Metasoft 美特软件 MetaCRM Interface sql.jsp Statement.executeUpdate sql injection

A vulnerability has been found in Metasoft 美特软件 MetaCRM up to 6.4.0. This vulnerability affects the function Statement.executeUpdate of the file sql.jsp of the component Interface. Such manipulation of the argument sql leads to sql injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.