CVE-2017-12228
high-risk
Published 2017-09-29
A vulnerability in the Cisco Network Plug and Play application of Cisco IOS 12.4 through 15.6 and Cisco IOS XE 3.3 through 16.4 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 exploit this vulnerability by supplying a crafted certificate to an affected device. A successful exploit could allow the attacker to conduct man-in-the-middle attacks to decrypt confidential information on user connections to the affected software. Cisco Bug IDs: CSCvc33171.
Do I need to act?
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0.32% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.9/10
Medium
NETWORK
/ HIGH complexity
Affected Products (20)
Affected Vendors
References (6)
Third Party Advisory
http://www.securityfocus.com/bid/101065
Third Party Advisory
http://www.securitytracker.com/id/1039450
Third Party Advisory
http://www.securityfocus.com/bid/101065
Third Party Advisory
http://www.securitytracker.com/id/1039450
52
/ 100
high-risk
Severity
18/34 · Moderate
Exploitability
1/34 · Minimal
Exposure
33/34 · Critical