Vulnerability · CVE-2023-28461
Array Networks AG and vxAG ArrayOS Missing Authentication for Critical Function Vulnerability
Published Mar 15, 2023 · catalog updated Aug 4, 2026 · Array Networks AG/vxAG ArrayOS
Patch now
CVE-2023-28461 is in the CISA known-exploited catalog, due Dec 16, 2024. Confirm Array Networks AG/vxAG ArrayOS against the vendor advisory and apply that fix. The CVSS score does not change the priority.
- Severity
- Critical9.8
- Known exploitation
- CISA KEV and VulnCheck KEV
- EPSS
- 68.08%
- Remediation
- Remediation guidance
- Affected products
- cpe arraynetworks/arrayos ag · stated AG/vxAG ArrayOS · vendor Array Networks AG/vxAG ArrayOS
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."
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe arraynetworks/arrayos agversion unspecified
- stated AG/vxAG ArrayOS<= 4.0.481
- vendor Array Networks AG/vxAG ArrayOSversion unspecified
How to fix CVE-2023-28461
Recommended remediation
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. CISA due date Dec 16, 2024.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
CVE-2023-28461 is in the CISA known-exploited catalog, due Dec 16, 2024. Confirm Array Networks AG/vxAG ArrayOS against the vendor advisory and apply that fix. The CVSS score does not change the priority.
Which versions are affected?
Compare what you have installed with AG/vxAG ArrayOS <= 4.0.481. Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
What should an analyst verify?
CWE-287: Improper Authentication; CWE-306: Missing Authentication for Critical Function. EPSS 68.08%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Mar 15, 2023 · Catalog
Detected
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."
Nov 25, 2024 · CISA KEV
Known exploited
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Dec 16, 2024 · CISA KEV
Remediation due
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Aug 4, 2026 · Catalog
Updated
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."
Sources
- CISA KEVConfirmed exploitationCVE-2023-28461
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.
cisa.gov - CVE.orgVulnerability recordCVE-2023-28461
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2023-28461
30-day exploitation probability 68.1%
first.org - NIST NVDVulnerability recordCVE-2023-28461
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
nvd.nist.gov - VulnCheck KEVConfirmed exploitationCVE-2023-28461
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.
vulncheck.com
References
- VulnCheck exploitation evidence · dashboard.shadowserver.org
- VulnCheck exploitation evidence · dashboard.shadowserver.org
- VulnCheck exploitation evidence · dashboard.shadowserver.org
- CISA note · nvd.nist.gov
- CISA note · support.arraynetworks.net
- US Government Resource · cisa.gov
- VulnCheck exploitation evidence · cisa.gov
- VulnCheck exploitation evidence · cybereason.com
- VulnCheck exploitation evidence · trendmicro.com
Freshness
Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.