Local Privilege Escalation in Symantec Messaging Gateway Appliance
CVE-2016-2203

7.8HIGH

Key Information:

Vendor

Symantec
Status
Messaging Gateway
Vendor
CVE Published:
22 April 2016

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 29%

What is CVE-2016-2203?

A vulnerability exists in the management console of Symantec Messaging Gateway Appliance that allows local users to exploit specific read privileges to uncover an encrypted Active Directory password. This flaw can potentially lead to unauthorized access and escalate privileges within the system, highlighting the need for immediate mitigation strategies to protect sensitive information.

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2016-2203 - Proof of Concept

References

http://www.symantec.com/security_response/securityupdates...
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http://packetstormsecurity.com/files/136758/Symantec-Brig...
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http://www.securityfocus.com/bid/86137
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EPSS Score

29% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

.