CVE-2021-21706
CVSS V2 Medium 4.3
CVSS V3 Medium 6.5
Description
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.
Overview
- CVE ID
- CVE-2021-21706
- Assigner
- security@php.net
- Vulnerability Status
- Analyzed
- Published Version
- 2021-10-04T04:15:08
- Last Modified Date
- 2021-11-03T20:24:36
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| AND | ||||
| cpe:2.3:a:php:php:*:*:*:*:*:*:*:* | 1 | OR | 7.3.0 | 7.3.31 |
| cpe:2.3:a:php:php:*:*:*:*:*:*:*:* | 1 | OR | 7.4.0 | 7.4.24 |
| cpe:2.3:a:php:php:*:*:*:*:*:*:*:* | 1 | OR | 8.0.0 | 8.0.11 |
| cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* | 0 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:N/I:P/A:N
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- PARTIAL
- Availability Impact
- NONE
- Base Score
- 4.3
- Severity
- MEDIUM
- Exploitability Score
- 8.6
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality Impact
- NONE
- Availability Impact
- NONE
- Base Score
- 6.5
- Base Severity
- MEDIUM
- Exploitability Score
- 2.8
- Impact Score
- 3.6
References
| Reference URL | Reference Tags |
|---|---|
| https://bugs.php.net/bug.php?id=81420 | Issue Tracking Patch Vendor Advisory |
| https://security.netapp.com/advisory/ntap-20211029-0007/ | Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-21706 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21706 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:48:28 | Added to TrackCVE | |||
| 2022-12-05 11:41:22 | 2021-10-04T04:15Z | 2021-10-04T04:15:08 | CVE Published Date | updated |
| 2022-12-05 11:41:22 | 2021-11-03T20:24:36 | CVE Modified Date | updated | |
| 2022-12-05 11:41:23 | Analyzed | Vulnerability Status | updated |