Improper input validation in Microsoft Exchange Server
CVE-2016-3378
Open redirect vulnerability in Microsoft Exchange Server 2013 SP1, 2013 Cumulative Update 12, 2013 Cumulative Update 13, 2016 Cumulative Update 1, and 2016 Cumulative Update 2 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a crafted URL, aka "Microsoft Exchange Open Redirect Vulnerability."
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.153 (96.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.4 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N.
Affected products
- Microsoft Exchange_server — versions 2013, 2016
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secure@microsoft.com (x_refsource_MS, vendor-advisory)
- secure@microsoft.com (vdb-entry, x_refsource_SECTRACK)
- secure@microsoft.com (vdb-entry, x_refsource_BID)
Frequently asked questions
- What is CVE-2016-3378?
- CVE-2016-3378 is a high-severity vulnerability in Microsoft Exchange Server, classified under Improper Input Validation. CVSS score: 7.4/10. Published 2016-09-14.
- How severe is CVE-2016-3378?
- High severity. CVSS v3 base score is 7.4 out of 10.
- Is CVE-2016-3378 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.