7.4high

CVE-2018-8581KEV · ransomwarein critical feed

An elevation of privilege vulnerability exists in Microsoft Exchange Server, aka "Microsoft Exchange Server Elevation of Privilege Vulnerab…

Published 7 y ago · modified 4 mo ago · JSON

CVSS
7.4
v3.1 · CNA
CISA KEV
Yes
added 2022-03-03
EPSS
27.6%
percentile 98%
Public exploits
0
none known

Summary

An elevation of privilege vulnerability exists in Microsoft Exchange Server, aka "Microsoft Exchange Server Elevation of Privilege Vulnerability." This affects Microsoft Exchange Server.

Known exploited (CISA KEV)

Added
4 y ago
Due date
2022-03-17 (4 y ago)
Ransomware use
Known to be used in ransomware campaigns
Required action
Apply updates per vendor instructions.
Vendor / product
Microsoft / Exchange Server
CISA name
Microsoft Exchange Server Privilege Escalation Vulnerability

CISA SSVC assessment

Exploitation
Active — exploited in the wild
Automatable
no
Technical impact
total
Assessed
21 mo ago

Exploit prediction (EPSS)

27.56% probability of exploitation in the next 30 days, higher than 98% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
CISA ADP3.17.4CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
NVD3.17.4CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CNA3.17.4CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
NVD2.05.8AV:N/AC:M/Au:N/C:P/I:P/A:N

Affected products

  • Microsoft Microsoft Exchange Server

Classification

Technology feeds
Microsoft Exchange (RSS, critical only)

References

  • securitytracker.com /id/1042141 · vdb-entry, x_refsource_SECTRACK, x_transferred
  • securityfocus.com /bid/105837 · vdb-entry, x_refsource_BID, x_transferred
  • portal.msrc.microsoft.com /en-US/security-guidance/advisory/CVE-2018-8581 · x_refsource_CONFIRM, x_transferred
  • cisa.gov /known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-8581 · government-resource

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.