5

CVE-2015-1631: microsoft exchange_server Improper Access Control

CVSS: 5.0v2.0MediumModified
Published 11-03-2015Last modified 06-08-2024

Vulnerability summary

CVE-2015-1631 is a medium (CVSS 5.0) Improper Access Control vulnerability in microsoft exchange_server. EPSS estimates a 9.15% chance of exploitation in the next 30 days, higher than 95.2% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.0/10
010
Medium · v2.0 (NVD)
EPSS score
9.15%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 11-03-2015
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

Description

Microsoft Exchange Server 2013 SP1 and Cumulative Update 7 allows remote attackers to spoof meeting organizers via unspecified vectors, aka "Exchange Forged Meeting Request Spoofing Vulnerability."

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

9.15%

Chance of exploitation in the next 30 days

Percentile

95%

Versus all other CVEs

30-day change

0.00 pp

From 9.15% on 20-09-2026

20-09-202620-10-2026
EPSS score
9.15%

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

Microsoft1 product

1 vendor · 1 product

References

2 links