CVE-2020-7993

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.

Published: 2020-02-03 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]

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.

Exploit prediction scoring system (EPSS) score for CVE-2020-7993

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)

Common vulnerability scoring system (CVSS) metrics for CVE-2020-7993

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:N)
Service keeps running; no real outage angle.
2.8 1.4 [email protected]
4.0 2.0 MEDIUM
AV:N/AC:L/Au:S/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:S)
A single authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
8.0 2.9 [email protected]

Weakness enumeration for CVE-2020-7993

OS Trackers for CVE-2020-7993

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

Affected software / configurations for CVE-2020-7993

Vendor Product Version Raw CPE
prototypejs prototype 1.6.0.1 cpe:2.3:a:prototypejs:prototype:1.6.0.1:*:*:*:*:*:*:*

References for CVE-2020-7993

cvelogic Threat Intelligence