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Kerio Mailserver

kerio_mailserver

Vendor: Kerio • 22 CVEs

CVEs (22)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Kerio
2Connect
Kerio Mailserver
Apr 29, 2026
Mar 22, 2011
N/A· v4
N/A· v3
6.8 MEDIUM· v2
The STARTTLS implementation in Kerio Connect 7.1.4 build 2985 and MailServer 6.x does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted SMTP sessions by sendi...Show more
The STARTTLS implementation in Kerio Connect 7.1.4 build 2985 and MailServer 6.x does not properly restrict I/O buffering, which allows man-in-the-middle attackers to insert commands into encrypted SMTP sessions by sending a cleartext command that is processed after TLS is in place, related to a "plaintext command injection" attack, a similar issue to CVE-2011-0411. NOTE: some of these details are obtained from third party information.Show less
1Kerio
1Kerio Mailserver
Apr 23, 2026
Jul 28, 2009
N/A· v4
N/A· v3
4.3 MEDIUM· v2
Cross-site scripting (XSS) vulnerability in the Integration page in the WebMail component in Kerio MailServer 6.6.0, 6.6.1, 6.6.2, and 6.7.0 allows remote attackers to inject arbitrary web script or HTML via an e-mail me...Show more
Cross-site scripting (XSS) vulnerability in the Integration page in the WebMail component in Kerio MailServer 6.6.0, 6.6.1, 6.6.2, and 6.7.0 allows remote attackers to inject arbitrary web script or HTML via an e-mail message.Show less
1Kerio
1Kerio Mailserver
Apr 23, 2026
Dec 30, 2008
N/A· v4
N/A· v3
4.3 MEDIUM· v2
Multiple cross-site scripting (XSS) vulnerabilities in Kerio MailServer before 6.6.2 allow remote attackers to inject arbitrary web script or HTML via the (1) folder parameter to mailCompose.php or the (2) daytime parame...Show more
Multiple cross-site scripting (XSS) vulnerabilities in Kerio MailServer before 6.6.2 allow remote attackers to inject arbitrary web script or HTML via the (1) folder parameter to mailCompose.php or the (2) daytime parameter to calendarEdit.php. NOTE: some of these details are obtained from third party information.Show less
1Kerio
1Kerio Mailserver
Apr 23, 2026
Dec 30, 2008
N/A· v4
N/A· v3
4.3 MEDIUM· v2
Cross-site scripting (XSS) vulnerability in error413.php in Kerio MailServer before 6.6.2 allows remote attackers to inject arbitrary web script or HTML via the sent parameter. NOTE: some of these details are obtained f...Show more
Cross-site scripting (XSS) vulnerability in error413.php in Kerio MailServer before 6.6.2 allows remote attackers to inject arbitrary web script or HTML via the sent parameter. NOTE: some of these details are obtained from third party information.Show less
1Kerio
2Avg Plugin
Kerio Mailserver
Apr 23, 2026
Feb 21, 2008
N/A· v4
N/A· v3
10.0 HIGH· v2
Unspecified vulnerability in the AVG plugin in Kerio MailServer before 6.5.0 has unspecified impact via unknown remote attack vectors related to null DACLs.
1Kerio
1Kerio Mailserver
Apr 23, 2026
Feb 21, 2008
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Unspecified vulnerability in Kerio MailServer before 6.5.0 allows remote attackers to cause a denial of service (crash) via unspecified vectors related to decoding of uuencoded input, which triggers memory corruption.
2Kerio
Visnetic
2Kerio Mailserver
Visnetic Antivirus Plug In For Mail Server
Apr 23, 2026
Feb 21, 2008
N/A· v4
N/A· v3
7.5 HIGH· v2
Buffer overflow in the Visnetic anti-virus plugin in Kerio MailServer before 6.5.0 might allow remote attackers to execute arbitrary code via unspecified vectors.
1Kerio
1Kerio Mailserver
Apr 23, 2026
Jul 25, 2007
N/A· v4
N/A· v3
10.0 HIGH· v2
Unspecified vulnerability in the attachment filter in Kerio MailServer before 6.4.1 has unknown impact and remote attack vectors.
1Kerio
1Kerio Mailserver
Apr 23, 2026
Dec 14, 2006
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Unspecified vulnerability in Kerio MailServer before 6.3.1 allows remote attackers to cause a denial of service (segmentation fault and service stop) via certain long LDAP queries, as demonstrated by vd_kms6.pm.
1Kerio
1Kerio Mailserver
Apr 23, 2026
Nov 8, 2006
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Unspecified vulnerability in Kerio MailServer allows attackers to cause a denial of service, as demonstrated by vd_kms4.pm, a "Kerio MailServer DoS." NOTE: As of 20061108, this disclosure has no actionable information. H...Show more
Unspecified vulnerability in Kerio MailServer allows attackers to cause a denial of service, as demonstrated by vd_kms4.pm, a "Kerio MailServer DoS." NOTE: As of 20061108, this disclosure has no actionable information. However, since it is from a reliable researcher, it is being assigned a CVE identifier for tracking purposes.Show less
1Kerio
1Kerio Mailserver
Apr 16, 2026
May 5, 2006
N/A· v4
