CVE-2013-0680

CVE-2013-0680 describes a stack-based buffer overflow vulnerability in the web server component of Cogent Real-Time Systems DataHub products (including Cogent DataHub, OPC DataHub, Cascade DataHub, and DataHub QuickTrend) prior to specific versions. This flaw allows unauthenticated remote attackers to trigger a denial of service (daemon crash) or potentially execute arbitrary code by sending a crafted HTTP request with an excessively long header. With a CVSS score of 7.5, this vulnerability is considered highly severe due to its network-based attack vector and low attack complexity, enabling potential compromise of confidentiality, integrity, and availability. While not listed on the CISA KEV catalog, a Metasploit module exists for exploitation, indicating readily available exploit code, though there is minimal community discussion or media coverage surrounding this CVE.