Strix
26.1K

CVE-2021-34273

HIGHCVSS 7.5/10EPSS 1.07%

Last modified

CVE-2021-34273 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A security flaw in the 'owned' function of a smart contract implementation for BTC2X (B2X), a tradeable Ethereum ERC20 token, allows attackers to hijack victim accounts and arbitrarily increase the digital supply of assets.. EPSS estimates a 1.07% chance of exploitation in the next 30 days.

Description

A security flaw in the 'owned' function of a smart contract implementation for BTC2X (B2X), a tradeable Ethereum ERC20 token, allows attackers to hijack victim accounts and arbitrarily increase the digital supply of assets.

Metrics

CVSS 3.1
7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS Probability
1.07%

60.6th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
B2x ProjectB2xAll versions

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-34273?
A security flaw in the 'owned' function of a smart contract implementation for BTC2X (B2X), a tradeable Ethereum ERC20 token, allows attackers to hijack victim accounts and arbitrarily increase the digital supply of assets.
How severe is CVE-2021-34273?
CVE-2021-34273 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.07% probability of exploitation in the next 30 days.
How do I fix CVE-2021-34273?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-34273?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST