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CVE-2005-4828

17
FAUCET Score

CVE-2005-4828 describes a flaw in Kolab Server versions 2.0.0 and 2.0.1 where malformed email messages containing a misplaced period can cause kolabfilter to insert an additional period, potentially corrupting clear-text signatures and attachments. With a CVSS score of 6.4 (Medium), this vulnerability has a network attack vector, low attack complexity, and could lead to partial integrity and availability impacts. While its status as a true vulnerability is unclear due to unknown privilege boundary implications, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
2.0.0CPE matchmatch criteria
cpe:2.3:a:kolab:kolab_groupware_server:2.0.0:*:*:*:*:*:*:*
2.0.1CPE matchmatch criteria
cpe:2.3:a:kolab:kolab_groupware_server:2.0.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.4MEDIUM

AV:N/AC:L/Au:N/C:N/I:P/A:P

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
4.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.22%
Probability of exploitation in next 30 days
EPSS Percentile
65.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0122 is in the 44th percentile among its peer group of 23,684 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

kolab.org / security/kolab-vendor-notice-07.txt
Exploit
mandriva.com / security/advisories
osvdb.org / 22538