CVE-2015-1771 — Cross-site request forgery (CSRF) vulnerability in the web applications in Microsoft Exchange Server 2013 SP1 and Cumulative Update 8 allows remote attackers to hijack the authentication of arbitrary users, aka "Exchange Cross-Site Request Forgery Vulnerability."

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MEDIUM

Cross-site request forgery (CSRF) vulnerability in the web applications in Microsoft Exchange Server 2013 SP1 and Cumulative Update 8 allows remote attackers to hijack the authentication of arbitrary users, aka "Exchange Cross-Site Request Forgery Vulnerability."

Published Jun 10, 2015

6.8

MEDIUM

CVSS 2.0

EPSS 5.75%

Description

Cross-site request forgery (CSRF) vulnerability in the web applications in Microsoft Exchange Server 2013 SP1 and Cumulative Update 8 allows remote attackers to hijack the authentication of arbitrary users, aka "Exchange Cross-Site Request Forgery Vulnerability."

Affected products

Remediation

No remediation recorded yet.

Metrics

5.75% 0.05754

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.05754

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (14 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	5.75% (0.05754)	92.84th	v5 (v2026.06.15)
Jun 15, 2026	5.79% (0.05795)	92.12th	v5 (v2026.06.15)
Mar 17, 2025	2.02% (0.02024)	82.57th	v4 (v2025.03.14)
Dec 12, 2024	0.39% (0.00389)	74.09th	v3 (v2023.03.01)
Feb 8, 2024	0.39% (0.00389)	72.55th	v3 (v2023.03.01)
Sep 9, 2023	0.39% (0.00389)	69.95th	v3 (v2023.03.01)
Jul 9, 2023	0.78% (0.00781)	79.04th	v3 (v2023.03.01)
Apr 1, 2023	1.10% (0.01105)	82.30th	v3 (v2023.03.01)
Mar 7, 2023	0.78% (0.00781)	78.64th	v3 (v2023.03.01)
Mar 6, 2023	29.80% (0.29797)	97.49th	v2 (v2022.01.01)
Jan 8, 2023	29.80% (0.29797)	97.43th	v2 (v2022.01.01)
Oct 28, 2022	39.71% (0.39708)	98.06th	v2 (v2022.01.01)
Apr 12, 2022	37.93% (0.37931)	97.78th	v2 (v2022.01.01)
Feb 4, 2022	36.33% (0.36326)	96.99th	v2 (v2022.01.01)

Weaknesses (1)

CWE-352

CSRF

References (3)

http://www.securityfocus.com/bid/75011
vdb-entryx_refsource_BID
http://www.securitytracker.com/id/1032528
vdb-entryx_refsource_SECTRACK
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-064
vendor-advisoryx_refsource_MS

Link	Providers	Tags
http://www.securityfocus.com/bid/75011		vdb-entryx_refsource_BID
http://www.securitytracker.com/id/1032528		vdb-entryx_refsource_SECTRACK
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-064		vendor-advisoryx_refsource_MS

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner microsoft

Published Jun 10, 2015

Updated Aug 6, 2024

Reserved Feb 17, 2015

Link CVE-2015-1771

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2015-1771

Red Hat

Severity n/a

Public date n/a

Links CVE-2015-1771