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CWE-20

12,815 CVEs • Abstraction: Class • Likelihood of Exploit: High

Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

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CVEs (12,815)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Cisco
1Ips Sensor Software
Apr 29, 2026
Feb 22, 2014
N/A· v4
N/A· v3
7.1 HIGH· v2
The produce-verbose-alert feature in Cisco IPS Software 7.1 before 7.1(8)E4 and 7.2 before 7.2(2)E4 allows remote attackers to cause a denial of service (Analysis Engine process outage) via fragmented packets, aka Bug ID...Show more
The produce-verbose-alert feature in Cisco IPS Software 7.1 before 7.1(8)E4 and 7.2 before 7.2(2)E4 allows remote attackers to cause a denial of service (Analysis Engine process outage) via fragmented packets, aka Bug ID CSCui91266.Show less
1Rubyonrails
2Rails
Ruby On Rails
Apr 29, 2026
Feb 20, 2014
N/A· v4
N/A· v3
5.0 MEDIUM· v2
actionpack/lib/action_view/template/text.rb in Action View in Ruby on Rails 3.x before 3.2.17 converts MIME type strings to symbols during use of the :text option to the render method, which allows remote attackers to ca...Show more
actionpack/lib/action_view/template/text.rb in Action View in Ruby on Rails 3.x before 3.2.17 converts MIME type strings to symbols during use of the :text option to the render method, which allows remote attackers to cause a denial of service (memory consumption) by including these strings in headers.Show less
1Jetroplatforms
1Jetro Cockpit Secure Browsing
Apr 29, 2026
Feb 18, 2014
N/A· v4
N/A· v3
9.3 HIGH· v2
The client in Jetro COCKPIT Secure Browsing (JCSB) 4.3.1 and 4.3.3 does not validate the FileName element in an RDP_FILE_TRANSFER document, which allows remote JCSB servers to execute arbitrary programs by providing a .E...Show more
The client in Jetro COCKPIT Secure Browsing (JCSB) 4.3.1 and 4.3.3 does not validate the FileName element in an RDP_FILE_TRANSFER document, which allows remote JCSB servers to execute arbitrary programs by providing a .EXE extension.Show less
2Canonical
Php
2Php
Ubuntu Linux
Apr 29, 2026
Feb 18, 2014
N/A· v4
N/A· v3
6.8 MEDIUM· v2
The gdImageCrop function in ext/gd/gd.c in PHP 5.5.x before 5.5.9 does not check return values, which allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via...Show more
The gdImageCrop function in ext/gd/gd.c in PHP 5.5.x before 5.5.9 does not check return values, which allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via invalid imagecrop arguments that lead to use of a NULL pointer as a return value, a different vulnerability than CVE-2013-7226.Show less
1Litech
1Router Advertisement Daemon
Apr 29, 2026
Feb 17, 2014
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The process_rs function in the router advertisement daemon (radvd) before 1.8.2, when UnicastOnly is enabled, allows remote attackers to cause a denial of service (temporary service hang) via a large number of ND_ROUTER_...Show more
The process_rs function in the router advertisement daemon (radvd) before 1.8.2, when UnicastOnly is enabled, allows remote attackers to cause a denial of service (temporary service hang) via a large number of ND_ROUTER_SOLICIT requests.Show less
1Apache
1Subversion
Apr 29, 2026
Feb 14, 2014
N/A· v4
N/A· v3
4.3 MEDIUM· v2
The get_resource function in repos.c in the mod_dav_svn module in Apache Subversion before 1.7.15 and 1.8.x before 1.8.6, when SVNListParentPath is enabled, allows remote attackers to cause a denial of service (crash) vi...Show more
The get_resource function in repos.c in the mod_dav_svn module in Apache Subversion before 1.7.15 and 1.8.x before 1.8.6, when SVNListParentPath is enabled, allows remote attackers to cause a denial of service (crash) via vectors related to the server root and request methods other than GET, as demonstrated by the "svn ls http://svn.example.com" command.Show less
1Redhat
1Jboss Operations Network
Apr 29, 2026
Feb 14, 2014
N/A· v4
N/A· v3
5.8 MEDIUM· v2
Red Hat JBoss Operations Network (JON) before 2.4.2 and 3.0.x before 3.0.1 does not check the JON agent key, which allows remote attackers to spoof the identity of arbitrary agents via the registered agent name.
