← Back

Kerio

kerio

42 CVEs • 9 products

Products (9)

Click to collapse
Toggle
Webstar
webstar
Avg Plugin
avg_plugin
Connect
connect
Control
control

CVEs (42)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Kerio
1Winroute Firewall
Apr 16, 2026
Jan 21, 2006
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Multiple unspecified vulnerabilities in Kerio WinRoute Firewall before 6.1.4 Patch 1 allow remote attackers to cause a denial of service via multiple unspecified vectors involving (1) long strings received from Active Di...Show more
Multiple unspecified vulnerabilities in Kerio WinRoute Firewall before 6.1.4 Patch 1 allow remote attackers to cause a denial of service via multiple unspecified vectors involving (1) long strings received from Active Directory and (2) the filtering of HTML.Show less
1Kerio
1Winroute Firewall
Apr 16, 2026
Dec 20, 2005
N/A· v4
N/A· v3
7.8 HIGH· v2
Unspecified vulnerability in Kerio WinRoute Firewall before 6.1.3 allows remote attackers to cause a denial of service (crash) via certain RTSP streams.
1Kerio
2Personal Firewall
Serverfirewall
Apr 16, 2026
Oct 23, 2005
N/A· v4
N/A· v3
2.1 LOW· v2
The FWDRV driver in Kerio Personal Firewall 4.2 and Server Firewall 1.1.1 allows local users to cause a denial of service (crash) by setting the PAGE_NOACCESS or PAGE_GUARD protection on the Page Environment Block (PEB),...Show more
The FWDRV driver in Kerio Personal Firewall 4.2 and Server Firewall 1.1.1 allows local users to cause a denial of service (crash) by setting the PAGE_NOACCESS or PAGE_GUARD protection on the Page Environment Block (PEB), which triggers an exception, aka the "PEB lockout vulnerability."Show less
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
1Personal Firewall
Apr 16, 2026
May 2, 2005
N/A· v4
N/A· v3
4.6 MEDIUM· v2
Unknown vulnerability in Kerio Personal Firewall 4.1.2 and earlier allows local users to bypass firewall rules via a malicious process that impersonates a legitimate process that has fewer restrictions.
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
1Personal Firewall
Apr 16, 2026
Jan 10, 2005
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The FWDRV.SYS driver in Kerio Personal Firewall 4.1.1 and earlier allows remote attackers to cause a denial of service (CPU consumption and system freeze from infinite loop) via a (1) TCP, (2) UDP, or (3) ICMP packet wit...Show more
The FWDRV.SYS driver in Kerio Personal Firewall 4.1.1 and earlier allows remote attackers to cause a denial of service (CPU consumption and system freeze from infinite loop) via a (1) TCP, (2) UDP, or (3) ICMP packet with a zero length IP Option field.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 6.0.9, 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
1Winroute Firewall
Apr 16, 2026
Dec 31, 2004
N/A· v4
N/A· v3
6.4 MEDIUM· v2
Kerio WinRoute Firewall before 6.0.9 uses information from PTR queries in response to A queries, which allows remote attackers to poison the DNS cache or cause a denial of service (connection loss).
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
1Personal Firewall
Apr 16, 2026
Dec 31, 2004
N/A· v4
N/A· v3
7.2 HIGH· v2
Kerio Personal Firewall (KPF) 2.1.5 allows local users to execute arbitrary code with SYSTEM privileges via the Load button in the Firewall Configuration Files option, which does not drop privileges before opening the fi...Show more
Kerio Personal Firewall (KPF) 2.1.5 allows local users to execute arbitrary code with SYSTEM privileges via the Load button in the Firewall Configuration Files option, which does not drop privileges before opening the file loading dialog box.Show less
1Kerio
1Personal Firewall
Apr 16, 2026
Sep 2, 2004
N/A· v4
N/A· v3
4.6 MEDIUM· v2
Kerio Personal Firewall 4.0 (KPF4) allows local users with administrative privileges to bypass the Application Security feature and execute arbitrary processes by directly writing to \device\physicalmemory to restore the...Show more
Kerio Personal Firewall 4.0 (KPF4) allows local users with administrative privileges to bypass the Application Security feature and execute arbitrary processes by directly writing to \device\physicalmemory to restore the running kernel's SDT ServiceTable.Show less
1Kerio
1Personal Firewall
Apr 16, 2026
Dec 31, 2003
N/A· v4
N/A· v3
7.5 HIGH· v2
Kerio Personal Firewall (KPF) 2.1.4 has a default rule to accept incoming packets from DNS (UDP port 53), which allows remote attackers to bypass the firewall filters via packets with a source port of 53.
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
1Kerio
1Personal Firewall 2
Apr 16, 2026
May 12, 2003
N/A· v4
N/A· v3
7.5 HIGH· v2
Buffer overflow in the administrator authentication process for Kerio Personal Firewall (KPF) 2.1.4 and earlier allows remote attackers to execute arbitrary code via a handshake packet.
1Kerio
1Personal Firewall 2
Apr 16, 2026
May 12, 2003
N/A· v4
N/A· v3
7.5 HIGH· v2
Kerio Personal Firewall (KPF) 2.1.4 and earlier allows remote attackers to execute administrator commands by sniffing packets from a valid session and replaying them against the remote administration server.
1Kerio
1Kerio Mailserver
Apr 16, 2026
Apr 11, 2003
N/A· v4
N/A· v3
6.8 MEDIUM· v2
Multiple cross-site scripting (XSS) vulnerabilities in the Web mail module of Kerio MailServer 5.0 allow remote attackers to execute HTML script as other users via certain URLs.