Vulnerability Report

CVE-2017-18106

Title: Atlassian Crowd Auth Bypass

Auth Bypass

Proof Of Concept

No public PoC currently indexed for CVE-2017-18106.

CWE Category CWE-287
Published Date Mar 29, 2019
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 7.5 CVSS v3.0
Exploit Probability (EPSS)
1.24%

Vulnerability Summary

CVE-2017-18106: The identifier_hash for a session token in Atlassian Crowd before version 2.9.1 could potentially collide with an identifier_hash for another user or a user in a different directory, this allows remote attackers who can authenticate to Crowd or an application using Crowd for authentication to gain access to another user's session provided they can make their identifier hash collide with another user's session identifier hash.

Impacted Vendors

A
atlassian 1

Reference Links

https://jira.atlassian.com/browse/CWD-5061 https://jira.atlassian.com/browse/CWD-5061
CVSS v3.0
Source Entity [email protected]
Severity HIGH
7.5
Attack Vector
NETWORK
Complexity
HIGH
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
6.0
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:M/Au:S/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2017-18106 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity HIGH
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.