# CVE-2018-20608: CVE-2018-20608

- Exploited (CISA KEV): no
- Published: 2018-12-30
- CVSS: not scored
- EPSS: 12.1% (96th percentile)

imcat 4.4 allows remote attackers to read phpinfo output via the root/tools/adbug/binfo.php?phpinfo1 URI.

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

| Vendor | Status | First rule | Days after publication |
|---|---|---|---|
| Cloudflare | Before feed history | — | — |
| AWS | Before feed history | — | — |
| Microsoft Azure | No public claim | — | — |
| Google Cloud | Before feed history | — | — |
| Fastly | Before feed history | — | — |
| F5 | Rule published | 2024-03-12 | 1899 |
| Akamai | No public source | — | — |
| OWASP CRS | Before feed history | — | — |

### F5

- 2024-03-12 · new · rule 200009295
  > Added: signature 200009295 "imcat Sensitive Information Disclosure" (Information Leakage, risk Medium), systems: PHP. References: CVE-2018-20608.
  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 1 requests blocked), template CVE-2018-20608, 2026-11-02
- OWASP Core Rule Set 4.25.0, paranoia level 2, anomaly threshold 5, default CRS settings: passed (0 of 1 requests blocked), template CVE-2018-20608, 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-2018-20608 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2018-20608