How severe is CVE-2024-45258?

CVE-2024-45258 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-45258 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-45258?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2024-45258 have an EU (EUVD) identifier?

Yes. CVE-2024-45258 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-2561.

When was CVE-2024-45258 published?

CVE-2024-45258 was published on 2024-08-25 and last updated on 2026-06-17.

CVE-2024-45258

CVE-2024-45258 is a critical-severity vulnerability with a CVSS 3.x base score of 9.8. 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-20.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-2561
Weakness: CWE-20
Published: 2024-08-25
Last modified: 2026-06-17

Description

The req package before 3.43.4 for Go may send an unintended request when a malformed URL is provided, because cleanHost in http.go intentionally uses a "garbage in, garbage out" design.

Frequently asked questions

What is CVE-2024-45258?: The req package before 3.43.4 for Go may send an unintended request when a malformed URL is provided, because cleanHost in http.go intentionally uses a "garbage in, garbage out" design.
How severe is CVE-2024-45258?: CVE-2024-45258 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-45258 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-45258?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2024-45258 have an EU (EUVD) identifier?: Yes. CVE-2024-45258 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-2561.
When was CVE-2024-45258 published?: CVE-2024-45258 was published on 2024-08-25 and last updated on 2026-06-17.

References

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