CVE-2021-28875
HighPublic PoC
Published: 11 April 2021
Published
11 April 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.0042
62.1th percentile
Risk Priority
15
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2021-28875 is a high-severity Unchecked Return Value (CWE-252) vulnerability in Rust-Lang Rust. Its CVSS base score is 7.5 (High).
Operationally, ranked in the top 37.9% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-15528
Vulnerability details
In the standard library in Rust before 1.50.0, read_to_end() does not validate the return value from Read in an unsafe context. This bug could lead to a buffer overflow.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
rust-lang
rust
≤ 1.50.0
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.