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Fencer Vulns
medium 5.3

CVE-2017-18588 json

Improper Certificate Validation in security-framework

published 2017-03-15 9 y ago modified 2026-06-17 4 mo ago also GHSA-jqqr-c2r2-9cvr , RUSTSEC-2017-0003 , EUVD-2021-1782

cvss
5.3
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 51%
public exploits
0
none known

Summary

An issue was discovered in the security-framework crate before 0.1.12 for Rust. Hostname verification for certificates does not occur if ClientBuilder uses custom root certificates.

Patch / fix

  • crates.io security-framework 0.1.12
  • security-framework_project security-framework 0.1.12

Exploit prediction

0.65% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 5.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:P/A:N
GitHub 3.0 5.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
OSV 3.0 5.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Affected packages

ecosystem package affected fixed in
crates.io security-framework
<0.1.12
>=0.0.0-0, <0.1.12
0.1.12

Classification

Weakness
  • CWE-295 Improper Certificate Validation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.