Vulnerability Monitor

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CVE-2021-43818

lxml is a library for processing XML and HTML in the Python language. Prior to version 4.6.5, the HTML Cleaner in lxml.html lets certain crafted script content pass through, as well as script content in SVG files embedded using data URIs. Users that employ the HTML cleaner in a security relevant context should upgrade to lxml 4.6.5 to receive a patch. There are no known workarounds available.

Published

2021-12-13T18:15:08.387

Last Modified

2024-11-21T06:29:51.497

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 8.2 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:P/I:P/A:P

  • Access Vector: NETWORK
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: PARTIAL
  • Availability Impact: PARTIAL
Exploitability Score

8.6

Impact Score

6.4

Weaknesses
  • Type: Secondary
    CWE-74
    CWE-79
  • Type: Primary
    CWE-79
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application lxml lxml < 4.6.5 Yes
Operating System fedoraproject fedora 34 Yes
Operating System fedoraproject fedora 35 Yes
Operating System debian debian_linux 9.0 Yes
Operating System debian debian_linux 10.0 Yes
Operating System debian debian_linux 11.0 Yes
Application netapp solidfire - Yes
Application netapp solidfire_enterprise_sds - Yes
Operating System netapp hci_storage_node_firmware - Yes
Hardware netapp hci_storage_node - No
Application oracle communications_cloud_native_core_binding_support_function 22.1.3 Yes
Application oracle communications_cloud_native_core_network_exposure_function 22.1.1 Yes
Application oracle communications_cloud_native_core_policy 22.2.0 Yes
Application oracle http_server 12.2.1.3.0 Yes
Application oracle http_server 12.2.1.4.0 Yes
Application oracle zfs_storage_appliance_kit 8.8 Yes
References