CVE-2020-3407 — NULL Pointer Dereference in Cisco IOS XE Software

CWE-476 — NULL Pointer Dereference4 documents4 sources

Severity

8.6HIGHNVD

EPSS

1.3%

top 20.57%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

Cisco IOS XE Software Cisco IOS XE

Timeline

PublishedSep 24

Latest updateMay 24

Description

A vulnerability in the RESTCONF and NETCONF-YANG access control list (ACL) function of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause the device to reload. The vulnerability is due to incorrect processing of the ACL that is tied to the RESTCONF or NETCONF-YANG feature. An attacker could exploit this vulnerability by accessing the device using RESTCONF or NETCONF-YANG. A successful exploit could allow an attacker to cause the device to reload, resulting in a denial…

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:HExploitability: 3.9 | Impact: 4.0

Affected Packages2 packages

▶CVEListV5cisco/cisco_ios_xe_softwaren/a

▶NVDcisco/ios_xe15.8\(3\)m3

🔴Vulnerability Details

GHSA

GHSA-v9h7-8m32-frwv: A vulnerability in the RESTCONF and NETCONF-YANG access control list (ACL) function of Cisco IOS XE Software could allow an unauthenticated, remote at↗2022-05-24

▶

CVEList

Cisco IOS XE Software RESTCONF and NETCONF-YANG Access Control List Denial of Service Vulnerability↗2020-09-24

▶

📋Vendor Advisories

Cisco

Cisco IOS XE Software RESTCONF and NETCONF-YANG Access Control List Denial of Service Vulnerability↗2020-09-24

▶