# CVE-2025-53118: Securden Unified PAM Authentication Bypass

- Exploited (CISA KEV): no
- Published: 2025-08-25
- CVSS: 9.8 CRITICAL (v3.1)
- EPSS: 35.1% (98th percentile)
- CWE: CWE-306

An authentication bypass vulnerability exists which allows an unauthenticated attacker to control administrator backup functions, leading to compromise of passwords, secrets, and application session tokens stored by the Unified PAM.

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

| Vendor | Status | First rule | Days after publication |
|---|---|---|---|
| Cloudflare | No public claim | — | — |
| AWS | No public claim | — | — |
| Microsoft Azure | No public claim | — | — |
| Google Cloud | No public claim | — | — |
| Fastly | Before feed history | — | — |
| F5 | Rule published | 2026-09-16 | 387 |
| Akamai | No public source | — | — |
| OWASP CRS | No public claim | — | — |

### F5

- 2026-09-16 · new · rule 200009373
  > Added: signature 200009373 "Unified PAM Sensitive Information Disclosure" (Information Leakage, risk Medium), systems: Other Web Server. References: CVE-2025-53118.
  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-2025-53118, 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-2025-53118, 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-2025-53118 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2025-53118