# CVE-2025-0282: Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow Vulnerability

- Exploited (CISA KEV): yes, added 2025-01-08, known ransomware use
- Published: 2025-01-08
- CVSS: 9 CRITICAL (v3.1)
- EPSS: 100.0% (100th percentile)
- CWE: CWE-121

A stack-based buffer overflow in Ivanti Connect Secure before version 22.7R2.5, Ivanti Policy Secure before version 22.7R1.2, and Ivanti Neurons for ZTA gateways before version 22.7R2.3 allows a remote unauthenticated attacker to achieve remote code execution.

## Edge WAF coverage (claimed by vendors, not measured)

| Vendor | Status | First rule | Days after publication |
|---|---|---|---|
| Cloudflare | Blocks by default | 2025-03-10 | 61 |
| AWS | No public claim | — | — |
| Microsoft Azure | No public claim | — | — |
| Google Cloud | No public claim | — | — |
| Fastly | Before feed history | — | — |
| F5 | Rule published | 2025-03-11 | 62 |
| Akamai | No public source | — | — |
| OWASP CRS | No public claim | — | — |

### Cloudflare

- 2025-03-10 · new · rule d4f68c1c65c448e58fe4830eb2a51e3d · default Block
  > Ivanti - Information Disclosure - CVE:CVE-2025-0282. Previous action: Log. New action: Block. This is a New Detection
  Source: https://developers.cloudflare.com/changelog/post/2025-03-10-waf-release/

### F5

- 2025-03-11 · new · rule 200011098
  > Added: signature 200011098 "Ivanti Connect Secure Buffer Overflow" (Buffer Overflow, risk High), systems: Other Web Server. References: CVE-2025-0282.
  Source: https://docs.cloud.f5.com/docs-v2/platform/changelogs/security-details-changelog

## Our test (measured)

- OWASP Core Rule Set 4.25.0, paranoia level 1, anomaly threshold 5, default CRS settings: passed (0 of 3 requests blocked), template CVE-2025-0282, 2026-11-02
- OWASP Core Rule Set 4.25.0, paranoia level 2, anomaly threshold 5, default CRS settings: passed (0 of 3 requests blocked), template CVE-2025-0282, 2026-11-02

"No public claim" means no vendor statement names this CVE; "Before feed history" means the CVE is older than the vendor feed. In both cases generic rules may still block it.

HTML: https://cve.vigilbase.com/cve/CVE-2025-0282 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2025-0282