE-2020-23811?: CVE-2020-23811 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2020-23811 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-23811?: CVE-2020-23811 affects Xuxueli Xxl-job. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-23811?: 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-2020-23811 published?: CVE-2020-23811 was published on 2020-09-03 and last updated on 2026-06-17.

References

https://www.ccsq8.com/issues.html

Affected products (1)

cpe:2.3:a:xuxueli:xxl-job:2.2.0:*:*:*:*:*:*:*

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