CVE-2022-1065
📋 TL;DR
This vulnerability allows remote attackers to bypass the second authentication factor (MFA) in Abacus ERP systems. Attackers can potentially gain unauthorized access to sensitive business data and administrative functions. Affected versions include Abacus ERP v2022 prior to R1, v2021 prior to R4, v2020 prior to R6, and certain v2019/v2018 versions.
💻 Affected Systems
- Abacus ERP
📦 What is this software?
⚠️ Risk & Real-World Impact
Worst Case
Complete compromise of ERP system with administrative privileges, leading to data theft, financial fraud, and business disruption.
Likely Case
Unauthorized access to sensitive business data, financial records, and employee information.
If Mitigated
Limited impact if strong network segmentation, monitoring, and additional authentication layers are in place.
🎯 Exploit Status
Exploit requires initial authentication but bypasses second factor. Public advisory includes technical details.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: v2022 R1 (2022-01-15), v2021 R4 (2022-01-15), v2020 R6 (2022-01-15)
Vendor Advisory: https://www.redguard.ch/advisories/abacus_mfa_bypass.txt
Restart Required: Yes
Instructions:
1. Identify affected Abacus ERP version. 2. Apply the appropriate patch: v2022 update to R1, v2021 update to R4, v2020 update to R6. 3. Restart the ERP application/services. 4. Verify MFA is functioning correctly.
🔧 Temporary Workarounds
Network Segmentation
allRestrict access to Abacus ERP to internal networks only using firewall rules.
IP Whitelisting
allAllow access only from trusted IP addresses or VPN ranges.
🧯 If You Can't Patch
- Implement strict network segmentation to isolate ERP system from untrusted networks
- Enable detailed logging and monitoring for authentication attempts and MFA bypass patterns
🔍 How to Verify
Check if Vulnerable:
Check Abacus ERP version against affected version ranges. Test MFA functionality by attempting authentication without second factor.Check Version:
Check within Abacus ERP administration interface or consult system documentation for version information.Verify Fix Applied:
After patching, verify that MFA cannot be bypassed by testing authentication flows. Confirm version shows patched release.📡 Detection & Monitoring
Log Indicators:
- Authentication logs showing successful login without second factor completion
- Multiple failed MFA attempts followed by successful login
Network Indicators:
- Unusual authentication patterns from external IPs
- Traffic to authentication endpoints without expected MFA sequence
SIEM Query:
source="abacus_erp" AND (event_type="authentication" AND mfa_status="bypassed" OR mfa_status="missing")