Novell GroupWise 7 before SP2 20070524, and GroupWise 6 before 6.5 post-SP6 20070522, allows remote attackers to obtain credentials via a man-in-the-middle attack.

Multiple cross-site scripting (XSS) vulnerabilities in webacc in Novell GroupWise WebAccess before 7 Support Pack 3 Public Beta allow remote attackers to inject arbitrary web script or HTML via the (1) User.html, (2) Error, (3) User.Theme.index, and (4) and User.lang parameters.

Cross-site scripting (XSS) vulnerability in the login page in Novell GroupWise WebAccess 6.5 before 20060721 and WebAccess 7 before 20060727 allows remote attackers to inject arbitrary web script or HTML via the GWAP.version parameter.

Cross-site scripting (XSS) vulnerability in Novell GroupWise WebAccess 6.5 and 7 before 20060727 allows remote attackers to inject arbitrary web script or HTML via an encoded SCRIPT element in an e-mail message with the UTF-7 character set, as demonstrated by the "+ADw-SCRIPT+AD4-" sequence.

Unspecified vulnerability in the Windows Client API in Novell GroupWise 5.x through 7 might allow users to obtain "random programmatic access" to other email within the same post office.

Integer overflow in the registry parsing code in GroupWise 6.5.3, and possibly earlier version, allows remote attackers to cause a denial of service (application crash) via a large TCP/IP port in the Windows registry key.

grpWise.exe for Novell GroupWise client 5.5 through 6.5.2 stores the password in plaintext in memory, which allows attackers to obtain the password using a debugger or another mechanism to read process memory.

Buffer overflow in Novell GroupWise 6.5 Client allows remote attackers to execute arbitrary code via a GWVW02xx.INI language file with a long entry, as demonstrated using a long ES02TKS.VEW value in the Group Task section.

Cross-site scripting (XSS) vulnerability in Novell Groupwise WebAccess 6.5 before July 11, 2005 allows remote attackers to inject arbitrary web script or HTML via an e-mail message with an encoded javascript URI (e.g. "j&#X41vascript" in an IMG tag.

NOTE: this issue has been disputed by the vendor. The error module in Novell GroupWise WebAccess allows remote attackers who have not authenticated to read potentially sensitive information, such as the version, via an incorrect login and a modified (1) error or (2) modify parameter that returns template files or the "about" information page. NOTE: the vendor has disputed this issue