How severe is CVE-2025-1220?

CVE-2025-1220 has a CVSS 3.x base score of 3.7, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2025-1220 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-1220?

CVE-2025-1220 affects Php. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-1220?

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

Does CVE-2025-1220 have an EU (EUVD) identifier?

Yes. CVE-2025-1220 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-21274.

When was CVE-2025-1220 published?

CVE-2025-1220 was published on 2025-07-13 and last updated on 2026-06-17.

CVE-2025-1220

CVE-2025-1220 is a low-severity vulnerability in Php with a CVSS 3.x base score of 3.7. 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-918.

Key facts

Severity: Low (CVSS 3.x base score 3.7)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-21274
Weakness: CWE-918
Affected product: Php
Published: 2025-07-13
Last modified: 2026-06-17

Description

In PHP versions:8.1.* before 8.1.33, 8.2.* before 8.2.29, 8.3.* before 8.3.23, 8.4.* before 8.4.10 some functions like fsockopen() lack validation that the hostname supplied does not contain null characters. This may lead to other functions like parse_url() treat the hostname in different way, thus opening way to security problems if the user code implements access checks before access using such functions.

Frequently asked questions

What is CVE-2025-1220?: In PHP versions:8.1.* before 8.1.33, 8.2.* before 8.2.29, 8.3.* before 8.3.23, 8.4.* before 8.4.10 some functions like fsockopen() lack validation that the hostname supplied does not contain null characters. This may lead to other functions like parse_url() treat the hostname in different way, thus opening way to security problems if the user code implements access checks before access using such functions.
How severe is CVE-2025-1220?: CVE-2025-1220 has a CVSS 3.x base score of 3.7, rated low severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2025-1220 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-1220?: CVE-2025-1220 affects Php. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-1220?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-1220 have an EU (EUVD) identifier?: Yes. CVE-2025-1220 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-21274.
When was CVE-2025-1220 published?: CVE-2025-1220 was published on 2025-07-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:php:php:*:*:*:*:*:*:*:*

More vulnerabilities in Php

CVE-2015-0235 — Critical (CVSS 10.0): Heap-based buffer overflow in the __nss_hostname_digits_dots function in glibc 2.2, and other 2.x versions before 2.18,…
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CVE-2012-2376 — Critical (CVSS 10.0): Buffer overflow in the com_print_typeinfo function in PHP 5.4.3 and earlier on Windows allows remote attackers to…
CVE-2011-3268 — Critical (CVSS 10.0): Buffer overflow in the crypt function in PHP before 5.3.7 allows context-dependent attackers to have an unspecified…
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CVE-2008-5557 — Critical (CVSS 10.0): Heap-based buffer overflow in ext/mbstring/libmbfl/filters/mbfilter_htmlent.c in the mbstring extension in PHP 4.3.0…

All CVEs affecting Php →

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Threat intelligence

Threat-intel indicators referencing this CVE:

41.205.23.59 (ipv4-addr)
146.190.83.66 (ipv4-addr)
47.95.209.49 (ipv4-addr)
41.33.91.226 (ipv4-addr)
39.164.91.67 (ipv4-addr)
152.89.64.17 (ipv4-addr)
178.254.22.224 (ipv4-addr)
160.155.68.8 (ipv4-addr)