Improper input validation in Microsoft Exchange Server
CVE-2017-11932
Microsoft Exchange Server 2016 CU5 and Microsoft Exchange Server 2016 CU5 allow a spoofing vulnerability due to the way Outlook Web Access (OWA) validates web requests, aka "Microsoft Exchange Spoofing Vulnerability".
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N.
EPSS exploit prediction
EPSS: 0.059 (93.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 93.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.059 · newest: 0.059 · change: 0.000
Affected products
- Microsoft Exchange Server — versions 2016
- Microsoft Corporation Exchange Server — versions Microsoft Exchange Server 2016 CU5 and Microsoft Exchange Server 2016 CU5
Weakness classification (CWE)
Public proof-of-concept exploits
References
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11932 (Patch, Vendor Advisory)
- www.securitytracker.com/id/1039996 (VDB Entry, Third Party Advisory, vdb-entry)
- www.securityfocus.com/bid/102060 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2017-11932?
- CVE-2017-11932 is a high-severity vulnerability in Microsoft Exchange Server, classified under Improper Input Validation. CVSS score: 8.1/10. Published 2017-12-12.
- How severe is CVE-2017-11932?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2017-11932 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.