Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2017-6766 |
CWE-ID | CWE-20 |
Exploitation vector | Network |
Public exploit | N/A |
Vulnerable software Subscribe |
Cisco Firepower Management Center Client/Desktop applications / Antivirus software/Personal firewalls |
Vendor | Cisco Systems, Inc |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU7678
Risk: Low
CVSSv3.1: 5.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2017-6766
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote unauthenticated attacker to bypass security restrictions on the target system.
The weakness exists in the Secure Sockets Layer (SSL) Decryption and Inspection feature of Cisco Firepower System Software due to unexpected interaction with Known Key and Decrypt and Resign configuration settings of SSL policies. A remote attacker can send a specially crafted SSL packet through an affected device in a valid SSL session and bypass the SSL decryption and inspection policy.
The vulnerability is fixed in version 6.1.0.5.
Vulnerable software versionsCisco Firepower Management Center: 5.4.0 - 6.2.2
External linkshttp://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170802-fpw
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.