# CVE-2022-42004: CVE-2022-42004

- Exploited (CISA KEV): no
- Published: 2022-10-02
- CVSS: 7.5 HIGH (v3.1)
- EPSS: 3.4% (89th percentile)

In FasterXML jackson-databind before 2.13.4, resource exhaustion can occur because of a lack of a check in BeanDeserializer._deserializeFromArray to prevent use of deeply nested arrays. An application is vulnerable only with certain customized choices for deserialization.

## 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 | 2023-01-17 | 107 |
| Akamai | No public source | — | — |
| OWASP CRS | No public claim | — | — |

### F5

- 2023-01-17 · new · rule 200012080
  > Added: signature 200012080 "FasterXML jackson-databind Denial of Service" (Denial of Service, risk Medium), systems: Java Servlets/JSP, JavaServer Faces (JSF). References: CVE-2022-42004.
  Source: https://docs.cloud.f5.com/docs-v2/platform/changelogs/security-details-changelog
- 2023-02-14 · new · rule 200012080
  > Added: signature 200012080 "FasterXML jackson-databind Denial of Service" (Denial of Service, risk Medium), systems: Java Servlets/JSP, JavaServer Faces (JSF). References: CVE-2022-42004.
  Source: https://docs.cloud.f5.com/docs-v2/platform/changelogs/security-details-changelog

"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-2022-42004 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2022-42004