EMC Avamar Client before 6.1.101-89 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.

The web-based file-restore interface in EMC Avamar Server before 6.1.0 allows remote authenticated users to read arbitrary files via a crafted URL.

EMC Avamar 4.x, 5.0.x, and 6.0.x before 6.0.0-592 allows remote authenticated users to modify client data or obtain sensitive information about product activities by leveraging privileged access to a different domain.

Unspecified vulnerability in EMC Avamar before 5.0.4-30 allows remote authenticated users to gain privileges via unknown vectors.

The service utility in EMC Avamar 5.x before 5.0.4 uses cleartext to transmit event details in (1) service requests and (2) e-mail messages, which might allow remote attackers to obtain sensitive information by sniffing the network.