CVE-2004-1011

Stack-based buffer overflow in Cyrus IMAP Server 2.2.4 through 2.2.8, with the imapmagicplus option enabled, allows remote attackers to execute arbitrary code via a long (1) PROXY or (2) LOGIN command, a different vulnerability than CVE-2004-1015.

Published: 2005-01-10 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2004-1011 is rated High Risk (68/100): CVSS Critical severity, with high exploitation likelihood (EPSS 16.62%, 94th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. 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-2004-1011

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 2025-03-30 32.15% 16.62% -15.54%
2 2025-03-29 16.62% 32.15% +15.54%
3 2025-03-19 — 16.62% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2004-1011

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C 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:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 10.0 [email protected]

Weakness enumeration for CVE-2004-1011

OS Trackers for CVE-2004-1011

vendor priority summary link
debian unimportant CVE-2004-1011 unimportant priority: Debian including 1 source packages (cyrus-imapd), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2004-1011
ubuntu medium CVE-2004-1011 medium priority: Ubuntu including 1 source packages (cyrus21-imapd), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): released 3, needs-triage 1. https://ubuntu.com/security/CVE-2004-1011

Affected software / configurations for CVE-2004-1011

Vendor Product Version Raw CPE
carnegie_mellon_university cyrus_imap_server 2.1.7 cpe:2.3:a:carnegie_mellon_university:cyrus_imap_server:2.1.7:*:*:*:*:*:*:*
carnegie_mellon_university cyrus_imap_server 2.1.9 cpe:2.3:a:carnegie_mellon_university:cyrus_imap_server:2.1.9:*:*:*:*:*:*:*
carnegie_mellon_university cyrus_imap_server 2.1.10 cpe:2.3:a:carnegie_mellon_university:cyrus_imap_server:2.1.10:*:*:*:*:*:*:*
carnegie_mellon_university cyrus_imap_server 2.1.16 cpe:2.3:a:carnegie_mellon_university:cyrus_imap_server:2.1.16:*:*:*:*:*:*:*
carnegie_mellon_university cyrus_imap_server 2.2.0_alpha cpe:2.3:a:carnegie_mellon_university:cyrus_imap_server:2.2.0_alpha:*:*:*:*:*:*:*
carnegie_mellon_university cyrus_imap_server 2.2.1_beta cpe:2.3:a:carnegie_mellon_university:cyrus_imap_server:2.2.1_beta:*:*:*:*:*:*:*
carnegie_mellon_university cyrus_imap_server 2.2.2_beta cpe:2.3:a:carnegie_mellon_university:cyrus_imap_server:2.2.2_beta:*:*:*:*:*:*:*
carnegie_mellon_university cyrus_imap_server 2.2.3 cpe:2.3:a:carnegie_mellon_university:cyrus_imap_server:2.2.3:*:*:*:*:*:*:*
carnegie_mellon_university cyrus_imap_server 2.2.4 cpe:2.3:a:carnegie_mellon_university:cyrus_imap_server:2.2.4:*:*:*:*:*:*:*
carnegie_mellon_university cyrus_imap_server 2.2.5 cpe:2.3:a:carnegie_mellon_university:cyrus_imap_server:2.2.5:*:*:*:*:*:*:*
carnegie_mellon_university cyrus_imap_server 2.2.6 cpe:2.3:a:carnegie_mellon_university:cyrus_imap_server:2.2.6:*:*:*:*:*:*:*
carnegie_mellon_university cyrus_imap_server 2.2.7 cpe:2.3:a:carnegie_mellon_university:cyrus_imap_server:2.2.7:*:*:*:*:*:*:*
carnegie_mellon_university cyrus_imap_server 2.2.8 cpe:2.3:a:carnegie_mellon_university:cyrus_imap_server:2.2.8:*:*:*:*:*:*:*
openpkg openpkg current cpe:2.3:a:openpkg:openpkg:current:*:*:*:*:*:*:*
conectiva linux 9.0 cpe:2.3:o:conectiva:linux:9.0:*:*:*:*:*:*:*
conectiva linux 10.0 cpe:2.3:o:conectiva:linux:10.0:*:*:*:*:*:*:*
redhat fedora_core core_2.0 cpe:2.3:o:redhat:fedora_core:core_2.0:*:*:*:*:*:*:*
redhat fedora_core core_3.0 cpe:2.3:o:redhat:fedora_core:core_3.0:*:*:*:*:*:*:*
trustix secure_linux 2.0 cpe:2.3:o:trustix:secure_linux:2.0:*:*:*:*:*:*:*
trustix secure_linux 2.1 cpe:2.3:o:trustix:secure_linux:2.1:*:*:*:*:*:*:*
trustix secure_linux 2.2 cpe:2.3:o:trustix:secure_linux:2.2:*:*:*:*:*:*:*
ubuntu ubuntu_linux 4.1 cpe:2.3:o:ubuntu:ubuntu_linux:4.1:*:ia64:*:*:*:*:*
ubuntu ubuntu_linux 4.1 cpe:2.3:o:ubuntu:ubuntu_linux:4.1:*:ppc:*:*:*:*:*

References for CVE-2004-1011

cvelogic Threat Intelligence