9.8

CVE-2019-1373: microsoft exchange_server Deserialization of Untrusted Data

CVSS: 9.8v3.1CriticalModified
Published 12-11-2019Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2019-1373 is a critical (CVSS 9.8) Deserialization of Untrusted Data vulnerability in microsoft exchange_server. EPSS estimates a 21.68% chance of exploitation in the next 30 days, higher than 97.6% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
21.68%
0%100%
High · +0.25 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 12-11-2019
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

A remote code execution vulnerability exists in Microsoft Exchange through the deserialization of metadata via PowerShell, aka 'Microsoft Exchange Remote Code Execution Vulnerability'.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

21.68%

Chance of exploitation in the next 30 days

Percentile

98%

Versus all other CVEs

30-day change

+0.25 pp

From 21.43% on 19-09-2026

19-09-202619-10-2026
EPSS score
21.68%

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

Microsoft6 products

1 vendor · 6 products

References

1 links