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Exploited vulnerability · CISA KEV

Is CVE-2023-23752 exploited? Yes: in CISA KEV since 8 Jan 2024

Gociux · Joomla! · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2023-23752, Joomla! Improper Access Control Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 8 Jan 2024, 326 days after it was published. It affects Joomla!. If you run it, CISA's required action is: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

exploitedYesCISA KEV · 8 Jan 2024
ransomwareNot knownno confirmed use
EPSStop 1%among the most likely CVEs to be exploited
severity5.3CVSS 3.1 · medium
US federal due29 Jan 2024BOD 22-01 deadline

What it is

Joomla! contains an improper access control vulnerability that allows unauthorized access to webservice endpoints.

VendorJoomla! (1 exploited CVE in KEV)
ProductJoomla!
VulnerabilityJoomla! Improper Access Control Vulnerability
WeaknessCWE-284
Published16 Feb 2023
Added to KEV8 Jan 2024
Reported by (CNA)Joomla

What to do

  1. Check whether you run it. Look for Joomla! in your asset inventory, including appliances and cloud images. Stack check lists every exploited Joomla! CVE at once.
  2. Apply the fix. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
  3. If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 16 Feb 2023.
  4. Get told next time. Email alerts when CISA adds a CVE for Joomla!.

References

Questions

Is CVE-2023-23752 being exploited?

Yes. CISA added CVE-2023-23752 to the Known Exploited Vulnerabilities catalog on 8 Jan 2024, which means there is reliable evidence of exploitation in the wild.

Is CVE-2023-23752 used in ransomware attacks?

CISA does not list known ransomware use for it. That can change, and exploitation alone is reason to fix it first.

How do I fix CVE-2023-23752?

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. Check Joomla!'s advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected Joomla! and watch it for signs of compromise.

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in January 2024 · act-now radar.

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