Vulnerability Monitor

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CVE-2021-21706

In PHP versions 7.3.x below 7.3.31, 7.4.x below 7.4.24 and 8.0.x below 8.0.11, in Microsoft Windows environment, ZipArchive::extractTo may be tricked into writing a file outside target directory when extracting a ZIP file, thus potentially causing files to be created or overwritten, subject to OS permissions.

Published

2021-10-04T04:15:08.350

Last Modified

2024-11-21T05:48:52.470

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.3 (MEDIUM)

CVSSv2 Vector

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

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

8.6

Impact Score

2.9

Weaknesses
  • Type: Secondary
    CWE-24
  • Type: Primary
    CWE-22
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application php php < 7.3.31 Yes
Application php php < 7.4.24 Yes
Application php php < 8.0.11 Yes
Operating System microsoft windows - No
References