Prototype 1.6.0.1 allows remote authenticated users to forge ticket creation (on behalf of other user accounts) via a modified email ID field.
Conclusion & alert: CVE-2020-7993 is rated Low Risk (35.2/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.75%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
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 | 2026-06-15 | 0.22% | 0.75% | +0.53% |
| 2 | 2025-11-21 | 0.15% | 0.22% | +0.07% |
| 3 | 2025-11-18 | — | 0.15% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.3 | 3.1 | MEDIUM |
|
2.8 | 1.4 | [email protected] |
| 4.0 | 2.0 | MEDIUM |
|
8.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
ubuntu
|
medium | CVE-2020-7993 medium priority: Ubuntu including 1 source packages (prototypejs), 17 status rows across 17 suites (bionic, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): ignored 9, needs-triage 7, DNE 1. | https://ubuntu.com/security/CVE-2020-7993 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| prototypejs | prototype | 1.6.0.1 | cpe:2.3:a:prototypejs:prototype:1.6.0.1:*:*:*:*:*:*:* |