CVE-2005-4154

Unspecified vulnerability in PEAR installer 1.4.2 and earlier allows user-assisted attackers to execute arbitrary code via a crafted package that can execute code when the pear command is executed or when the Web/Gtk frontend is loaded.

Published: 2005-12-11 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2005-4154 is rated Moderate Risk (58.2/100): CVSS Medium severity, with high exploitation likelihood (EPSS 7.38%, 94th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +6.14% over the last day, indicating growing attacker interest. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2005-4154

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 1.24% 7.38% +6.14%
2 2025-08-13 1.42% 1.24% -0.18%
3 2025-03-30 — 1.42% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2005-4154

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.1 2.0 MEDIUM
AV:N/AC:H/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:H)
Exploitation requires uncommon or highly specific conditions.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 4.9 6.4 [email protected]

Weakness enumeration for CVE-2005-4154

OS Trackers for CVE-2005-4154

vendor priority summary link
ubuntu medium CVE-2005-4154 medium priority: Ubuntu including 2 source packages (php4, php5), 8 status rows across 4 suites (dapper, edgy, feisty, upstream): not-affected 5, needs-triage 2, DNE 1. https://ubuntu.com/security/CVE-2005-4154

Affected software / configurations for CVE-2005-4154

Vendor Product Version Raw CPE
php pear <= 1.4.2 cpe:2.3:a:php:pear:*:*:*:*:*:*:*:*
php pear 0.9 cpe:2.3:a:php:pear:0.9:*:*:*:*:*:*:*
php pear 0.10 cpe:2.3:a:php:pear:0.10:*:*:*:*:*:*:*
php pear 0.11 cpe:2.3:a:php:pear:0.11:*:*:*:*:*:*:*
php pear 0.90 cpe:2.3:a:php:pear:0.90:*:*:*:*:*:*:*
php pear 1.0 cpe:2.3:a:php:pear:1.0:*:*:*:*:*:*:*
php pear 1.0.1 cpe:2.3:a:php:pear:1.0.1:*:*:*:*:*:*:*
php pear 1.1 cpe:2.3:a:php:pear:1.1:*:*:*:*:*:*:*
php pear 1.2 cpe:2.3:a:php:pear:1.2:*:*:*:*:*:*:*
php pear 1.2.1 cpe:2.3:a:php:pear:1.2.1:*:*:*:*:*:*:*
php pear 1.3 cpe:2.3:a:php:pear:1.3:*:*:*:*:*:*:*
php pear 1.3.1 cpe:2.3:a:php:pear:1.3.1:*:*:*:*:*:*:*
php pear 1.3.3 cpe:2.3:a:php:pear:1.3.3:*:*:*:*:*:*:*
php pear 1.3.3.1 cpe:2.3:a:php:pear:1.3.3.1:*:*:*:*:*:*:*
php pear 1.3.4 cpe:2.3:a:php:pear:1.3.4:*:*:*:*:*:*:*
php pear 1.3.5 cpe:2.3:a:php:pear:1.3.5:*:*:*:*:*:*:*
php pear 1.3.6 cpe:2.3:a:php:pear:1.3.6:*:*:*:*:*:*:*
php pear 1.4.0 cpe:2.3:a:php:pear:1.4.0:*:*:*:*:*:*:*
php pear 1.4.0 cpe:2.3:a:php:pear:1.4.0:rc1:*:*:*:*:*:*
php pear 1.4.0 cpe:2.3:a:php:pear:1.4.0:rc2:*:*:*:*:*:*
php pear 1.4.1 cpe:2.3:a:php:pear:1.4.1:*:*:*:*:*:*:*

References for CVE-2005-4154

cvelogic Threat Intelligence