CVE-2007-1835

CVE-2007-1835 is a medium-severity vulnerability in Php with a CVSS 2.0 base score of 4.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

• Severity: Medium (CVSS 2.0 base score 4.6)
• EPSS exploit prediction: 1% (48th percentile)
• Actively exploited: Not listed in CISA KEV
• Affected product: Php
• Published: 2007-04-03
• Last modified: 2026-06-16

Description

PHP 4 before 4.4.5 and PHP 5 before 5.2.1, when using an empty session save path (session.save_path), uses the TMPDIR default after checking the restrictions, which allows local users to bypass open_basedir restrictions.

Frequently asked questions

What is CVE-2007-1835?

PHP 4 before 4.4.5 and PHP 5 before 5.2.1, when using an empty session save path (session.save_path), uses the TMPDIR default after checking the restrictions, which allows local users to bypass open_basedir restrictions.

How severe is CVE-2007-1835?

CVE-2007-1835 has a CVSS 2.0 base score of 4.6, rated medium severity.

Is CVE-2007-1835 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-1835?

CVE-2007-1835 primarily affects Php. In total, 74 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-1835?

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

When was CVE-2007-1835 published?

CVE-2007-1835 was published on 2007-04-03 and last updated on 2026-06-16.

References

• http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&objectID=c01056506
• http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?lang=en&cc=us&objectID=c01086137
• http://secunia.com/advisories/25423
• http://secunia.com/advisories/25850
• http://www.php-security.org/MOPB/MOPB-36-2007.html
• http://www.securityfocus.com/bid/23183
• http://www.vupen.com/english/advisories/2007/1991
• http://www.vupen.com/english/advisories/2007/2374
• https://exchange.xforce.ibmcloud.com/vulnerabilities/33550

Affected products (74)

• cpe:2.3:a:php:php:4.0:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0:beta_4_patch1:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0:beta1:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0:beta2:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0:beta3:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0:beta4:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0:rc1:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0:rc2:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0.0:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0.1:patch1:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0.1:patch2:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0.2:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0.3:patch1:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0.4:patch1:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0.5:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0.6:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0.7:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0.7:rc1:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0.7:rc2:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.0.7:rc3:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.1.0:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.1.1:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.1.2:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.2:*:dev:*:*:*:*:*
• cpe:2.3:a:php:php:4.2.0:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.2.1:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.2.2:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.2.3:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.3.0:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.3.1:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.3.2:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.3.3:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.3.4:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.3.5:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.3.6:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.3.7:*:*:*:*:*:*:*
• cpe:2.3:a:php:php:4.3.8:*:*:*:*:*:*:*

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All CVEs affecting Php →

Threat intelligence

Threat-intel indicators referencing this CVE:

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