CVE-2020-1439 in the critical feed json
A remote code execution vulnerability exists in PerformancePoint Services for SharePoint Server when the software fails to check the source…
published 6y ago modified 4mo ago also EUVD-2020-12315
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 20.3%
- EPSS 20.3% chance of exploitation in 30 days, percentile 97%
- public exploits
- 0
- none known
Summary
A remote code execution vulnerability exists in PerformancePoint Services for SharePoint Server when the software fails to check the source markup of XML file input, aka 'PerformancePoint Services Remote Code Execution Vulnerability'.
Patch / fix
Is CVE-2020-1439 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
20.27% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.5 | AV:N/AC:L/Au:S/C:P/I:P/A:P |
Affected products
- Microsoft Microsoft SharePoint Enterprise Server
- Microsoft Microsoft SharePoint Server
- Microsoft Microsoft SharePoint Foundation
Classification
- Weakness
-
- CWE-502 Deserialization of Untrusted Data
References
-
portal.msrc.microsoft.com
/en-US/security-guidance/advisory/CVE-2020-1439
patch, vendor-advisory
-
zerodayinitiative.com
/advisories/ZDI-20-874/
third-party-advisory
Sources
- CVE List CVE-2020-1439
- NVD CVE-2020-1439
Fencer Intel 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.