Cisco Email Security Appliance prior 9.7.1-066/9.9.6-026/10.0.9-015 Security Policy 7pk error

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability was found in Cisco Email Security Appliance (Anti-Malware Software) and classified as critical. This issue affects some unknown functionality of the component Security Policy. The manipulation with an unknown input leads to a 7pk error vulnerability. Using CWE to declare the problem leads to CWE-388. Impacted is confidentiality, integrity, and availability.

The weakness was disclosed 10/28/2016 with Cisco as CSCuz01651 as confirmed advisory (Website). The advisory is shared at The identification of this vulnerability is CVE-2016-6357 since 07/26/2016. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 09/28/2022).

Upgrading to version 9.7.1-066, 9.9.6-026 or 10.0.9-015 eliminates this vulnerability.

The entries 93139, 93138 and 93136 are pretty similar.






  • commercial

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍



VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍


Class: 7pk error
CWE: CWE-388
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


OpenVAS ID: 103403
OpenVAS Name: Cisco Email Security Appliance Drop Bypass Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Email Security Appliance 9.7.1-066/9.9.6-026/10.0.9-015


07/26/2016 🔍
10/26/2016 +92 days 🔍
10/28/2016 +2 days 🔍
10/28/2016 +0 days 🔍
10/28/2016 +0 days 🔍
09/28/2022 +2161 days 🔍



Advisory: CSCuz01651
Organization: Cisco
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-6357 (🔍)
SecurityTracker: 1037114
SecurityFocus: 93909 - Cisco AsyncOS CVE-2016-6357 Remote Security Bypass Vulnerability

See also: 🔍


Created: 10/28/2016 07:46 PM
Updated: 09/28/2022 03:25 PM
Changes: 10/28/2016 07:46 PM (57), 05/19/2019 06:34 PM (13), 09/28/2022 03:25 PM (3)
Complete: 🔍


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