Published: 29/09/2017 Updated: 09/10/2019

CVSS v2 Base Score: 4.3 | Impact Score: 2.9 | Exploitability Score: 8.6

CVSS v3 Base Score: 5.9 | Impact Score: 3.6 | Exploitability Score: 2.2

VMScore: 383

Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N

A vulnerability in the Cisco Network Plug and Play application of Cisco IOS 12.4 up to and including 15.6 and Cisco IOS XE 3.3 up to and including 16.4 could allow an unauthenticated, remote malicious user to gain unauthorized access to sensitive data by using an invalid certificate. The vulnerability is due to insufficient certificate validation by the affected software. An attacker could exploit this vulnerability by supplying a crafted certificate to an affected device. A successful exploit could allow the malicious user to conduct man-in-the-middle attacks to decrypt confidential information on user connections to the affected software. Cisco Bug IDs: CSCvc33171.

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cisco ios xe 3.13.5as
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cisco ios 15.3\\(3\\)jbb5
cisco ios 15.2\\(4\\)e
cisco ios xe 16.1.2
cisco ios 15.3\\(3\\)ja5
cisco ios xe 3.12.0s
cisco ios 15.0\\(2\\)se10
cisco ios 15.5\\(1\\)s4
cisco ios xe 3.18.1csp
cisco ios xe 3.14.0s
cisco ios 15.2\\(2\\)t4
cisco ios xe 3.13.6as
cisco ios 15.2\\(4m\\)e1
cisco ios 15.6\\(2\\)t2
cisco ios xe 16.4.1
cisco ios 15.4\\(3\\)s7a
cisco ios 15.4\\(2\\)t4
cisco ios xe 16.1.1
cisco ios 15.3\\(3\\)jax1
cisco ios xe 3.6.5e
cisco ios xe 3.16.4as
cisco ios 15.4\\(3\\)m6a
cisco ios 15.3\\(3\\)jn4
cisco ios 15.2\\(5a\\)e
cisco ios 15.4\\(1\\)sy
cisco ios 15.3\\(3\\)jnd1
cisco ios 15.2\\(4\\)s3a
cisco ios 15.2\\(2\\)jb2
cisco ios 15.5\\(3\\)s3a
cisco ios 15.5\\(3\\)m2
cisco ios 15.2\\(2\\)t3
cisco ios 15.5\\(3\\)s4d
cisco ios 15.2\\(3\\)e3
cisco ios 15.2\\(4\\)m3
cisco ios 15.0\\(2\\)ex4
cisco ios 15.2\\(2\\)t2
cisco ios 15.2\\(3\\)t
cisco ios 15.2\\(4n\\)e2
cisco ios 15.6\\(1\\)t
cisco ios 15.3\\(3\\)jda3
cisco ios xe 3.10.2ts
cisco ios 15.0\\(2\\)ex13
cisco ios xe 16.2.1
cisco ios 15.2\\(2\\)sng
cisco ios 15.3\\(3\\)jn8
cisco ios xe 3.10.3s
cisco ios 15.0\\(2\\)se2
cisco ios 15.2\\(4\\)s1
cisco ios 15.2\\(4\\)e2
cisco ios 15.3\\(2\\)s
cisco ios 15.2\\(4\\)m6
cisco ios xe 16.2.3
cisco ios 15.4\\(1\\)s2
cisco ios 15.2\\(4\\)s2
cisco ios 15.2\\(2a\\)e1
cisco ios 15.1\\(2\\)sy
cisco ios 15.5\\(1\\)sy1
cisco ios 15.2\\(2\\)sy2
cisco ios 15.4\\(1\\)s3
cisco ios 15.3\\(3\\)ja77
cisco ios 15.2\\(4\\)m8
cisco ios 15.2\\(2\\)ea3
cisco ios xe 3.8.2e
cisco ios 15.5\\(3\\)s4a
cisco ios 15.5\\(3\\)m4a

A vulnerability in the Cisco Network Plug and Play application of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to gain unauthorized access to sensitive data by using an invalid certificate The vulnerability is due to insufficient certificate validation by the affected software An attacker could expl ...

CWE-295 https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170927-pnp http://www.securitytracker.com/id/1039450 http://www.securityfocus.com/bid/101065 https://nvd.nist.gov https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170927-pnp

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CVE-2017-12228

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