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CVE-2020-35962

7.5 · HIGH

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 Jan 3, 2021EPSS 1.35%

Overview

CVE-2020-35962 is a high-severity vulnerability. It was published on January 3, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refblocksecteam.medium.com/loopring-lrc-protocol-incident-66e9470bd51fRefetherscan.io/address/0x4b89f8996892d137c3de1312d1dd4e4f4ffca171Refblocksecteam.medium.com/loopring-lrc-protocol-incident-66e9470bd51fRefetherscan.io/address/0x4b89f8996892d137c3de1312d1dd4e4f4ffca171

How CyberStrike helps

Frequently asked questions

What is CVE-2020-35962?

CVE-2020-35962 is a high-severity vulnerability. It was published on January 3, 2021 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2020-35962?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2020-35962?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2020-35962?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2020-35962 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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