How severe is CVE-2016-9081?

CVE-2016-9081 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2016-9081 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-9081?

CVE-2016-9081 primarily affects Joomla Joomla!. In total, 33 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-9081?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2016-9081 published?

CVE-2016-9081 was published on 2017-01-23 and last updated on 2026-06-17.

CVE-2016-9081

CVE-2016-9081 is a critical-severity vulnerability in Joomla Joomla! with a CVSS 3.x base score of 9.8. 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-255.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-255
Affected product: Joomla Joomla!
Published: 2017-01-23
Last modified: 2026-06-17

Description

Joomla! 3.4.4 through 3.6.3 allows attackers to reset username, password, and user group assignments and possibly perform other user account modifications via unspecified vectors.

Frequently asked questions

What is CVE-2016-9081?: Joomla! 3.4.4 through 3.6.3 allows attackers to reset username, password, and user group assignments and possibly perform other user account modifications via unspecified vectors.
How severe is CVE-2016-9081?: CVE-2016-9081 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2016-9081 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-9081?: CVE-2016-9081 primarily affects Joomla Joomla!. In total, 33 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-9081?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2016-9081 published?: CVE-2016-9081 was published on 2017-01-23 and last updated on 2026-06-17.

References

Affected products (33)

cpe:2.3:a:joomla:joomla\!:3.4.4:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:3.4.5:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:3.4.6:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:3.4.7:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:3.4.8:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:3.4.8:rc:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:3.5.0:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:3.5.0:beta:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:3.5.0:beta2:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:3.5.0:beta3:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:3.5.0:beta4:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:3.5.0:beta5:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:3.5.0:rc:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:3.5.0:rc2:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:3.5.0:rc3:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:3.5.0:rc4:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:3.5.1:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:3.5.1:rc:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:3.5.1:rc2:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:3.6.0:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:3.6.0:alpha:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:3.6.0:beta1:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:3.6.0:beta2:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:3.6.0:rc:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:3.6.0:rc2:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:3.6.1:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:3.6.1:rc1:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:3.6.1:rc2:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:3.6.2:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:3.6.3:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:3.6.3:rc1:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:3.6.3:rc2:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:3.6.3:rc3:*:*:*:*:*:*

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CVE-2014-7233 — Critical (CVSS 10.0): GE Healthcare Precision THUNIS-800+ has a default password of (1) 1973 for the factory default System Utilities menu,…
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