How severe is CVE-2017-18588?

CVE-2017-18588 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2017-18588 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-18588?

CVE-2017-18588 affects Security-framework Project Security-framework. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-18588?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2017-18588 published?

CVE-2017-18588 was published on 2019-08-26 and last updated on 2026-06-17.

CVE-2017-18588

CVE-2017-18588 is a medium-severity vulnerability in Security-framework Project Security-framework with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-295.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-295
Affected product: Security-framework Project Security-framework
Published: 2019-08-26
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2017-18588?: 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.
How severe is CVE-2017-18588?: CVE-2017-18588 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2017-18588 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-18588?: CVE-2017-18588 affects Security-framework Project Security-framework. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-18588?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-18588 published?: CVE-2017-18588 was published on 2019-08-26 and last updated on 2026-06-17.

References

https://rustsec.org/advisories/RUSTSEC-2017-0003.html

Affected products (1)

cpe:2.3:a:security-framework_project:security-framework:*:*:*:*:*:*:*:*

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