Unrated severityNVD Advisory· Published May 24, 2012· Updated Apr 29, 2026

CVE-2012-1821

Description

The Network Threat Protection module in the Manager component in Symantec Endpoint Protection (SEP) 11.0.600x through 11.0.700x on Windows Server 2003 allows remote attackers to cause a denial of service (web-server outage, or daemon crash or hang) via a flood of packets that triggers automated blocking of network traffic.

Affected products

Symantec/Endpoint Protection7 versions
cpe:2.3:a:symantec:endpoint_protection:11.0.6000:*:*:*:*:*:*:*+ 6 more
- cpe:2.3:a:symantec:endpoint_protection:11.0.6000:*:*:*:*:*:*:*
- cpe:2.3:a:symantec:endpoint_protection:11.0.6100:*:*:*:*:*:*:*
- cpe:2.3:a:symantec:endpoint_protection:11.0.6200:*:*:*:*:*:*:*
- cpe:2.3:a:symantec:endpoint_protection:11.0.6200.754:*:*:*:*:*:*:*
- cpe:2.3:a:symantec:endpoint_protection:11.0.6300:*:*:*:*:*:*:*
- cpe:2.3:a:symantec:endpoint_protection:11.0.7000:*:*:*:*:*:*:*
- cpe:2.3:a:symantec:endpoint_protection:11.0.7100:*:*:*:*:*:*:*

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

www.symantec.com/security_response/securityupdates/detail.jspnvdVendor Advisory
osvdb.org/82147nvd
secunia.com/advisories/49221nvd
www.kb.cert.org/vuls/id/149070nvd
www.securityfocus.com/bid/50358nvd
www.securitytracker.com/idnvd

News mentions

No linked articles in our index yet.

cvss	0.000
epss	0.002
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000