Symantec ON Command CCM 5.4.x and iCommand 3.0.x has four default usernames and passwords, one of which is hardcoded, which allows remote attackers to gain unauthorized access.

Multiple unknown vulnerabilities in the ActiveX and HTML file browsers in Symantec Clientless VPN Gateway 4400 Series 5.0 have unknown attack vectors and unknown impact.

Symantec Norton Personal Firewall 2002 allows remote attackers to bypass the portscan protection by using a (1) SYN/FIN, (2) SYN/FIN/URG, (3) SYN/FIN/PUSH, or (4) SYN/FIN/URG/PUSH scan.

Symantec Enterprise Firewall/VPN Appliances 100, 200, and 200R running firmware before 1.63 and Gateway Security 320, 360, and 360R running firmware before 622 uses a default read/write SNMP community string, which allows remote attackers to alter the firewall's configuration file.

Symantec Enterprise Firewall/VPN Appliances 100, 200, and 200R running firmware before 1.63 and Gateway Security 320, 360, and 360R running firmware before 622 allow remote attackers to bypass filtering and determine whether the device is running services such as tftpd, snmpd, or isakmp via a UDP port scan with a source port of UDP 53.

NOTE: this issue has been disputed by the vendor. Symantec Norton AntiVirus (NAV) 2002 allows remote attackers to bypass e-mail scanning via a filename in the Content-Type field with an excluded extension such as .nch or .dbx, but a malicious extension in the Content-Disposition field, which is used by Outlook to obtain the file name. NOTE: the vendor has disputed this issue, acknowledging that the initial scan is bypassed, but Norton AntiVirus or the Office plug-in would detect the virus before it is executed

The default configuration of Norton AntiVirus for Microsoft Exchange 2000 2.x allows remote attackers to identify the recipient's INBOX file path by sending an email with an attachment containing malicious content, which includes the path in the rejection notice.

The default encryption method of PcAnywhere 9.x uses weak encryption, which allows remote attackers to sniff and decrypt PcAnywhere or NT domain accounts.

Symantec Enterprise Firewall/VPN Appliances 100, 200, and 200R running firmware before 1.63 allow remote attackers to cause a denial of service (device freeze) via a fast UDP port scan on the WAN interface.

The Sun Java Plugin capability in Java 2 Runtime Environment (JRE) 1.4.2_01, 1.4.2_04, and possibly earlier versions, does not properly restrict access between Javascript and Java applets during data transfer, which allows remote attackers to load unsafe classes and execute arbitrary code by using the reflection API to access private Java packages.

NOTE: this issue has been disputed by the vendor. Symantec Norton AntiVirus 2002 allows remote attackers to bypass virus protection via a Word Macro virus with a .nch or .dbx extension, which is automatically recognized and executed as a Microsoft Office document. NOTE: the vendor has disputed this issue, acknowledging that the initial scan is bypassed, but the Office plug-in would detect the virus before it is executed

Symantec Norton AntiVirus 2004, and earlier versions, allows a virus or other malicious code to avoid detection or cause a denial of service (application crash) using a filename containing an MS-DOS device name.

Symantec Norton AntiVirus 2002 and 2003 allows remote attackers to cause a denial of service (CPU consumption) via a compressed archive that contains a large number of directories.

Symantec pcAnywhere 12.5 uses weak default permissions for the "Symantec\pcAnywhere\Hosts" folder, which allows local users to gain privileges by inserting a superuser .cif (aka caller or CallerID) file into the folder, and then using a pcAnywhere client to login as a local administrator.

NOTE: this issue has been disputed by the vendor. Symantec Norton AntiVirus (NAV) 2002 allows remote attackers to bypass the initial virus scan and cause NAV to prematurely stop scanning by using a non-RFC compliant MIME header. NOTE: the vendor has disputed this issue, acknowledging that the initial scan is bypassed, but the AutoProtect feature would detect the virus before it is executed

Symantec Ghost 6.5 and earlier allows a remote attacker to create a denial of service by sending large (> 45Kb) amounts of data to the Ghost Configuration Server on port 1347, which triggers an error that is not properly handled.

Brightmail Spamfilter 6.0 and earlier beta releases allows remote attackers to read mail from other users by modifying the id parameter in a viewMsgDetails.do request.

Symantec pcAnywhere 12.5 uses weak integrity protection for .cif (aka caller or CallerID) files, which allows local users to generate a custom .cif file and modify the superuser flag.

A certain ActiveX control in Symantec Norton AntiVirus 2004 allows remote attackers to cause a denial of service (resource consumption) and possibly execute arbitrary programs.

NOTE: this issue has been disputed by the vendor. Symantec Norton AntiVirus 2002 allows remote attackers to send viruses that bypass the e-mail scanning via a NULL character in the MIME header before the virus. NOTE: the vendor has disputed this issue, acknowledging that the initial scan is bypassed, but the AutoProtect feature would detect the virus before it is executed