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Exploited vulnerability · CISA KEV

Is CVE-2024-3400 exploited? Yes: in CISA KEV since 12 Apr 2024

Gociux · Palo Alto Networks PAN-OS · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2024-3400, Palo Alto Networks PAN-OS Command Injection Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 12 Apr 2024, the day it was published. It is known to be used in ransomware campaigns. It affects Palo Alto Networks PAN-OS, an internet-facing product of the kind attackers use for initial access. If you run it, CISA's required action is: Apply mitigations per vendor instructions as they become available. Otherwise, users with vulnerable versions of affected devices should enable Threat Prevention IDs available from the vendor. See the vendor bulletin for more details and a patch release schedule.

exploitedYesCISA KEV · 12 Apr 2024
ransomwareKnownused in campaigns
EPSStop 1%among the most likely CVEs to be exploited
severity10CVSS 3.1 · critical
US federal due19 Apr 2024BOD 22-01 deadline

What it is

Palo Alto Networks PAN-OS GlobalProtect feature contains a command injection vulnerability that allows an unauthenticated attacker to execute commands with root privileges on the firewall.

VendorPalo Alto Networks (16 exploited CVEs in KEV)
ProductPAN-OS
VulnerabilityPalo Alto Networks PAN-OS Command Injection Vulnerability
WeaknessCWE-20, CWE-77
Published12 Apr 2024
Added to KEV12 Apr 2024
Reported by (CNA)palo_alto

What to do

  1. Check whether you run it. Look for PAN-OS in your asset inventory, including appliances and cloud images. Stack check lists every exploited Palo Alto Networks CVE at once.
  2. Apply the fix. Apply mitigations per vendor instructions as they become available. Otherwise, users with vulnerable versions of affected devices should enable Threat Prevention IDs available from the vendor. See the vendor bulletin for more details and a patch release schedule.
  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 12 Apr 2024.
  4. Get told next time. Email alerts when CISA adds a CVE for Palo Alto Networks.

Other exploited CVEs in PAN-OS

References

Questions

Is CVE-2024-3400 being exploited?

Yes. CISA added CVE-2024-3400 to the Known Exploited Vulnerabilities catalog on 12 Apr 2024, which means there is reliable evidence of exploitation in the wild.

Is CVE-2024-3400 used in ransomware attacks?

Yes, CISA lists it as known to be used in ransomware campaigns.

How do I fix CVE-2024-3400?

Apply mitigations per vendor instructions as they become available. Otherwise, users with vulnerable versions of affected devices should enable Threat Prevention IDs available from the vendor. See the vendor bulletin for more details and a patch release schedule. Check Palo Alto Networks's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected PAN-OS 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 April 2024 · Palo Alto Networks scorecard · act-now radar.

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