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CVE-2023-28461

Array Networks AG and vxAG ArrayOS Missing Authentication for Critical Function

9.8 CRITICALActively exploited (CISA KEV)Used in ransomwareEPSS 68.1%
  1. Published15 Mar 2023
  2. Added to CISA KEV25 Nov 2024
  3. Remediation due16 Dec 2024
Actively exploited (CISA KEV)

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.

Added to KEV: 25 Nov 2024Federal remediation due: 16 Dec 2024Used in ransomware

Description

Array Networks Array AG Series and vxAG (9.4.0.481 and earlier) allow remote code execution. An attacker can browse the filesystem on the SSL VPN gateway using a flags attribute in an HTTP header without authentication. The product could then be exploited through a vulnerable URL. The 2023-03-09 vendor advisory stated "a new Array AG release with the fix will be available soon."

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Arraynetworks Arrayos Ag≤ 9.4.0.481

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

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Frequently asked

Is CVE-2023-28461 being actively exploited?

Yes. CVE-2023-28461 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 25 Nov 2024. It has been used in ransomware campaigns.

How severe is CVE-2023-28461?

CVE-2023-28461 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 68.1% probability of exploitation.

Which products are affected by CVE-2023-28461?

Affected products include Arraynetworks Arrayos Ag.

How do I fix CVE-2023-28461?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2023-28461 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.