CVE-2020-3473 — Incorrect Authorization in Cisco IOS XR

CWE-264CWE-863 — Incorrect Authorization4 documents4 sources
Severity
7.8HIGHNVD
EPSS
0.0%
top 86.88%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Cisco IOS XRCisco IOS XR Software
Timeline
PublishedSep 4
Latest updateMay 24

Description

A vulnerability in task group assignment for a specific CLI command in Cisco IOS XR Software could allow an authenticated, local CLI shell user to elevate privileges and gain full administrative control of the device. The vulnerability is due to incorrect mapping of a command to task groups within the source code. An attacker could exploit this vulnerability by first authenticating to the local CLI shell on the device and using the CLI command to bypass the task group–based checks. A successful …

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_xr5.0.0 — 7.0.12+5

🔴Vulnerability Details

2
GHSA
GHSA-x8v9-c427-8x6q: A vulnerability in task group assignment for a specific CLI command in Cisco IOS XR Software could allow an authenticated, local CLI shell user to ele↗2022-05-24
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CVEList
Cisco IOS XR Software Authenticated User Privilege Escalation Vulnerability↗2020-09-04
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📋Vendor Advisories

1
Cisco
Cisco IOS XR Software Authenticated User Privilege Escalation Vulnerability↗2020-09-02
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CVE-2020-3473 — Incorrect Authorization in Cisco IOS XR | cvebase