CVE-2005-4828

Exp

Kolab Server 2.0.0 and 2.0.1 does not properly handle when a large email is sent with a "." in the wrong place, which causes kolabfilter to add another ".", which might break clear-text signatures and attachments. NOTE: it is not clear whether this issue crosses privilege boundaries, so this might not be a vulnerability.

Published: 2005-12-31 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2005-4828 is rated High Exploit Risk (60.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.36%). 1 public exploit reference(s) are indexed (Exploit-DB). 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-2005-4828

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

Exploit prediction scoring system (EPSS) score for CVE-2005-4828

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 2025-03-17 0.30% 0.36% +0.07%
2 2023-12-17 0.24% 0.30% +0.06%
3 2023-03-07 — 0.24% —

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2005-4828

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.4 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:P/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:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 4.9 [email protected]

Weakness enumeration for CVE-2005-4828

OS Trackers for CVE-2005-4828

vendor priority summary link
ubuntu medium CVE-2005-4828 medium priority: Ubuntu including 1 source packages (kolabd), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): not-affected 2, DNE 1, needs-triage 1. https://ubuntu.com/security/CVE-2005-4828

Affected software / configurations for CVE-2005-4828

Vendor Product Version Raw CPE
kolab kolab_groupware_server 2.0.0 cpe:2.3:a:kolab:kolab_groupware_server:2.0.0:*:*:*:*:*:*:*
kolab kolab_groupware_server 2.0.1 cpe:2.3:a:kolab:kolab_groupware_server:2.0.1:*:*:*:*:*:*:*

References for CVE-2005-4828

cvelogic Threat Intelligence