CVE-2019-1748

HIGH

Cisco IOS - Unauthenticated Improper Certificate Validation

Title source: llm
STIX 2.1

Description

A vulnerability in the Cisco Network Plug-and-Play (PnP) agent of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to gain unauthorized access to sensitive data. The vulnerability exists because the affected software insufficiently validates certificates. 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 and modify confidential information on user connections to the affected software.

References (2)

Core 2
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/107619

Scores

CVSS v3 7.4
EPSS 0.0118
EPSS Percentile 63.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Details

CWE
CWE-295
Status published
Products (50)
cisco/ios 12.0\(1\)
cisco/ios 12.0\(1\)t
cisco/ios 12.0\(1\)t1
cisco/ios 12.0\(1\)xe
cisco/ios 12.0\(1a\)
cisco/ios 12.0\(2\)
cisco/ios 12.0\(2\)s
cisco/ios 12.0\(2\)t
cisco/ios 12.0\(2\)t1
cisco/ios 12.0\(2\)xe
... and 40 more
Published Mar 28, 2019
Tracked Since Feb 18, 2026