CVE-2020-1340 json
A spoofing vulnerability exists when the NuGetGallery does not properly sanitize input on package metadata values, aka 'NuGetGallery Spoofi…
published 2020-06-09 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-12217
- cvss
- 5.4
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 75%
- public exploits
- 0
- none known
Summary
A spoofing vulnerability exists when the NuGetGallery does not properly sanitize input on package metadata values, aka 'NuGetGallery Spoofing Vulnerability'.
Patch / fix
- microsoft nugetgallery 2020.06.09
Exploit prediction
1.58% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 3.5 | AV:N/AC:M/Au:S/C:N/I:P/A:N |
Affected products
- Microsoft NuGetGallery
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2020-1340
patch, vendor-advisory
Sources
- CVE List CVE-2020-1340
- NVD CVE-2020-1340
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.