An issue in Jerrscript- project Jerryscrip v. 2.3.0 allows a remote attacker to execute arbitrary code via the ecma_builtin_array_prototype_object_slice parameter.
Conclusion & alert: CVE-2020-22597 is rated High Exploit Risk (82/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 1.16%). 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 | 2026-03-28 | 0.87% | 1.16% | +0.29% |
| 2 | 2025-11-21 | 1.59% | 0.87% | -0.73% |
| 3 | 2025-11-18 | — | 1.59% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
ubuntu
|
medium | CVE-2020-22597 medium priority: Ubuntu including 1 source packages (iotjs), 13 status rows across 13 suites (bionic, focal, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): DNE 8, needs-triage 3, ignored 2. | https://ubuntu.com/security/CVE-2020-22597 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| jerryscript | jerryscript | 2.3.0 | cpe:2.3:a:jerryscript:jerryscript:2.3.0:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://github.com/jerryscript-project/jerryscript/issues/3637 | Exploit Issue Tracking Patch |