CVE-2013-1100
The HTTP server in Cisco IOS on Catalyst switches does not properly handle TCP socket events,...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2013-1100- CVSS 2.0
- 5.4 Medium
AV:N/AC:H/Au:N/C:N/I:N/A:C - Weakness
- CWE-399
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2013-1100- Updated
- 2026-11-02
EUVDEUVD-2013-1140 No score
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.
- Record
EUVD-2013-1140- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-j322-mvhj-p6c7 No score
The HTTP server in Cisco IOS on Catalyst switches does not properly handle TCP socket events,...
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.
- Record
GHSA-j322-mvhj-p6c7- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2013-1100 is a medium vulnerability (CVSS 5.4) in Cisco Ios, published February 13, 2013. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.46%, the 73rd percentile. No source names a fixed version.