What is CVE-2011-1640?

CVE-2011-1640 is a high-severity vulnerability in Cisco Ios, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2011-10-22.

How severe is CVE-2011-1640?

High severity. CVSS v3 base score is 7.5 out of 10.

Resource exhaustion in Cisco Ios

CVE-2011-1640

The ethernet-lldp component in Cisco IOS 12.2 before 12.2(33)SXJ1 does not properly support a large number of LLDP Management Address (MA) TLVs, which allows remote attackers to cause a denial of service (device crash) via crafted LLDPDUs, aka Bug ID CSCtj22354.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.018 (75.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Cisco Ios
N/a — versions n/a

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

References

psirt@cisco.com (x_refsource_CONFIRM, Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2011-1640?: CVE-2011-1640 is a high-severity vulnerability in Cisco Ios, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2011-10-22.
How severe is CVE-2011-1640?: High severity. CVSS v3 base score is 7.5 out of 10.