CVE-2020-35962 Missing authorization in n/a
Attackers can manipulate prices in the Loopring vault protocol due to missing access controls on fee swapping functions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-35962?
CVE-2020-35962 is a high-severity missing authorization vulnerability in n/a, published on 3 Jan 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Which versions are affected by CVE-2020-35962?
It affects 1 product.
Products include Loopring Loopring.
How do I fix CVE-2020-35962?
No fix has been published for CVE-2020-35962 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2020-35962 being exploited?
There is no known exploitation of CVE-2020-35962 in the wild and no public exploit code.
Sources
Also known as GHSA-q868-35f4-p658.