1Broadcom
12e Web Option
Apr 29, 2026
Feb 14, 2014
N/A· v4
N/A· v3
5.1 MEDIUM· v2
CA 2E Web Option r8.1.2 accepts a predictable substring of a W2E_SSNID session token in place of the entire token, which allows remote attackers to hijack sessions by changing characters at the end of this substring, as...Show more
CA 2E Web Option r8.1.2 accepts a predictable substring of a W2E_SSNID session token in place of the entire token, which allows remote attackers to hijack sessions by changing characters at the end of this substring, as demonstrated by terminating a session via a modified SSNID parameter to web2edoc/close.htm.Show less
1Ibm
1Sametime
Apr 29, 2026
Feb 14, 2014
N/A· v4
N/A· v3
6.8 MEDIUM· v2
The Meeting Server in IBM Sametime 8.5.2 through 8.5.2.1 and 9.x through 9.0.0.1 allows remote attackers to conduct clickjacking attacks via unspecified vectors.
1Ibm
1Sametime
Apr 29, 2026
Feb 14, 2014
N/A· v4
N/A· v3
7.5 HIGH· v2
The Meeting Server in IBM Sametime 8.5.2 through 8.5.2.1 and 9.x through 9.0.0.1 does not validate URLs in Cookie headers before using them in redirects, which has unspecified impact and remote attack vectors.
1Matrikonopc
1Scada Dnp3 Opc Server
Apr 29, 2026
Feb 14, 2014
N/A· v4
N/A· v3
7.1 HIGH· v2
MatrikonOPC SCADA DNP3 OPC Server 1.2.2.0 and earlier allows remote attackers to cause a denial of service (infinite loop) via a malformed DNP3 packet.
1Cisco
1Unified Communications Manager
Apr 29, 2026
Feb 13, 2014
N/A· v4
N/A· v3
4.0 MEDIUM· v2
The bulk administration interface in Cisco Unified Communications Manager (UCM) 10.0(1) and earlier allows remote attackers to bypass authentication and read arbitrary files by using an unspecified prompt, aka Bug ID CSC...Show more
The bulk administration interface in Cisco Unified Communications Manager (UCM) 10.0(1) and earlier allows remote attackers to bypass authentication and read arbitrary files by using an unspecified prompt, aka Bug ID CSCum05340.Show less
1Microsoft
1.net Framework
Apr 29, 2026
Feb 12, 2014
N/A· v4
N/A· v3
9.3 HIGH· v2
Microsoft .NET Framework 1.0 SP3, 1.1 SP1, 2.0 SP2, 3.5, 3.5.1, 4, 4.5, and 4.5.1 does not properly determine whether it is safe to execute a method, which allows remote attackers to execute arbitrary code via (1) a craf...Show more
Microsoft .NET Framework 1.0 SP3, 1.1 SP1, 2.0 SP2, 3.5, 3.5.1, 4, 4.5, and 4.5.1 does not properly determine whether it is safe to execute a method, which allows remote attackers to execute arbitrary code via (1) a crafted web site or (2) a crafted .NET Framework application that exposes a COM server endpoint, aka "Type Traversal Vulnerability."Show less
1Microsoft
3Windows 8
Windows RtWindows Server 2012
Apr 29, 2026
Feb 12, 2014
N/A· v4
N/A· v3
7.8 HIGH· v2
The IPv6 implementation in Microsoft Windows 8, Windows Server 2012, and Windows RT does not properly validate packets, which allows remote attackers to cause a denial of service (system hang) via crafted ICMPv6 Router A...Show more
The IPv6 implementation in Microsoft Windows 8, Windows Server 2012, and Windows RT does not properly validate packets, which allows remote attackers to cause a denial of service (system hang) via crafted ICMPv6 Router Advertisement packets, aka "TCP/IP Version 6 (IPv6) Denial of Service Vulnerability."Show less
