Exploited vulnerability · CISA KEV

Is CVE-2023-28461 exploited? Yes: in CISA KEV since 25 Nov 2024

Gociux · Array Networks AG/vxAG ArrayOS · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2023-28461, Array Networks AG and vxAG ArrayOS Missing Authentication for Critical Function Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 25 Nov 2024, 621 days after it was published. It is known to be used in ransomware campaigns. It affects Array Networks AG/vxAG ArrayOS, 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 or discontinue use of the product if mitigations are unavailable.

What it is

Array Networks AG and vxAG ArrayOS contain a missing authentication for critical function vulnerability that allows an attacker to read local files and execute code on the SSL VPN gateway.

What to do

1. Check whether you run it. Look for AG/vxAG ArrayOS in your asset inventory, including appliances and cloud images. Stack check lists every exploited Array Networks 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 15 Mar 2023.
4. Get told next time. Email alerts when CISA adds a CVE for Array Networks.

References

• support.arraynetworks.net/prx/001/http/supportportal.arraynetworks.net/documentation/
• nvd.nist.gov/vuln/detail/CVE-2023-28461

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 November 2024 · Array Networks scorecard · act-now radar.