SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-1340

A spoofing vulnerability exists when the NuGetGallery does not properly sanitize input on package metadata values, aka 'NuGetGallery Spoofing Vulnerability'.

MEDIUM 5.4EPSS 1.58%

Does this matter?

Lower severity and a low EPSS score (1.58%). Track it; it rarely justifies an emergency change on its own.

Description

A spoofing vulnerability exists when the NuGetGallery does not properly sanitize input on package metadata values, aka 'NuGetGallery Spoofing Vulnerability'.

CVSS 3.1
5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS
1.58% probability · 75th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-79
Affected
microsoft/nugetgallery
Source
secure@microsoft.com
EPSS trend
0%3%5%26 October 2026: 1.58%26 October 202626 October 2026

EPSS 1.6% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.