What is CVE-2021-34737?

CVE-2021-34737 is a medium-severity vulnerability in Cisco Asr_9000v-v2, classified under NULL Pointer Dereference. CVSS score: 5.8/10. Published 2021-09-09.

How severe is CVE-2021-34737?

Medium severity. CVSS v3 base score is 5.8 out of 10.

NULL pointer dereference in Cisco Asr_9000v-v2

CVE-2021-34737

A vulnerability in the DHCP version 4 (DHCPv4) server feature of Cisco IOS XR Software could allow an unauthenticated, remote attacker to trigger a crash of the dhcpd process, resulting in a denial of service (DoS) condition. This vulnerab…

EPSS: 0.013 (66.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L.

Affected products

Cisco Asr_9000v-v2
Cisco Asr_9001
Cisco Asr_9006
Cisco Asr_9010
Cisco Asr_9901
Cisco Asr_9902
Cisco Asr_9903
Cisco Asr_9904
Cisco Asr_9906
Cisco Asr_9910

Weakness classification (CWE)

CWE-476 — NULL Pointer Dereference

References

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

Frequently asked questions

What is CVE-2021-34737?: CVE-2021-34737 is a medium-severity vulnerability in Cisco Asr_9000v-v2, classified under NULL Pointer Dereference. CVSS score: 5.8/10. Published 2021-09-09.
How severe is CVE-2021-34737?: Medium severity. CVSS v3 base score is 5.8 out of 10.