An issue was discovered in Nginx NJS v0.7.5. The JUMP offset for a break instruction was not set to a correct offset during code generation, leading to a segmentation violation.
Conclusion & alert: CVE-2022-35173 is rated High Exploit Risk (65.3/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.38%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-08-25 | 0.54% | 0.38% | -0.17% |
| 2 | 2025-08-19 | 0.10% | 0.54% | +0.44% |
| 3 | 2025-03-30 | — | 0.10% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| URL | Tags |
|---|---|
| http://hg.nginx.org/njs/rev/b7c4e0f714a9 | Patch Third Party Advisory |
| https://github.com/nginx/njs/commit/404553896792b8f5f429dc8852d15784a59d8d3e | Patch Third Party Advisory |
| https://github.com/nginx/njs/issues/553 | Exploit Issue Tracking Third Party Advisory |