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CVE-2006-1158

20
FAUCET Score

CVE-2006-1158 describes a denial-of-service vulnerability affecting Kerio MailServer versions prior to 6.1.3 Patch 1. Remote attackers can exploit this flaw by sending a specially crafted IMAP LOGIN command, leading to an application crash. With a CVSS score of 7.8, this vulnerability is considered highly severe, requiring no authentication and having low attack complexity, resulting in a complete loss of availability for the affected service. There is no evidence of active exploitation, publicly available exploit code in common frameworks like Metasploit or ExploitDB, nor significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
5.6.4CPE matchmatch criteria
cpe:2.3:a:kerio:kerio_mailserver:5.6.4:*:*:*:*:*:*:*
5.6.5CPE matchmatch criteria
cpe:2.3:a:kerio:kerio_mailserver:5.6.5:*:*:*:*:*:*:*
5.7.0CPE matchmatch criteria
cpe:2.3:a:kerio:kerio_mailserver:5.7.0:*:*:*:*:*:*:*
5.7.1CPE matchmatch criteria
cpe:2.3:a:kerio:kerio_mailserver:5.7.1:*:*:*:*:*:*:*
5.7.2CPE matchmatch criteria
cpe:2.3:a:kerio:kerio_mailserver:5.7.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.8HIGH

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

Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.10%
Probability of exploitation in next 30 days
EPSS Percentile
79.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0210 is in the 64th percentile among its peer group of 51,485 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, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

secunia.com / advisories/19150
PatchVendor Advisory
securitytracker.com / id
exchange.xforce.ibmcloud.com / vulnerabilities/25150
kerio.com / kms_history.html
Patch
osvdb.org / 23772
securityfocus.com / archive/1/427471/100/0/threaded
securityfocus.com / bid/17043
vupen.com / english/advisories/2006/0898