> For the complete documentation index, see [llms.txt](https://ret2basic.gitbook.io/ctfnote/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ret2basic.gitbook.io/ctfnote/web3-security-research/vulnerabilities/bizzare-bug-classes/time-erc2771context-+-multicall-calldata-manipulation.md).

# TIME - ERC2771Context + Multicall calldata manipulation

## Reference

{% embed url="<https://blog.openzeppelin.com/arbitrary-address-spoofing-vulnerability-erc2771context-multicall-public-disclosure>" %}

{% embed url="<https://www.certik.com/resources/blog/5SXRcPGmshARXGrWxfgsAv-time>" %}

## Root cause

## Mitigation