What is CVE-2021-1619?

CVE-2021-1619 is a critical-severity vulnerability in Cisco Ios Xe Software, classified under Access of Uninitialized Pointer. CVSS score: 9.8/10. Published 2021-09-23.

How severe is CVE-2021-1619?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Cisco Ios Xe Software

CVE-2021-1619

A vulnerability in the authentication, authorization, and accounting (AAA) function of Cisco IOS XE Software could allow an unauthenticated, remote attacker to bypass NETCONF or RESTCONF authentication and do either of the following: Insta…

EPSS: 0.009 (75.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Cisco Ios Xe Software — versions n/a

Weakness classification (CWE)

CWE-824 — Access of Uninitialized Pointer

References

20210922 Cisco IOS XE Software NETCONF and RESTCONF Authentication Bypass Vulnerability (vendor-advisory, x_refsource_CISCO)

Frequently asked questions

What is CVE-2021-1619?: CVE-2021-1619 is a critical-severity vulnerability in Cisco Ios Xe Software, classified under Access of Uninitialized Pointer. CVSS score: 9.8/10. Published 2021-09-23.
How severe is CVE-2021-1619?: Critical severity. CVSS v3 base score is 9.8 out of 10.