shield Access Control

MBC & ZZSH’s November 2022 Access Control: vector breakdown

On November 2022, – MBC & ZZSH suffered a access control — the first of 77 documented access control incidents in our archive where the loss figure was not publicly disclosed but the exploit pattern is documented below.

Attack Mechanics: How the – MBC & ZZSH Access Control Played Out

Exploit Class Applied to – MBC & ZZSH

The – MBC & ZZSH incident on November 29, 2022 is classified as a Access Control. A privileged function lacks a proper authorisation check, letting an unauthorised caller execute it. In the full archive, – MBC & ZZSH is 1 of 77 documented access control incidents.

– MBC & ZZSH in Context

The – MBC & ZZSH incident joins a class whose largest loss to date is Corkprotocol (2025) at $12M.

Prior Access Control Before – MBC & ZZSH

The nearest access control incident before – MBC & ZZSH was ULME, 35 days earlier on October 25, 2022. The same exploit class surfaced again within the access control attack surface.

– MBC & ZZSH Vulnerability Signature

The primary source categorises the – MBC & ZZSH exploit specifically as “Business Logic Flaw & Access Control”. This narrower label is entity-specific: it reflects how the – MBC & ZZSH contract failed, rather than the broad access control pattern alone.

Impact & Recovery for – MBC & ZZSH

– MBC & ZZSH Loss Figure

The loss figure for – MBC & ZZSH is not publicly disclosed. The primary source reports the exploit in non-USD terms, so no USD estimate is published here. For reference, the average loss across 77 access control incidents in our archive is $636K.

Timeline Since the – MBC & ZZSH Incident

The – MBC & ZZSH exploit occurred 3.4 years ago (1,232 days). The contract, its fork-block, and the attack transaction remain on-chain and forensically reproducible.

Primary Reference for – MBC & ZZSH

Public post-mortem / on-chain analysis for the – MBC & ZZSH incident: view source.

FAQ

How much did – MBC & ZZSH lose?

The – MBC & ZZSH loss figure is not publicly disclosed. The primary source reports the exploit in non-USD token terms, so no USD estimate is published here.

When did the – MBC & ZZSH hack happen?

The – MBC & ZZSH exploit was recorded on November 29, 2022 — 1,232 days ago.

What type of exploit hit – MBC & ZZSH?

The – MBC & ZZSH incident is classified as a Access Control. A privileged function lacks a proper authorisation check, letting an unauthorised caller execute it.

How common is the Access Control pattern seen at – MBC & ZZSH?

Our archive contains 77 documented access control incidents. The – MBC & ZZSH incident is one of them.

How does – MBC & ZZSH compare to the largest Access Control attack?

The largest access control incident in our archive is Corkprotocol (2025) at $12M. The – MBC & ZZSH loss was not publicly disclosed.

What evaluation metrics are used to assess the models?

Accuracy, precision, recall, and F1 score.

According to the study, what percentage of companies believe missing out on blockchain technology could result in a competitive disadvantage?

Half of the companies interviewed agree on the potential competitive disadvantage.