CVE-2022-20714 — Buffer Over-read in Cisco IOS XR Software

CWE-126 — Buffer Over-read CWE-125 — Out-of-bounds Read4 documents4 sources

Severity

8.6HIGHNVD

EPSS

1.8%

top 17.04%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

Cisco IOS XR Software

Timeline

PublishedApr 15

Latest updateApr 16

Description

A vulnerability in the data plane microcode of Lightspeed-Plus line cards for Cisco ASR 9000 Series Aggregation Services Routers could allow an unauthenticated, remote attacker to cause the line card to reset. This vulnerability is due to the incorrect handling of malformed packets that are received on the Lightspeed-Plus line cards. An attacker could exploit this vulnerability by sending a crafted IPv4 or IPv6 packet through an affected device. A successful exploit could allow the attacker to c…

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

▶CVEListV5cisco/cisco_ios_xr_softwaren/a

🔴Vulnerability Details

GHSA

GHSA-47hj-93mx-2w7m: A vulnerability in the data plane microcode of Lightspeed-Plus line cards for Cisco ASR 9000 Series Aggregation Services Routers could allow an unauth↗2022-04-16

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CVEList

Cisco IOS XR Software for ASR 9000 Series Routers Lightspeed-Plus Line Cards Denial of Service Vulnerability↗2022-04-15

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📋Vendor Advisories

Cisco

Cisco IOS XR Software for ASR 9000 Series Routers Lightspeed-Plus Line Cards Denial of Service Vulnerability↗2022-04-13

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