How severe is CVE-2024-5458?

CVE-2024-5458 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-2024-5458 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 12% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-5458?

CVE-2024-5458 primarily affects Php. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-5458?

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

Does CVE-2024-5458 have an EU (EUVD) identifier?

Yes. CVE-2024-5458 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-46674.

When was CVE-2024-5458 published?

CVE-2024-5458 was published on 2024-06-09 and last updated on 2026-06-17.

CVE-2024-5458

CVE-2024-5458 is a medium-severity vulnerability in Php with a CVSS 3.x base score of 5.3. Its EPSS exploit-prediction score of 12% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-345.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 12% (96th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-46674
Weakness: CWE-345
Affected product: Php
Published: 2024-06-09
Last modified: 2026-06-17

Description

In PHP versions 8.1.* before 8.1.29, 8.2.* before 8.2.20, 8.3.* before 8.3.8, due to a code logic error, filtering functions such as filter_var when validating URLs (FILTER_VALIDATE_URL) for certain types of URLs the function will result in invalid user information (username + password part of URLs) being treated as valid user information. This may lead to the downstream code accepting invalid URLs as valid and parsing them incorrectly.

Frequently asked questions

What is CVE-2024-5458?: In PHP versions 8.1.* before 8.1.29, 8.2.* before 8.2.20, 8.3.* before 8.3.8, due to a code logic error, filtering functions such as filter_var when validating URLs (FILTER_VALIDATE_URL) for certain types of URLs the function will result in invalid user information (username + password part of URLs) being treated as valid user information. This may lead to the downstream code accepting invalid URLs as valid and parsing them incorrectly.
How severe is CVE-2024-5458?: CVE-2024-5458 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-2024-5458 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 12% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-5458?: CVE-2024-5458 primarily affects Php. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-5458?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-5458 have an EU (EUVD) identifier?: Yes. CVE-2024-5458 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-46674.
When was CVE-2024-5458 published?: CVE-2024-5458 was published on 2024-06-09 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:40:*:*:*:*:*:*:*

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Threat intelligence

Threat-intel indicators referencing this CVE:

64.53.7.231 (ipv4-addr)
45.232.73.84 (ipv4-addr)
218.51.148.194 (ipv4-addr)
185.93.89.167 (ipv4-addr)
177.53.215.134 (ipv4-addr)
103.163.97.211 (ipv4-addr)
34.83.189.112 (ipv4-addr)
80.74.138.2 (ipv4-addr)