What is CVE-2016-1299?

CVE-2016-1299 is a medium-severity vulnerability in Cisco 300 Series Managed Switch Firmware, classified under CWE-399. CVSS score: 5.3/10. Published 2016-01-27.

How severe is CVE-2016-1299?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Cisco 300 Series Managed Switch Firmware

CVE-2016-1299

The web-management GUI implementation on Cisco Small Business SG300 devices 1.4.1.x allows remote attackers to cause a denial of service (HTTPS outage) via crafted HTTPS requests, aka Bug ID CSCuw87174.

Published 2016-01-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.013 (68.5th percentile), scored 2026-10-05.

Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 68.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.013 · change: +0.000

Affected products

Weakness classification (CWE)

CWE-399

References

tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160127… (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2016-1299?: CVE-2016-1299 is a medium-severity vulnerability in Cisco 300 Series Managed Switch Firmware, classified under CWE-399. CVSS score: 5.3/10. Published 2016-01-27.
How severe is CVE-2016-1299?: Medium severity. CVSS v3 base score is 5.3 out of 10.