Vulnerability in Atlassian Questions For Confluence App for Confluence Server and Data Center
CVE-2022-26138

9.8CRITICAL

Key Information:

Vendor

Atlassian

Vendor
CVE Published:
20 July 2022

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 94%🦅 CISA Reported

What is CVE-2022-26138?

The Atlassian Questions For Confluence app vulnerabilities allow the creation of a user account named 'disabledsystemuser' with a hardcoded password upon installation of specific app versions. An unauthenticated attacker who is aware of this password can exploit this flaw to gain unauthorized access to Confluence, potentially leading to unauthorized viewing of all content available to users in the confluence-users group. This issue poses a significant risk to the security and integrity of user data in Confluence environments.

CISA has reported CVE-2022-26138

CISA provides regional cyber and physical services to support security and resilience across the United States. CISA monitor the most dangerious vulnerabilities and have identifed CVE-2022-26138 as being exploited but is not known by the CISA to be used in ransomware campaigns. This is subject to change at pace

The CISA's recommendation is: Apply updates per vendor instructions.

Affected Version(s)

Questions For Confluence 2.7.34

Questions For Confluence 2.7.35

Questions For Confluence 3.0.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

References

EPSS Score

94% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • 🦅

    CISA Reported

  • Vulnerability published

  • Vulnerability Reserved

.