CVE-2019-12664 — Sensitive Information Exposure in Cisco IOS XE Software

CWE-200 — Sensitive Information ExposureCWE-287 — Improper Authentication4 documents4 sources
Severity
7.5HIGHNVD
EPSS
0.7%
top 28.34%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Cisco IOS XE SoftwareCisco IOS XE
Timeline
PublishedSep 25
Latest updateMay 24

Description

A vulnerability in the Dialer interface feature for ISDN connections in Cisco IOS XE Software for Cisco 4000 Series Integrated Services Routers (ISRs) could allow an unauthenticated, adjacent attacker to pass IPv4 traffic through an ISDN channel prior to successful PPP authentication. The vulnerability is due to insufficient validation of the state of the PPP IP Control Protocol (IPCP). An attacker could exploit this vulnerability by making an ISDN call to an affected device and sending traffic …

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:NExploitability: 3.9 | Impact: 3.6

Affected Packages2 packages

▶CVEListV5cisco/cisco_ios_xe_softwareunspecified — n/a
▶NVDcisco/ios_xe16.6.4

🔴Vulnerability Details

2
GHSA
GHSA-qf56-4c48-p66f: A vulnerability in the Dialer interface feature for ISDN connections in Cisco IOS XE Software for Cisco 4000 Series Integrated Services Routers (ISRs)↗2022-05-24
▶
CVEList
Cisco IOS XE Software ISDN Data Leak Vulnerability↗2019-09-25
▶

📋Vendor Advisories

1
Cisco
Cisco IOS XE Software ISDN Data Leak Vulnerability↗2019-09-25
▶
CVE-2019-12664 — Sensitive Information Exposure | cvebase