CVE-2016-2203
The management console on Symantec Messaging Gateway (SMG) Appliance devices before 10.6.1 allows...
The management console on Symantec Messaging Gateway (SMG) Appliance devices before 10.6.1 allows local users to discover an encrypted AD password by leveraging certain read privileges.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
7.8
The management console on Symantec Messaging Gateway (SMG) Appliance devices before 10.6.1 allows local users to discover an encrypted AD password by leveraging certain read privileges.
- Record
CVE-2016-2203- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-255
- Updated
- 2026-11-02
CVE List No score
The management console on Symantec Messaging Gateway (SMG) Appliance devices before 10.6.1 allows local users to discover an encrypted AD password by leveraging certain read privileges.
- Record
CVE-2016-2203- Updated
- 2026-11-02
EUVDEUVD-2016-3287 No score
The management console on Symantec Messaging Gateway (SMG) Appliance devices before 10.6.1 allows local users to discover an encrypted AD password by leveraging certain read privileges.
- Record
EUVD-2016-3287- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-w4px-29jm-36xf
7.8
The management console on Symantec Messaging Gateway (SMG) Appliance devices before 10.6.1 allows...
The management console on Symantec Messaging Gateway (SMG) Appliance devices before 10.6.1 allows local users to discover an encrypted AD password by leveraging certain read privileges.
- Record
GHSA-w4px-29jm-36xf- CVSS 3.0
- 7.8 High
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Symantec Brightmail 10.6.0-7 - LDAP Credentials Disclosure (Metasploit) | 2016-04-21 |
| Metasploit | Symantec Messaging Gateway 10 Exposure of Stored AD Password Vulnerability | 2015-12-17 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, Metasploit, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2016-2203 is a high vulnerability (CVSS 7.8) in Symantec Messaging Gateway, published April 22, 2016. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 7.06%, the 94th percentile. No source names a fixed version.
References
symantec.com/security_response/securityupdates/detail.jsp?fid=security_advisory&pvid=security_advisory&year=&suid=20160418_00
packetstormsecurity.com/files/136758/Symantec-Brightmail-10.6.0-7-LDAP-Credential-Grabber.html
securityfocus.com/bid/86137
securitytracker.com/id/1035609
exploit-db.com/exploits/39715
nvd.nist.gov/vuln/detail/CVE-2016-2203
github.com/advisories/GHSA-w4px-29jm-36xf