CVE-2020-3364 — Improper Access Control in Cisco IOS XR Software

CWE-284 — Improper Access ControlCWE-863 — Incorrect Authorization4 documents4 sources
Severity
5.3MEDIUMNVD
EPSS
0.5%
top 32.84%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Cisco IOS XR SoftwareCisco IOS XR
Timeline
PublishedJun 18
Latest updateMay 24

Description

A vulnerability in the access control list (ACL) functionality of the standby route processor management interface of Cisco IOS XR Software could allow an unauthenticated, remote attacker to reach the configured IP addresses on the standby route processor management Gigabit Ethernet Management interface. The vulnerability is due to a logic error that was introduced in the Cisco IOS XR Software, which prevents the ACL from working when applied against the standby route processor management interf…

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NExploitability: 3.9 | Impact: 1.4

Affected Packages2 packages

▶NVDcisco/ios_xr6 versions+5

🔴Vulnerability Details

2
GHSA
GHSA-h32p-cwph-5qx4: A vulnerability in the access control list (ACL) functionality of the standby route processor management interface of Cisco IOS XR Software could allo↗2022-05-24
▶
CVEList
Cisco IOS XR Software Standby Route Processor Gigabit Ethernet Management Interface Access Control List Bypass Vulnerability↗2020-06-18
▶

📋Vendor Advisories

1
Cisco
Cisco IOS XR Software Standby Route Processor Gigabit Ethernet Management Interface Access Control List Bypass Vulnerability↗2020-06-17
▶
CVE-2020-3364 — Improper Access Control in Cisco | cvebase