CVE-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. The 2023-03-09 vendor advisory stated "a new Array AG release with the fix will be available soon."
do firstApply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Can a WAF block it? Partly. Cloudflare publishes WAF a rule written for this CVE. Such rules block the known exploit requests and buy time, but attackers can change the request to get past them, so they do not replace the patch.
Cloudflare · 1 rule (Block) · since 6 Jan 2025
- Array Networks - Remote Code Execution - CVE:CVE-2023-28461 · Cloudflare Specials
Also consider: patch · enable the vendor rule in block mode · add auth middleware
Based on WAF vendor rules published for this CVE. We check Cloudflare, AWS, Google Cloud Armor and Azure; for Akamai, Imperva, Fastly, F5, ask your vendor.
Is CVE-2023-28461 being exploited?
Yes. CVE-2023-28461 appears in CISA's Known Exploited Vulnerabilities catalog, which means exploitation in the wild has been confirmed and reported. Treat it as active rather than theoretical, and patch it ahead of higher-scoring vulnerabilities that carry no exploitation evidence.
How severe is CVE-2023-28461?
CVE-2023-28461 is rated Critical with a CVSS score of 9.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2023-28461?
Yes. A fix has been recorded for CVE-2023-28461. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2023-28461 affect?
CVE-2023-28461 affects arraynetworks:arrayos_ag. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
cisa ssvc
- exploitation
- active
- automatable
- yes
- technical impact
- total
Assessed by CISA 25 Nov 2024 (SSVC 2.0.3).
timeline
- 15 Mar 2023Published
- 25 Nov 2024Added to CISA KEV (exploited in the wild) · 620 days (about 2 years) later
- 25 Nov 2024CISA SSVC assessment: exploitation active · same day later
- 16 Dec 2024CISA remediation due date (US federal agencies) · 21 days later
- 5 Aug 2026CVE record last updated · 597 days (about 2 years) later
- 2 Nov 2026Analysed by vulneraibility.com · 90 days (about 3 months) later
- Linksupport.arraynetworks.net /prx/001/http/supportportal.arraynetworks.net/documentation/FieldNotice/Array_Ne
- Linkcisa.gov /known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-28461
sources
- CVE List (CVE.org): description, affected versions, references; CVE Terms of Use
- NVD: CVSS and CPE data
- CISA KEV catalog: exploitation, date added, due date
- CISA Vulnrichment (ADP): SSVC decision points
- FIRST EPSS: exploit probability and percentile
- Summary, impact and triage tags: written by our AI analysis pipeline from the sources above. Check them against the sources.