CVE-2020-7993

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

0.75% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 52.2% of scored records. A rank, not a probability.

NVD base score

4.3 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2020-02-03 14:26Z6 YR AGO

Last updated

2024-08-04 09:48Z2 YR AGO

Reserved

2020-01-26

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-862Missing AuthorizationClass

Data version

5.1

Document digest

4c609eea7ee7c3d85719ae3eaf8698da824d3bae086055a4a29eb9e2ed2f1609

• github.comhttps://github.com/prototypejs/prototype/blob/master/CHANGELOGx_refsource_MISC
• medium.comhttps://medium.com/%40vbharad/improper-access-control-vulnerability-in-prototype-1-6-0-1-framework-379cc3a05079x_refsource_MISC