CVE-2021-48018: vyper 0.2.13 to before 0.2.15

Affected technology

vyper · 0.2.13 to before 0.2.15
vyperlang

Description’s affected range: before 0.2.15 allocates storage slots for @nonreentrant reentrancy locks at the same locations as contract storage variables

Component: Not specified by the source
Function: using

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Vendor/CNA’s CVSS 4.0 assessment (base score 8.3/10) rates confidentiality impact as none; integrity and availability impact as high. The description does not specify what an attacker can achieve beyond these rated impacts.