Vulnerability identifier: #VU7983

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-6783

CWE-ID: CWE-200

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cisco Content Security Management Appliance
Server applications / IDS/IPS systems, Firewalls and proxy servers
Cisco Email Security Appliance
Server applications / IDS/IPS systems, Firewalls and proxy servers
Cisco Web Security Appliance
Server applications / IDS/IPS systems, Firewalls and proxy servers

Vendor: Cisco Systems, Inc

Description

The vulnerability allows a remote authenticated attacker to obtain potentially sensitive information.

The vulnerability exists in SNMP polling for the Cisco Web Security Appliance (WSA), Email Security Appliance (ESA), and Content Security Management Appliance (SMA) due to insufficient protection of protect confidential information at rest in response to Simple Network Management Protocol (SNMP) poll requests. A remote attacker with knowledge of configured SNMP community string can make a crafted SNMP poll request to the targeted security appliance and discover confidential information.

Successful exploitation of the vulnerability may result in additional reconnaissance attacks.

Mitigation
Update Web Security Appliance to version 11.0.edns-201.
Update Email Security Appliance to version 11.0.0-105.
Update Content Security Management Appliance to version 11.0.0-060.

Vulnerable software versions

Cisco Content Security Management Appliance: 10.1.0 037

Cisco Email Security Appliance: 9.7.2 065

Cisco Web Security Appliance: 10.0.0 230

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External links
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170816-csa

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.