# CVE-2023-38035: Ivanti Sentry Authentication Bypass Vulnerability

- Exploited (CISA KEV): yes, added 2023-08-22, known ransomware use
- Published: 2023-08-21
- CVSS: 9.8 CRITICAL (v3.1)
- EPSS: 100.0% (100th percentile)
- CWE: CWE-863

A security vulnerability in MICS Admin Portal in Ivanti MobileIron Sentry versions 9.18.0 and below, which may allow an attacker to bypass authentication controls on the administrative interface due to an insufficiently restrictive Apache HTTPD configuration.

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

| Vendor | Status | First rule | Days after publication |
|---|---|---|---|
| Cloudflare | Before feed history | — | — |
| AWS | No public claim | — | — |
| Microsoft Azure | No public claim | — | — |
| Google Cloud | Before feed history | — | — |
| Fastly | Before feed history | — | — |
| F5 | Rule published | 2024-03-12 | 204 |
| Akamai | No public source | — | — |
| OWASP CRS | No public claim | — | — |

### F5

- 2024-03-12 · new · rule 200103396
  > Added: signature 200103396 "Ivanti Sentry Remote Code Execution" (Command Execution, risk High), systems: Other Web Server. References: CVE-2023-38035.
  Source: https://docs.cloud.f5.com/docs-v2/platform/changelogs/security-details-changelog
- 2024-05-21 · new · rule 200103396
  > Added: signature 200103396 "Ivanti Sentry Remote Code Execution" (Command Execution, risk High), systems: Other Web Server. References: CVE-2023-38035.
  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: blocked (1 of 1 requests blocked), template CVE-2023-38035, 2026-11-02
- OWASP Core Rule Set 4.25.0, paranoia level 2, anomaly threshold 5, default CRS settings: blocked (1 of 1 requests blocked), template CVE-2023-38035, 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-2023-38035 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2023-38035