CVE-2020-35962 : The sellTokenForLRC function in the vault protocol in the smart contract impleme

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.

Published 2021-01-03 07:15:14

Updated 2021-07-21 11:39:24

Source MITRE

View at NVD, CVE.org

Products affected by CVE-2020-35962

Loopring » Loopring » Version: N/A
cpe:2.3:a:loopring:loopring:-:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2020-35962

EPSS FAQ

0.21%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 41 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2020-35962

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:P/A:N	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: Partial Availability Impact: None
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: High Availability: None

References for CVE-2020-35962

https://blocksecteam.medium.com/loopring-lrc-protocol-incident-66e9470bd51f

Loopring(LRC) Protocol Incident. The Blockchain Security Research Team… | by BlockSecTeam | Dec, 2020 | Medium
Exploit;Third Party Advisory
https://etherscan.io/address/0x4b89f8996892d137c3de1312d1dd4e4f4ffca171

Attention Required! | Cloudflare
Third Party Advisory

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Vulnerability Details : CVE-2020-35962

Products affected by CVE-2020-35962

Exploit prediction scoring system (EPSS) score for CVE-2020-35962

CVSS scores for CVE-2020-35962

References for CVE-2020-35962