5.8

CVE-2018-8153: microsoft exchange_server Authentication Bypass by Spoofing

CVSS: 5.8v2.0MediumModified
Published 09-05-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-8153 is a medium (CVSS 5.8) Authentication Bypass by Spoofing vulnerability in microsoft exchange_server. EPSS estimates a 3.44% chance of exploitation in the next 30 days, higher than 88.8% of scored vulnerabilities.

Overall risk
24/100
0100
Low · default modelHow is this calculated?
CVSS score
5.8/10
010
Medium · v2.0 (NVD)
EPSS score
3.44%
0%100%
Low · -0.07 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 09-05-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

A spoofing vulnerability exists in Microsoft Exchange Server when Outlook Web Access (OWA) fails to properly handle web requests, aka "Microsoft Exchange Spoofing Vulnerability." This affects Microsoft Exchange Server.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

3.44%

Chance of exploitation in the next 30 days

Percentile

89%

Versus all other CVEs

30-day change

-0.07 pp

From 3.51% on 18-09-2026

18-09-202618-10-2026
EPSS score
3.44%

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

Microsoft2 products

1 vendor · 2 products

References

3 links