How severe is CVE-2007-1701?

CVE-2007-1701 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2007-1701 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-1701?

CVE-2007-1701 affects Php. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-1701?

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

When was CVE-2007-1701 published?

CVE-2007-1701 was published on 2007-03-27 and last updated on 2026-06-16.

CVE-2007-1701

CVE-2007-1701 is a medium-severity vulnerability in Php with a CVSS 2.0 base score of 6.8. 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-502.

Key facts

Severity: Medium (CVSS 2.0 base score 6.8)
EPSS exploit prediction: 9% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Php
Published: 2007-03-27
Last modified: 2026-06-16

Description

PHP 4 before 4.4.5, and PHP 5 before 5.2.1, when register_globals is enabled, allows context-dependent attackers to execute arbitrary code via deserialization of session data, which overwrites arbitrary global variables, as demonstrated by calling session_decode on a string beginning with "_SESSION|s:39:".

Frequently asked questions

What is CVE-2007-1701?: PHP 4 before 4.4.5, and PHP 5 before 5.2.1, when register_globals is enabled, allows context-dependent attackers to execute arbitrary code via deserialization of session data, which overwrites arbitrary global variables, as demonstrated by calling session_decode on a string beginning with "_SESSION|s:39:".
How severe is CVE-2007-1701?: CVE-2007-1701 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2007-1701 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-1701?: CVE-2007-1701 affects Php. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-1701?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-1701 published?: CVE-2007-1701 was published on 2007-03-27 and last updated on 2026-06-16.

References

Affected products (1)

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

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Threat intelligence

Threat-intel indicators referencing this CVE:

90.160.135.217 (ipv4-addr)
62.36.19.42 (ipv4-addr)
62.36.19.41 (ipv4-addr)