A vulnerability within the authentication process of Abacus ERP allows a remote attacker to bypass the second authentication factor. This issue affects: Abacus ERP v2022 versions prior to R1 of 2022-01-15; v2021 versions prior to R4 of 2022-01-15; v2020 versions prior to R6 of 2022-01-15; v2019 versions later than R5 (service pack); v2018 versions later than R5 (service pack). This issue does not affect: Abacus ERP v2019 versions prior to R5 of 2020-03-15; v2018 versions prior to R7 of 2020-04-15; v2017 version and prior versions and prior versions.
Solution:
The product implements an authentication technique, but it skips a step that weakens the technique.
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
| Link | Tags |
|---|---|
| https://www.redguard.ch/advisories/abacus_mfa_bypass.txt | third party advisory exploit |