Attacker Value
Very High
(2 users assessed)
Exploitability
Very High
(2 users assessed)
User Interaction
None
Privileges Required
None
Attack Vector
Network
0

CVE-2020-8510

Disclosure Date: February 03, 2020
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

An issue was discovered in phpABook 0.9 Intermediate. On the login page, if one sets a userInfo cookie with the value of admin+1+en (user+perms+lang), one can login as any user without a password.

Add Assessment

4
Ratings
  • Attacker Value
    Very High
  • Exploitability
    Very High
Technical Analysis

CVE in SourceForge project phpABook V0.9i (https://sourceforge.net/projects/phpabook/)

Bypass auth through creation or modification of a cookie..

Cookie named userinfo has its value set as user+perms+lang.
Possibility to authenticate as a regular or privileged user with perms.

1
Ratings
Technical Analysis

Easy to exploit, although software not common in enterprise, this can lead to dumping of a contact book and adding more contacts which can lead to a SE attack

CVSS V3 Severity and Metrics
Base Score:
9.8 Critical
Impact Score:
5.9
Exploitability Score:
3.9
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High

General Information

Additional Info

Technical Analysis