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CVE-2021-27376

CRITICALCVSS 9.8/10EPSS 1.45%

Last modified

CVE-2021-27376 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. An issue was discovered in the nb-connect crate before 1.0.3 for Rust. It may have invalid memory access for certain versions of the standard library because it relies on a direct cast of std::net::SocketAddrV4 and std::net::SocketAddrV6 data structures.. EPSS estimates a 1.45% chance of exploitation in the next 30 days.

Description

An issue was discovered in the nb-connect crate before 1.0.3 for Rust. It may have invalid memory access for certain versions of the standard library because it relies on a direct cast of std::net::SocketAddrV4 and std::net::SocketAddrV6 data structures.

Metrics

CVSS 3.1
9.8/10

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

EPSS Probability
1.45%

70.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Nb-Connect ProjectNb-Connect< 1.0.3

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-27376?
An issue was discovered in the nb-connect crate before 1.0.3 for Rust. It may have invalid memory access for certain versions of the standard library because it relies on a direct cast of std::net::SocketAddrV4 and std::net::SocketAddrV6 data structures.
How severe is CVE-2021-27376?
CVE-2021-27376 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.45% probability of exploitation in the next 30 days.
How do I fix CVE-2021-27376?
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-2021-27376?

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

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Source: NVD / NIST