Is CVE-2013-1100 actively exploited?

CVE-2013-1100 has no public evidence of in-the-wild exploitation as of 2025-04-11.

What is the CVSS score for CVE-2013-1100?

CVE-2013-1100 has a CVSS score of 5.4 (UNKNOWN severity). Vector: AV:N/AC:H/Au:N/C:N/I:N/A:C.

How do I patch CVE-2013-1100?

Patch guidance is available from cisco security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2013-1100.

CVE-2013-1100 - remediation guidance & executive summary

Description

The HTTP server in Cisco IOS on Catalyst switches does not properly handle TCP socket events, which allows remote attackers to cause a denial of service (device crash) via crafted packets on TCP port (1) 80 or (2) 443, aka Bug ID CSCuc53853.

CVSS Metrics

Vector: AV:N/AC:H/Au:N/C:N/I:N/A:C
Access Vector: network
Access Cmplx: high
Auth: none
Confidentiality: none
Integrity: none
Availability: complete
Weaknesses: CWE-399

Metadata

Primary Vendor: CISCO
Published: 2/13/2013
Last Modified: 4/11/2025
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

CVE-2013-1100

Description

CVSS Metrics

Metadata

Affected Products

Remediation Guidance

Executive Summary