What is CVE-2020-3509?

CVE-2020-3509 is a high-severity vulnerability in Cisco Ios Xe Software, classified under CWE-388. CVSS score: 8.6/10. Published 2020-09-24.

How severe is CVE-2020-3509?

High severity. CVSS v3 base score is 8.6 out of 10.

Vulnerability in Cisco Ios Xe Software

CVE-2020-3509

A vulnerability in the DHCP message handler of Cisco IOS XE Software for Cisco cBR-8 Converged Broadband Routers could allow an unauthenticated, remote attacker to cause the supervisor to crash, which could result in a denial of service (D…

EPSS: 0.012 (78.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.

Affected products

Cisco Ios Xe Software — versions n/a

Weakness classification (CWE)

CWE-388

References

20200924 Cisco IOS XE Software for Cisco cBR-8 Converged Broadband Routers DHCP Denial of Service Vulnerability (vendor-advisory, x_refsource_CISCO)

Frequently asked questions

What is CVE-2020-3509?: CVE-2020-3509 is a high-severity vulnerability in Cisco Ios Xe Software, classified under CWE-388. CVSS score: 8.6/10. Published 2020-09-24.
How severe is CVE-2020-3509?: High severity. CVSS v3 base score is 8.6 out of 10.