PT-2021-4146 · Cisco · Cisco Ios Xr

Published 2021-09-08 · Updated 2022-10-24 · CVE-2021-34771

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions Cisco IOS XR Software (affected versions not specified)

Description A vulnerability in the Cisco IOS XR Software CLI could allow an authenticated, local attacker to view more information than their privileges allow. This issue is due to insufficient application of restrictions during the execution of a specific command. An attacker could exploit this by running the command, potentially allowing them to view sensitive configuration information that their privileges might not otherwise allow them to access.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Information Disclosure

Weakness Enumeration

CWE-201

CWE-200

Related Identifiers

BDU:2021-04739

CVE-2021-34771

Affected Products

Cisco Ios Xr

References · 5

• https://bdu.fstec.ru/vul/2021-04739 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2021-34771 · Security Note
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-infodisc-CjLdGMc5 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-34771 · Vendor Advisory
• https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-infodisc-CjLdGMc5?vsfCisco20Security20AdvisoryvscatSecurity20IntelligencevstypeRSSvspCisco20IOS20XR20Software20Unauthorized20Information20Disclosure20Vulnerabilityvsk1 · Note