WP Fastest Cache up to 0.9.1.6 on WordPress pathname traversal

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.7$0-$5k0.00

A vulnerability has been found in WP Fastest Cache up to 0.9.1.6 on WordPress (WordPress Plugin) and classified as problematic. This vulnerability affects an unknown code. The manipulation with an unknown input leads to a directory traversal vulnerability. The CWE definition for the vulnerability is CWE-21. As an impact it is known to affect integrity, and availability. CVE summarizes:

Directory traversal vulnerability in WP Fastest Cache versions prior to 0.9.1.7 allows a remote attacker with administrator privileges to delete arbitrary files on the server via unspecified vectors.

The weakness was released 04/27/2021. The advisory is shared for download at jvn.jp. This vulnerability was named CVE-2021-20714 since 12/17/2020. The exploitation appears to be easy. The attack can be initiated remotely. The exploitation needs additional levels of successful authentication. There are neither technical details nor an exploit publicly available.

Upgrading to version 0.9.1.7 eliminates this vulnerability.

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CPE 2.3infoedit

CPE 2.2infoedit

CVSSv3infoedit

VulDB Meta Base Score: 3.8
VulDB Meta Temp Score: 3.7

VulDB Base Score: 3.8
VulDB Temp Score: 3.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2infoedit

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfoedit

Class: Directory traversal
CWE: CWE-21
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: WP Fastest Cache 0.9.1.7

Timelineinfoedit

12/17/2020 CVE assigned
04/27/2021 +130 days Advisory disclosed
04/27/2021 +0 days VulDB entry created
05/02/2021 +5 days VulDB last update

Sourcesinfoedit

Advisory: jvn.jp
Status: Confirmed

CVE: CVE-2021-20714 (🔒)

Entryinfoedit

Created: 04/27/2021 04:31 PM
Updated: 05/02/2021 07:46 AM
Changes: (5) vulnerability_cvss2_vuldb_tempscore vulnerability_cvss3_meta_tempscore vulnerability_cvss3_vuldb_tempscore source_cve_assigned source_cve_nvd_summary
Complete: 🔍

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