XML external entity (XXE) vulnerability in Zabbix 1.8.x before 1.8.21rc1, 2.0.x before 2.0.13rc1, 2.2.x before 2.2.5rc1, and 2.3.x before 2.3.2 allows remote attackers to read arbitrary files or potentially execute arbitrary code via a crafted DTD in an XML request.

Affected: Ubuntu:Pro:14.04:LTS: zabbix, Ubuntu:Pro:16.04:LTS: zabbix, Ubuntu:Pro:18.04:LTS: zabbix, Ubuntu:Pro:20.04:LTS: zabbix

Fu Chuang discovered that Zabbix did not properly parse IPs. A remote attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 14.04 ESM, Ubuntu 16.04 ESM and Ubuntu 18.04 ESM. (CVE-2020-11800)

It was discovered that Zabbix incorrectly handled certain requests. A remote attacker could possibly use this issue to execute arbitrary code. This issue only affected Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. (CVE-2017-2824, CVE-2017-2825)

It was discovered that Zabbix incorrectly handled certain XML files. A remote attacker could possibly use this issue to read arbitrary files or potentially execute arbitrary code. This issue only affected Ubuntu 14.04 ESM. (CVE-2014-3005)

It was discovered that Zabbix incorrectly handled certain inputs. A remote attacker could possibly use this issue to execute arbitrary SQL commands. This issue only affected Ubuntu 14.04 ESM. (CVE-2016-10134, CVE-2016-4338)

It was discovered that Zabbix incorrectly handled the request parameter. A remote attacker could possibly use this issue to redirect requests to external links. This issue only affected Ubuntu 14.04 ESM and Ubuntu 18.04 ESM. (CVE-2016-10742)

It was discovered that Zabbix incorrectly handled failed login attempts. A remote attacker could possibly use this issue to enumerate users. (CVE-2019-15132)

It was discovered that Zabbix did not properly validate input. A remote attacker could exploit this to conduct cross-site scripting (XSS) attacks. This issue…