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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.153 (96.7th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.153 · newest: 0.153 · change: 0.000
Affected products
- Microsoft Exchange Server — versions 2013, 2016
Weakness classification (CWE)
Public proof-of-concept exploits
References
- docs.microsoft.com/en-us/security-updates/securitybulletins/2016/ms16-108 (vendor-advisory)
- www.securitytracker.com/id/1036778 (vdb-entry)
- www.securityfocus.com/bid/92833 (vdb-entry)
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.