{
  "threat_severity" : "Moderate",
  "public_date" : "2020-10-18T00:00:00Z",
  "bugzilla" : {
    "description" : "python-lxml: mXSS due to the use of improper parser",
    "id" : "1901633",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=1901633"
  },
  "cvss3" : {
    "cvss3_base_score" : "6.1",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
    "status" : "verified"
  },
  "cwe" : "CWE-79",
  "details" : [ "A XSS vulnerability was discovered in python-lxml's clean module. The module's parser didn't properly imitate browsers, which caused different behaviors between the sanitizer and the user's page. A remote attacker could exploit this flaw to run arbitrary HTML/JS code.", "A Cross-site Scripting (XSS) vulnerability was found in the python-lxml's clean module. The module's parser did not properly imitate browsers, causing different behaviors between the sanitizer and the user's page. This flaw allows a remote attacker to run arbitrary HTML/JS code. The highest threat from this vulnerability is to confidentiality and integrity." ],
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2021-05-18T00:00:00Z",
    "advisory" : "RHSA-2021:1761",
    "cpe" : "cpe:/a:redhat:enterprise_linux:8",
    "package" : "python27:2.7-8040020210122160212.cdb2db54"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2021-05-18T00:00:00Z",
    "advisory" : "RHSA-2021:1879",
    "cpe" : "cpe:/a:redhat:enterprise_linux:8",
    "package" : "python38:3.8-8040020210128125034.b1b639b6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2021-05-18T00:00:00Z",
    "advisory" : "RHSA-2021:1898",
    "cpe" : "cpe:/a:redhat:enterprise_linux:8",
    "package" : "python-lxml-0:4.2.3-2.el8"
  }, {
    "product_name" : "Red Hat Software Collections for Red Hat Enterprise Linux 7",
    "release_date" : "2021-08-24T00:00:00Z",
    "advisory" : "RHSA-2021:3254",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3::el7",
    "package" : "rh-python38-babel-0:2.7.0-12.el7"
  }, {
    "product_name" : "Red Hat Software Collections for Red Hat Enterprise Linux 7",
    "release_date" : "2021-08-24T00:00:00Z",
    "advisory" : "RHSA-2021:3254",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3::el7",
    "package" : "rh-python38-python-0:3.8.11-2.el7"
  }, {
    "product_name" : "Red Hat Software Collections for Red Hat Enterprise Linux 7",
    "release_date" : "2021-08-24T00:00:00Z",
    "advisory" : "RHSA-2021:3254",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3::el7",
    "package" : "rh-python38-python-cryptography-0:2.8-5.el7"
  }, {
    "product_name" : "Red Hat Software Collections for Red Hat Enterprise Linux 7",
    "release_date" : "2021-08-24T00:00:00Z",
    "advisory" : "RHSA-2021:3254",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3::el7",
    "package" : "rh-python38-python-jinja2-0:2.10.3-6.el7"
  }, {
    "product_name" : "Red Hat Software Collections for Red Hat Enterprise Linux 7",
    "release_date" : "2021-08-24T00:00:00Z",
    "advisory" : "RHSA-2021:3254",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3::el7",
    "package" : "rh-python38-python-lxml-0:4.4.1-7.el7"
  }, {
    "product_name" : "Red Hat Software Collections for Red Hat Enterprise Linux 7",
    "release_date" : "2021-08-24T00:00:00Z",
    "advisory" : "RHSA-2021:3254",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3::el7",
    "package" : "rh-python38-python-pip-0:19.3.1-2.el7"
  }, {
    "product_name" : "Red Hat Software Collections for Red Hat Enterprise Linux 7",
    "release_date" : "2021-08-24T00:00:00Z",
    "advisory" : "RHSA-2021:3254",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3::el7",
    "package" : "rh-python38-python-urllib3-0:1.25.7-7.el7"
  }, {
    "product_name" : "Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUS",
    "release_date" : "2021-08-24T00:00:00Z",
    "advisory" : "RHSA-2021:3254",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3::el7",
    "package" : "rh-python38-babel-0:2.7.0-12.el7"
  }, {
    "product_name" : "Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUS",
    "release_date" : "2021-08-24T00:00:00Z",
    "advisory" : "RHSA-2021:3254",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3::el7",
    "package" : "rh-python38-python-0:3.8.11-2.el7"
  }, {
    "product_name" : "Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUS",
    "release_date" : "2021-08-24T00:00:00Z",
    "advisory" : "RHSA-2021:3254",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3::el7",
    "package" : "rh-python38-python-cryptography-0:2.8-5.el7"
  }, {
    "product_name" : "Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUS",
    "release_date" : "2021-08-24T00:00:00Z",
    "advisory" : "RHSA-2021:3254",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3::el7",
    "package" : "rh-python38-python-jinja2-0:2.10.3-6.el7"
  }, {
    "product_name" : "Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUS",
    "release_date" : "2021-08-24T00:00:00Z",
    "advisory" : "RHSA-2021:3254",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3::el7",
    "package" : "rh-python38-python-lxml-0:4.4.1-7.el7"
  }, {
    "product_name" : "Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUS",
    "release_date" : "2021-08-24T00:00:00Z",
    "advisory" : "RHSA-2021:3254",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3::el7",
    "package" : "rh-python38-python-pip-0:19.3.1-2.el7"
  }, {
    "product_name" : "Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUS",
    "release_date" : "2021-08-24T00:00:00Z",
    "advisory" : "RHSA-2021:3254",
    "cpe" : "cpe:/a:redhat:rhel_software_collections:3::el7",
    "package" : "rh-python38-python-urllib3-0:1.25.7-7.el7"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 5",
    "fix_state" : "Out of support scope",
    "package_name" : "python-lxml",
    "cpe" : "cpe:/o:redhat:enterprise_linux:5"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Out of support scope",
    "package_name" : "python-lxml",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Out of support scope",
    "package_name" : "python-lxml",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Not affected",
    "package_name" : "python-lxml",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  }, {
    "product_name" : "Red Hat OpenStack Platform 10 (Newton)",
    "fix_state" : "Out of support scope",
    "package_name" : "python-lxml",
    "cpe" : "cpe:/a:redhat:openstack:10"
  }, {
    "product_name" : "Red Hat OpenStack Platform 13 (Queens)",
    "fix_state" : "Will not fix",
    "package_name" : "python-lxml",
    "cpe" : "cpe:/a:redhat:openstack:13"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2020-27783\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-27783" ],
  "name" : "CVE-2020-27783",
  "csaw" : false
}