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CVE-2021-26084 — Proof-of-concept exploit for CVE-2021-26084, an OGNL injection vulnerability in Atlassian Confluence Server allowing unauthenticated remote code execution. | Kitploit
Tools/GitHubGitHub/wdjcy/cve-2021-26084
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GitHubwdjcy/cve-2021-26084

CVE-2021-26084

Proof-of-concept exploit for CVE-2021-26084, an OGNL injection vulnerability in Atlassian Confluence Server allowing unauthenticated remote code execution.

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4 years agoNot yet reviewed

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Confluence Server Webwork Pre-Auth OGNL Injection (CVE-2021-26084)

Confluence is a web-based corporate wiki developed by Australian software company Atlassian.

An OGNL injection vulnerability exists that allows an unauthenticated attacker to execute arbitrary code on a Confluence Server or Data Center instance.

References

  • https://confluence.atlassian.com/doc/confluence-security-advisory-2021-08-25-1077906215.html
  • https://jira.atlassian.com/browse/CONFSERVER-67940
  • https://github.com/httpvoid/writeups/blob/main/Confluence-RCE.md
  • https://github.com/h3v0x/CVE-2021-26084_Confluence

Vulnerable Environment

Execute following command to start a Confluence Server 7.4.10:

root@kitploit:~
docker-compose up -d

After the environment starts, visit http://your-ip:8090 and you will see the installation guide, select "Trial installation", then you will be asked to fill in the license key. You should apply for a Confluence Server test certificate from Atlassian.

On the database configuration page, fill in the form with database address db, database name , username , password .

confluence
postgres
postgres
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