How severe is CVE-2020-35614?

CVE-2020-35614 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2020-35614 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-35614?

CVE-2020-35614 affects Joomla Joomla!. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-35614?

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

When was CVE-2020-35614 published?

CVE-2020-35614 was published on 2020-12-28 and last updated on 2026-06-17.

CVE-2020-35614

CVE-2020-35614 is a medium-severity vulnerability in Joomla Joomla! with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Joomla Joomla!
Published: 2020-12-28
Last modified: 2026-06-17

Description

An issue was discovered in Joomla! 3.9.0 through 3.9.22. Improper handling of the username leads to a user enumeration attack vector in the backend login page.

Frequently asked questions

What is CVE-2020-35614?: An issue was discovered in Joomla! 3.9.0 through 3.9.22. Improper handling of the username leads to a user enumeration attack vector in the backend login page.
How severe is CVE-2020-35614?: CVE-2020-35614 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2020-35614 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-35614?: CVE-2020-35614 affects Joomla Joomla!. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-35614?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-35614 published?: CVE-2020-35614 was published on 2020-12-28 and last updated on 2026-06-17.

References

https://developer.joomla.org/security-centre/832-20201105-core-user-enumeration-in-backend-login.html

Affected products (1)

cpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*

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