Medium severity · published Jul 11, 2017
CVE-2017-8621
Microsoft Exchange Server 2010 SP3, Exchange Server 2013 SP3, Exchange Server 2013 CU16, and Exchange Server 2016 CU5 allows an open redirect vulnerability that could lead to…
6.1
CVSS
3.2%
EPSS
No
On KEV
Description
Microsoft Exchange Server 2010 SP3, Exchange Server 2013 SP3, Exchange Server 2013 CU16, and Exchange Server 2016 CU5 allows an open redirect vulnerability that could lead to spoofing, aka "Microsoft Exchange Open Redirect Vulnerability".
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)3.2% · higher than 88% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ES
Exchange Server · Microsoft
2010; 2013; 2013; 2016 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-8621
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-8621
Third Party Advisory
http://www.securityfocus.com/bid/99533
Third Party Advisory
http://www.securitytracker.com/id/1038852
Patch
https://portal.msrc.microsoft.com/en-us/security-guidance/advisory/CVE-2017-8621
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