CVE-2020-3404 — Incorrect Authorization in Cisco IOS XE Software

CWE-863 — Incorrect Authorization5 documents5 sources
Severity
7.8HIGHNVD
EPSS
0.0%
top 93.92%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Cisco IOS XE SoftwareCisco IOS XE
Timeline
PublishedSep 24
Latest updateMay 24

Description

A vulnerability in the persistent Telnet/Secure Shell (SSH) CLI of Cisco IOS XE Software could allow an authenticated, local attacker to gain shell access on an affected device and execute commands on the underlying operating system (OS) with root privileges. The vulnerability is due to insufficient enforcement of the consent token in authorizing shell access. An attacker could exploit this vulnerability by authenticating to the persistent Telnet/SSH CLI on an affected device and requesting shel…

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages2 packages

▶NVDcisco/ios_xe16.11.1

🔴Vulnerability Details

2
GHSA
GHSA-rh2h-wrf9-gh69: A vulnerability in the persistent Telnet/Secure Shell (SSH) CLI of Cisco IOS XE Software could allow an authenticated, local attacker to gain shell ac↗2022-05-24
▶
CVEList
Cisco IOS XE Software Consent Token Bypass Vulnerability↗2020-09-24
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📋Vendor Advisories

1
Cisco
Cisco IOS XE Software Consent Token Bypass Vulnerability↗2020-09-24
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CVE-2020-3404 — Incorrect Authorization in Cisco | cvebase