9.3

CVE-2020-1449: microsoft 365_apps Origin Validation Error

CVSS: 9.3v2.0HighModified
Published 14-07-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-1449 is a high (CVSS 9.3) Origin Validation Error vulnerability in microsoft 365_apps. EPSS estimates a 4.64% chance of exploitation in the next 30 days, higher than 91.6% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.3/10
010
High · v2.0 (NVD)
EPSS score
4.64%
0%100%
Low · +0.06 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 14-07-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

A remote code execution vulnerability exists in Microsoft Project software when the software fails to check the source markup of a file, aka 'Microsoft Project Remote Code Execution Vulnerability'.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

4.64%

Chance of exploitation in the next 30 days

Percentile

92%

Versus all other CVEs

30-day change

+0.06 pp

From 4.58% on 19-09-2026

19-09-202619-10-2026
EPSS score
4.64%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Microsoft7 products

1 vendor · 7 products

References

1 links