N/A· v3
6.4 MEDIUM· v2
Unspecified vulnerability in Kerio MailServer before 6.1.4 has unknown impact and remote attack vectors related to a "possible bypass of attachment filter."
1Kerio
1Kerio Mailserver
Apr 16, 2026
Mar 12, 2006
N/A· v4
N/A· v3
7.8 HIGH· v2
Kerio MailServer before 6.1.3 Patch 1 allows remote attackers to cause a denial of service (application crash) via a crafted IMAP LOGIN command.
1Kerio
3Kerio Mailserver
Personal FirewallWinroute Firewall
Apr 16, 2026
May 2, 2005
N/A· v4
N/A· v3
7.5 HIGH· v2
The administration protocol for Kerio WinRoute Firewall 6.x up to 6.0.10, Personal Firewall 4.x up to 4.1.2, and MailServer up to 6.0.8 allows remote attackers to quickly obtain passwords that are 5 characters or less vi...Show more
The administration protocol for Kerio WinRoute Firewall 6.x up to 6.0.10, Personal Firewall 4.x up to 4.1.2, and MailServer up to 6.0.8 allows remote attackers to quickly obtain passwords that are 5 characters or less via brute force methods.Show less
1Kerio
3Kerio Mailserver
Personal FirewallWinroute Firewall
Apr 16, 2026
Apr 29, 2005
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The administration protocol for Kerio WinRoute Firewall 6.x up to 6.0.10, Personal Firewall 4.x up to 4.1.2, and MailServer up to 6.0.8 allows remote attackers to cause a denial of service (CPU consumption) via certain a...Show more
The administration protocol for Kerio WinRoute Firewall 6.x up to 6.0.10, Personal Firewall 4.x up to 4.1.2, and MailServer up to 6.0.8 allows remote attackers to cause a denial of service (CPU consumption) via certain attacks that force the product to "compute unexpected conditions" and "perform cryptographic operations."Show less
1Kerio
1Kerio Mailserver
Apr 16, 2026
Apr 18, 2005
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Unknown vulnerability in WebMail in Kerio MailServer before 6.0.9 allows remote attackers to cause a denial of service (CPU consumption) via certain e-mail messages.
1Kerio
3Kerio Mailserver
ServerfirewallWinroute Firewall
Apr 16, 2026
Jan 10, 2005
N/A· v4
N/A· v3
2.1 LOW· v2
Kerio Winroute Firewall before 6.0.9, ServerFirewall before 1.0.1, and MailServer before 6.0.5, when installed on Windows based systems, do not modify the ACLs for critical files, which allows local users with Power User...Show more
Kerio Winroute Firewall before 6.0.9, ServerFirewall before 1.0.1, and MailServer before 6.0.5, when installed on Windows based systems, do not modify the ACLs for critical files, which allows local users with Power Users privileges to modify programs, install malicious DLLs in the plug-ins folder, and modify XML files related to configuration.Show less
1Kerio
3Kerio Mailserver
ServerfirewallWinroute Firewall
Apr 16, 2026
Jan 10, 2005
N/A· v4
N/A· v3
2.1 LOW· v2
Kerio Winroute Firewall before 6.0.7, ServerFirewall before 1.0.1, and MailServer before 6.0.5 use symmetric encryption for user passwords, which allows attackers to decrypt the user database and obtain the passwords by...Show more
Kerio Winroute Firewall before 6.0.7, ServerFirewall before 1.0.1, and MailServer before 6.0.5 use symmetric encryption for user passwords, which allows attackers to decrypt the user database and obtain the passwords by extracting the secret key from within the software.Show less
1Kerio
1Kerio Mailserver
Apr 16, 2026
Dec 31, 2004
N/A· v4
N/A· v3
10.0 HIGH· v2
Unspecified vulnerability in Kerio MailServer before 6.0.3 has unknown impact and unknown remote attack vectors, related to a "potential security issue."
1Kerio
1Kerio Mailserver
Apr 16, 2026
Aug 7, 2003
N/A· v4
N/A· v3
5.1 MEDIUM· v2
Multiple cross-site scripting (XSS) vulnerabilities in Kerio MailServer 5.6.3 allow remote attackers to insert arbitrary web script via (1) the add_name parameter in the add_acl module, or (2) the alias parameter in the...Show more
Multiple cross-site scripting (XSS) vulnerabilities in Kerio MailServer 5.6.3 allow remote attackers to insert arbitrary web script via (1) the add_name parameter in the add_acl module, or (2) the alias parameter in the do_map module.Show less
1Kerio
1Kerio Mailserver
Apr 16, 2026
Aug 7, 2003
N/A· v4
N/A· v3
7.5 HIGH· v2
Multiple buffer overflows in Kerio MailServer 5.6.3 allow remote authenticated users to cause a denial of service and possibly execute arbitrary code via (1) a long showuser parameter in the do_subscribe module, (2) a lo...Show more
Multiple buffer overflows in Kerio MailServer 5.6.3 allow remote authenticated users to cause a denial of service and possibly execute arbitrary code via (1) a long showuser parameter in the do_subscribe module, (2) a long folder parameter in the add_acl module, (3) a long folder parameter in the list module, and (4) a long user parameter in the do_map module.Show less