CVE-2002-2215

Exp

The imap_header function in the IMAP functionality for PHP before 4.3.0 allows remote attackers to cause a denial of service via an e-mail message with a large number of "To" addresses, which triggers an error in the rfc822_write_address function.

Published: 2002-12-31 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2002-2215 is rated Exploit Available (59.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.33%). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

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

Public exploit references (Exploit-DB) for CVE-2002-2215

EDB-ID Source Kind Published Link
nvd_ref exploit_tag Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2002-2215

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 0.43% 1.33% +0.90%
2 2025-12-28 0.67% 0.43% -0.24%
3 2025-12-27 0.67%

Full EPSS history (16 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2002-2215

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2002-2215

OS Trackers for CVE-2002-2215

vendor priority summary link
redhat medium https://access.redhat.com/security/cve/CVE-2002-2215

NVD evaluator notes for CVE-2002-2215

Solution: This vulnerability is addressed in the following product release: PHP, PHP, 4.3.0

Affected software / configurations for CVE-2002-2215

Vendor Product Version Raw CPE
php php <= 4.2.3 cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
php php 3.0 cpe:2.3:a:php:php:3.0:*:*:*:*:*:*:*
php php 3.0.1 cpe:2.3:a:php:php:3.0.1:*:*:*:*:*:*:*
php php 3.0.2 cpe:2.3:a:php:php:3.0.2:*:*:*:*:*:*:*
php php 3.0.3 cpe:2.3:a:php:php:3.0.3:*:*:*:*:*:*:*
php php 3.0.4 cpe:2.3:a:php:php:3.0.4:*:*:*:*:*:*:*
php php 3.0.5 cpe:2.3:a:php:php:3.0.5:*:*:*:*:*:*:*
php php 3.0.6 cpe:2.3:a:php:php:3.0.6:*:*:*:*:*:*:*
php php 3.0.7 cpe:2.3:a:php:php:3.0.7:*:*:*:*:*:*:*
php php 3.0.8 cpe:2.3:a:php:php:3.0.8:*:*:*:*:*:*:*
php php 3.0.9 cpe:2.3:a:php:php:3.0.9:*:*:*:*:*:*:*
php php 3.0.10 cpe:2.3:a:php:php:3.0.10:*:*:*:*:*:*:*
php php 3.0.11 cpe:2.3:a:php:php:3.0.11:*:*:*:*:*:*:*
php php 3.0.12 cpe:2.3:a:php:php:3.0.12:*:*:*:*:*:*:*
php php 3.0.13 cpe:2.3:a:php:php:3.0.13:*:*:*:*:*:*:*
php php 3.0.14 cpe:2.3:a:php:php:3.0.14:*:*:*:*:*:*:*
php php 3.0.15 cpe:2.3:a:php:php:3.0.15:*:*:*:*:*:*:*
php php 3.0.16 cpe:2.3:a:php:php:3.0.16:*:*:*:*:*:*:*
php php 3.0.17 cpe:2.3:a:php:php:3.0.17:*:*:*:*:*:*:*
php php 3.0.18 cpe:2.3:a:php:php:3.0.18:*:*:*:*:*:*:*
php php 4.0 cpe:2.3:a:php:php:4.0:*:*:*:*:*:*:*
php php 4.0 cpe:2.3:a:php:php:4.0:beta_4_patch1:*:*:*:*:*:*
php php 4.0 cpe:2.3:a:php:php:4.0:beta1:*:*:*:*:*:*
php php 4.0 cpe:2.3:a:php:php:4.0:beta2:*:*:*:*:*:*
php php 4.0 cpe:2.3:a:php:php:4.0:beta3:*:*:*:*:*:*
php php 4.0 cpe:2.3:a:php:php:4.0:beta4:*:*:*:*:*:*
php php 4.0 cpe:2.3:a:php:php:4.0:rc1:*:*:*:*:*:*
php php 4.0 cpe:2.3:a:php:php:4.0:rc2:*:*:*:*:*:*
php php 4.0.1 cpe:2.3:a:php:php:4.0.1:*:*:*:*:*:*:*
php php 4.0.1 cpe:2.3:a:php:php:4.0.1:patch1:*:*:*:*:*:*
php php 4.0.1 cpe:2.3:a:php:php:4.0.1:patch2:*:*:*:*:*:*
php php 4.0.2 cpe:2.3:a:php:php:4.0.2:*:*:*:*:*:*:*
php php 4.0.3 cpe:2.3:a:php:php:4.0.3:*:*:*:*:*:*:*
php php 4.0.3 cpe:2.3:a:php:php:4.0.3:patch1:*:*:*:*:*:*
php php 4.0.4 cpe:2.3:a:php:php:4.0.4:*:*:*:*:*:*:*
php php 4.0.4 cpe:2.3:a:php:php:4.0.4:patch1:*:*:*:*:*:*
php php 4.0.5 cpe:2.3:a:php:php:4.0.5:*:*:*:*:*:*:*
php php 4.0.6 cpe:2.3:a:php:php:4.0.6:*:*:*:*:*:*:*
php php 4.0.7 cpe:2.3:a:php:php:4.0.7:*:*:*:*:*:*:*
php php 4.0.7 cpe:2.3:a:php:php:4.0.7:rc1:*:*:*:*:*:*
php php 4.0.7 cpe:2.3:a:php:php:4.0.7:rc2:*:*:*:*:*:*
php php 4.0.7 cpe:2.3:a:php:php:4.0.7:rc3:*:*:*:*:*:*
php php 4.1.0 cpe:2.3:a:php:php:4.1.0:*:*:*:*:*:*:*
php php 4.1.1 cpe:2.3:a:php:php:4.1.1:*:*:*:*:*:*:*
php php 4.1.2 cpe:2.3:a:php:php:4.1.2:*:*:*:*:*:*:*
php php 4.2 cpe:2.3:a:php:php:4.2:*:dev:*:*:*:*:*
php php 4.2.0 cpe:2.3:a:php:php:4.2.0:*:*:*:*:*:*:*
php php 4.2.1 cpe:2.3:a:php:php:4.2.1:*:*:*:*:*:*:*
php php 4.2.2 cpe:2.3:a:php:php:4.2.2:*:*:*:*:*:*:*

References for CVE-2002-2215

cvelogic Threat Intelligence