CVE-2021-27376
CRITICAL
9.8
CVSS Score
Published: February 18, 2021 at 03:35 AM UTC
Updated: June 17, 2026 at 03:44 AM UTC
1 product affected across 1 vendorNb Connect
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Severity
CRITICAL9.8
Exploit prediction
EPSS 1%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
95%
v < 1.0.3
Affected range stops below 1.0.3, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.
References (1)
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://rustsec.org/advisories/RUSTSEC-2021-0021.htmlCVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-119
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