Detections
Analytics

Atlassian Confluence Server Arbitrary File Read (CVE-2021-26085)

medium Nessus Plugin ID 154244

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Synopsis

The remote web server hosts a web application that is affected by an arbitrary file read vulnerability.

Description

An arbitrary file read vulnerability exists in the /s/ endpoint of Atlassian Confluence Server. An unauthenticated, remote attacker can abuse this vulnerability to view restricted resources

Solution

Upgrade to Atlassian Confluence Server 7.4.10, 7.12.3, 7.13.0, 7.14.0 or later.

See Also

https://jira.atlassian.com/browse/CONFSERVER-67893

Plugin Details

Severity: Medium

ID: 154244

File Name: confluence_cve-2021-26085.nbin

Version: 1.63

Type: remote

Family: CGI abuses

Published: 10/20/2021

Updated: 11/12/2024

Configuration: Enable thorough checks

Supported Sensors: Nessus

Enable CGI Scanning: true

Risk Information

VPR

Risk Factor: Low

Score: 2.9

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 4.1

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

CVSS Score Source: CVE-2021-26085

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.9

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Temporal Vector: CVSS:3.0/E:F/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:atlassian:confluence

Required KB Items: installed_sw/confluence

Excluded KB Items: Settings/disable_cgi_scanning

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/29/2021

Vulnerability Publication Date: 7/21/2021

CISA Known Exploited Vulnerability Due Dates: 4/18/2022

Exploitable With

Elliot (Confluence < 7.12.3 File Disclosure)

Reference Information

CVE: CVE-2021-26085

IAVA: 2021-A-0565-S