# CVE-2025-57789: Vulnerability in Initial Administrator Login Process

- Exploited (CISA KEV): no
- Published: 2025-08-20
- CVSS: 5.3 MEDIUM (v4.0)
- EPSS: 1.2% (69th percentile)
- CWE: CWE-257

During the brief window between installation and the first administrator login, remote attackers may exploit the default credential to gain admin control. This is limited to the setup phase, before any jobs have been configured.

## 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 | 2025-12-03 | 105 |
| Akamai | No public source | — | — |
| OWASP CRS | No public claim | — | — |

### F5

- 2025-12-03 · new · rule 200013133
  > Added: signature 200013133 "CommVault Authentication Bypass" (Authentication/Authorization Attacks, risk High), systems: Java Servlets/JSP, Apache Tomcat. References: CVE-2025-57789.
  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 2 requests blocked), template CVE-2025-57789, 2026-11-02
- OWASP Core Rule Set 4.25.0, paranoia level 2, anomaly threshold 5, default CRS settings: partial (1 of 2 requests blocked), template CVE-2025-57789, 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-2025-57789 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2025-57789