1Microsoft
1.net Framework
Apr 29, 2026
Feb 12, 2014
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Microsoft .NET Framework 1.1 SP1, 2.0 SP2, 3.5, 3.5.1, 4, 4.5, and 4.5.1 does not properly determine TCP connection states, which allows remote attackers to cause a denial of service (ASP.NET daemon hang) via crafted HTT...Show more
Microsoft .NET Framework 1.1 SP1, 2.0 SP2, 3.5, 3.5.1, 4, 4.5, and 4.5.1 does not properly determine TCP connection states, which allows remote attackers to cause a denial of service (ASP.NET daemon hang) via crafted HTTP requests that trigger persistent resource consumption for a (1) stale or (2) closed connection, as exploited in the wild in February 2014, aka "POST Request DoS Vulnerability."Show less
1Ubuntu Developers
1Obby
Apr 29, 2026
Feb 10, 2014
N/A· v4
N/A· v3
5.8 MEDIUM· v2
obby (aka libobby) does not verify SSL server certificates, which allows remote attackers to spoof servers via an arbitrary certificate.
1Perl
1Perl
Apr 29, 2026
Feb 10, 2014
N/A· v4
N/A· v3
4.3 MEDIUM· v2
The Perl_reg_numbered_buff_fetch function in Perl 5.10.0, 5.12.0, 5.14.0, and other versions, when running with debugging enabled, allows context-dependent attackers to cause a denial of service (assertion failure and ap...Show more
The Perl_reg_numbered_buff_fetch function in Perl 5.10.0, 5.12.0, 5.14.0, and other versions, when running with debugging enabled, allows context-dependent attackers to cause a denial of service (assertion failure and application exit) via crafted input that is not properly handled when using certain regular expressions, as demonstrated by causing SpamAssassin and OCSInventory to crash.Show less
3Fedoraproject
OpensusePython Bugzilla Project
3Fedora
OpensusePython Bugzilla
Apr 29, 2026
Feb 8, 2014
N/A· v4
N/A· v3
4.3 MEDIUM· v2
python-bugzilla before 0.9.0 does not validate X.509 certificates, which allows man-in-the-middle attackers to spoof Bugzilla servers via a crafted certificate.
1Gajim
1Gajim
Apr 29, 2026
Feb 8, 2014
N/A· v4
N/A· v3
4.3 MEDIUM· v2
The _ssl_verify_callback function in tls_nb.py in Gajim before 0.15.3 does not properly verify SSL certificates, which allows remote attackers to conduct man-in-the-middle (MITM) attacks and spoof servers via an arbitrar...Show more
The _ssl_verify_callback function in tls_nb.py in Gajim before 0.15.3 does not properly verify SSL certificates, which allows remote attackers to conduct man-in-the-middle (MITM) attacks and spoof servers via an arbitrary certificate from a trusted CA.Show less
2Linux
Opensuse
2Linux Kernel
Opensuse
Apr 29, 2026
Feb 6, 2014
N/A· v4
N/A· v3
6.9 MEDIUM· v2
The compat_sys_recvmmsg function in net/compat.c in the Linux kernel before 3.13.2, when CONFIG_X86_X32 is enabled, allows local users to gain privileges via a recvmmsg system call with a crafted timeout pointer paramete...Show more
The compat_sys_recvmmsg function in net/compat.c in the Linux kernel before 3.13.2, when CONFIG_X86_X32 is enabled, allows local users to gain privileges via a recvmmsg system call with a crafted timeout pointer parameter.Show less