CVE-2022-20823

CWE-126 — Buffer Over-readCWE-125 — Out-of-bounds Read4 documents4 sources
Severity
8.6HIGH
EPSS
0.6%
top 29.43%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Cisco Cisco Nx-os Software
Timeline
PublishedAug 25
Latest updateAug 26

Description

A vulnerability in the OSPF version 3 (OSPFv3) feature of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to incomplete input validation of specific OSPFv3 packets. An attacker could exploit this vulnerability by sending a malicious OSPFv3 link-state advertisement (LSA) to an affected device. A successful exploit could allow the attacker to cause the OSPFv3 process to crash and rest…

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 Packages1 packages

🔴Vulnerability Details

2
GHSA
GHSA-g29q-52vq-fhwp: A vulnerability in the OSPF version 3 (OSPFv3) feature of Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause a denial of se↗2022-08-26
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CVEList
Cisco NX-OS Software OSPFv3 Denial of Service Vulnerability↗2022-08-25
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📋Vendor Advisories

1
Cisco
Cisco NX-OS Software OSPFv3 Denial of Service Vulnerability↗2022-08-24
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CVE-2022-20823 (HIGH CVSS 8.6) | A vulnerability in the OSPF version | cvebase.io