The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the TSSA-2022:0273 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities: CVE-2021-21703: In PHP versions 7.3.x up to and including 7.3.31, 7.4.x below 7.4.25 and 8.0.x below 8.0.12, when running PHP FPM SAPI with main FPM daemon process running as root and child worker processes running as lower-privileged users, it is possible for the child processes to access memory shared with the main process and write to it, modifying it in a way that would cause the root process to conduct invalid memory reads and writes, which can be used to escalate privileges from local unprivileged user to the root user. Tenable has extracted the preceding description block directly from the Tencent Linux security advisory. Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version…Read More