What is CVE-2018-0209?

CVE-2018-0209 is a high-severity vulnerability in Cisco Sf500-24, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.7/10. Published 2018-03-08.

How severe is CVE-2018-0209?

High severity. CVSS v3 base score is 7.7 out of 10.

Buffer overflow in Cisco Sf500-24

CVE-2018-0209

A vulnerability in the Simple Network Management Protocol (SNMP) subsystem communication channel through the Cisco 550X Series Stackable Managed Switches could allow an authenticated, remote attacker to cause the device to reload unexpectedly, causing a denial of service (DoS) condition. The device nay need to be manually reloaded to recover. The vulnerability is due to lack of proper input throttling of ingress SNMP traffic over an internal interface. An attacker could exploit this vulnerability by sending a crafted, heavy stream of SNMP traffic to the targeted device. An exploit could allow the attacker to cause the device to reload unexpectedly, causing a DoS condition. Cisco Bug IDs: CSCvg22135.

Vulnerability class: Buffer Overflow

EPSS: 0.016 (73.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

psirt@cisco.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
psirt@cisco.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2018-0209?: CVE-2018-0209 is a high-severity vulnerability in Cisco Sf500-24, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.7/10. Published 2018-03-08.
How severe is CVE-2018-0209?: High severity. CVSS v3 base score is 7.7 out of 10.