CVE-2020-35962
Loopring LRC Smart Contract Fee Swapping Privilege Escalation Vulnerability
Description
The sellTokenForLRC function in the vault protocol in the smart contract implementation for Loopring (LRC), an Ethereum token, lacks access control for fee swapping and thus allows price manipulation.
INFO
Published Date :
Jan. 3, 2021, 7:15 a.m.
Last Modified :
July 21, 2021, 11:39 a.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2020-35962.
| URL | Resource |
|---|---|
| https://blocksecteam.medium.com/loopring-lrc-protocol-incident-66e9470bd51f | Exploit Third Party Advisory |
| https://etherscan.io/address/0x4b89f8996892d137c3de1312d1dd4e4f4ffca171 | Third Party Advisory |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-35962 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-35962 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CWE Remap by [email protected]
Jul. 21, 2021
Action Type Old Value New Value Changed CWE CWE-287 NVD-CWE-noinfo -
Initial Analysis by [email protected]
Jan. 07, 2021
Action Type Old Value New Value Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:N/I:P/A:N) Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N Changed Reference Type https://blocksecteam.medium.com/loopring-lrc-protocol-incident-66e9470bd51f No Types Assigned https://blocksecteam.medium.com/loopring-lrc-protocol-incident-66e9470bd51f Exploit, Third Party Advisory Changed Reference Type https://etherscan.io/address/0x4b89f8996892d137c3de1312d1dd4e4f4ffca171 No Types Assigned https://etherscan.io/address/0x4b89f8996892d137c3de1312d1dd4e4f4ffca171 Third Party Advisory Added CWE NIST CWE-287 Added CPE Configuration OR *cpe:2.3:a:loopring:loopring:-:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-35962 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2020-35962
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.09 }} 0.01%
score
0.38006
percentile