CVE-2018-20422 — HIGH (8.1)

Vulnerability Description

Discuz! DiscuzX 3.4, when WeChat login is enabled, allows remote attackers to bypass authentication by leveraging a non-empty #wechat#common_member_wechatmp to gain login access to an account via a plugin.php ac=wxregister request (the attacker does not have control over which account will be accessed).

CVSS Score

8.1

HIGH

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

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Comsenz	Discuzx	x3.4

Related Weaknesses (CWE)

CWE-287

References

https://gitee.com/ComsenzDiscuz/DiscuzX/issues/IPRUIExploitIssue TrackingThird Party Advisory
https://gitee.com/ComsenzDiscuz/DiscuzX/issues/IPRUIExploitIssue TrackingThird Party Advisory

FAQ

What is CVE-2018-20422?

CVE-2018-20422 is a vulnerability with a CVSS score of 8.1 (HIGH). Discuz! DiscuzX 3.4, when WeChat login is enabled, allows remote attackers to bypass authentication by leveraging a non-empty #wechat#common_member_wechatmp to gain login access to an account via a pl...

How severe is CVE-2018-20422?

CVE-2018-20422 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2018-20422?

Check the references section above for vendor advisories and patch information. Affected products include: Comsenz Discuzx.