What is CVE-2021-34771?

CVE-2021-34771 is a medium-severity vulnerability in Cisco iOS Xr Software, classified under Insertion of Sensitive Information into Sent Data. CVSS score: 5.5/10. Published 2021-09-09.

How severe is CVE-2021-34771?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Information disclosure in Cisco iOS Xr Software

CVE-2021-34771

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

EPSS: 0.003 (17.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Cisco Ios Xr Software — versions n/a
Cisco Ios_xr

Weakness classification (CWE)

References

psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2021-34771?: CVE-2021-34771 is a medium-severity vulnerability in Cisco iOS Xr Software, classified under Insertion of Sensitive Information into Sent Data. CVSS score: 5.5/10. Published 2021-09-09.
How severe is CVE-2021-34771?: Medium severity. CVSS v3 base score is 5.5 out of 10.