CVE-2023-33289
HighPublic PoC
Published: 21 June 2023
Published
21 June 2023
Modified
08 March 2025
KEV Added
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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
0.0050
66.6th percentile
Risk Priority
15
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2023-33289 is a high-severity Inefficient Regular Expression Complexity (CWE-1333) vulnerability in Urlnorm Project Urlnorm. Its CVSS base score is 7.5 (High).
Operationally, ranked in the top 33.4% 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-2023-1790
Vulnerability details
The urlnorm crate through 0.1.4 for Rust allows Regular Expression Denial of Service (ReDos) via a crafted URL to lib.rs. NOTE: the Supplier disputes this, taking the position that "Slow printing of URLs is not a CVE."
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
urlnorm project
urlnorm
≤ 0.1.4
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.