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Vulnerabilities

Vulnerability · 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…

Published Jun 10, 2015 · catalog updated Jun 17, 2026 · exchange server

Last checked Nov 1, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2015-1771. EPSS is 5.75%. Act only if a listed version of exchange server is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium6.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
5.75%
Remediation
Advisory link
Affected products
cpe microsoft/exchange server

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."

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe microsoft/exchange server2013

How to fix CVE-2015-1771

  • No stored fix

    No vendor fix text is stored. Use the linked advisory before you change production.

  • Version check

    No version range is stored, so an installed version cannot be checked on this page.

  • Advisory

    Open the inventory_critical record and follow its fix.

  • Official advisories

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2015-1771. EPSS is 5.75%. Act only if a listed version of exchange server is installed.

Which versions are affected?

Compare what you have installed with microsoft/exchange server 2013. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-352: Cross-Site Request Forgery (CSRF). EPSS 5.75%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Microsoft Exchange Server security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 10, 2015 · Monitored products — critical

    Detected

    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."

  2. Jun 17, 2026 · Monitored products — critical

    Updated

    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."

Sources

  • Monitored products — criticalVendor advisoryCVE-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."

    nvd.nist.gov

References

Freshness

Last verified in this catalog Nov 1, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • Monitored products — criticalNov 1, 2026