What is CVE-2019-1892?

CVE-2019-1892 is a high-severity vulnerability in Cisco Small Business 300 Series Managed Switches, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2019-07-06.

How severe is CVE-2019-1892?

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

Buffer overflow in Cisco Small Business 300 Series Managed Switches

CVE-2019-1892

A vulnerability in the Secure Sockets Layer (SSL) input packet processor of Cisco Small Business 200, 300, and 500 Series Managed Switches could allow an unauthenticated, remote attacker to cause a memory corruption on an affected device…

Vulnerability class: Buffer Overflow

EPSS: 0.018 (75.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/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 (x_refsource_CISCO, vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2019-1892?: CVE-2019-1892 is a high-severity vulnerability in Cisco Small Business 300 Series Managed Switches, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2019-07-06.
How severe is CVE-2019-1892?: High severity. CVSS v3 base score is 7.5 out of 10.