9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8 High
AI Score
Confidence
High
0.053 Low
EPSS
Percentile
93.1%
# Exploit Title: Bookwyrm v0.4.3 - Authentication Bypass
# Date: 2022-08-4
# Exploit Author: Akshay Ravi
# Vendor Homepage: https://github.com/bookwyrm-social/bookwyrm
# Software Link: https://github.com/bookwyrm-social/bookwyrm/releases/tag/v0.4.3
# Version: <= 4.0.3
# Tested on: MacOS Monterey
# CVE: CVE-2022-2651
# Original Report Link: https://huntr.dev/bounties/428eee94-f1a0-45d0-9e25-318641115550/
Description: Email Verification Bypass Leads To Account Takeover in bookwyrm-social/bookwyrm v0.4.3 Due To Lack Of Ratelimit Protection
# Steps to reproduce:
1. Create a acount with victims email id
2. When the account is created, its ask for email confirmation via validating OTP
Endpoint: https://site/confirm-email
3. Enter any random OTP and try to perfrom bruteforce attack and if otp matches, We can takeover that account
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8 High
AI Score
Confidence
High
0.053 Low
EPSS
Percentile
93.1%