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CWE-20

12,745 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 (12,745)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Apache
1Tomcat
Apr 29, 2026
Nov 16, 2012
N/A· v4
N/A· v3
5.0 MEDIUM· v2
java/org/apache/coyote/http11/InternalNioInputBuffer.java in the HTTP NIO connector in Apache Tomcat 6.x before 6.0.36 and 7.x before 7.0.28 does not properly restrict the request-header size, which allows remote attacke...Show more
java/org/apache/coyote/http11/InternalNioInputBuffer.java in the HTTP NIO connector in Apache Tomcat 6.x before 6.0.36 and 7.x before 7.0.28 does not properly restrict the request-header size, which allows remote attackers to cause a denial of service (memory consumption) via a large amount of header data.Show less
1Ibm
1Websphere Application Server
Apr 29, 2026
Nov 14, 2012
N/A· v4
N/A· v3
7.5 HIGH· v2
IBM WebSphere Application Server 8.5 Liberty Profile before 8.5.0.1, when JAX-RS is used, does not properly validate requests, which allows remote attackers to gain privileges via unspecified vectors.
2Apple
Broadcom
3Bcm4325
Bcm4329Iphone Os
Apr 29, 2026
Nov 14, 2012
N/A· v4
N/A· v3
7.8 HIGH· v2
The Broadcom BCM4325 and BCM4329 Wi-Fi chips, as used in certain Acer, Apple, Asus, Ford, HTC, Kyocera, LG, Malata, Motorola, Nokia, Pantech, Samsung, and Sony products, allow remote attackers to cause a denial of servic...Show more
The Broadcom BCM4325 and BCM4329 Wi-Fi chips, as used in certain Acer, Apple, Asus, Ford, HTC, Kyocera, LG, Malata, Motorola, Nokia, Pantech, Samsung, and Sony products, allow remote attackers to cause a denial of service (out-of-bounds read and Wi-Fi outage) via an RSN 802.11i information element.Show less
1Microsoft
1.net Framework
Apr 29, 2026
Nov 14, 2012
N/A· v4
N/A· v3
9.3 HIGH· v2
The Web Proxy Auto-Discovery (WPAD) functionality in Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, and 4.5 does not validate configuration data that is returned during acquisition of proxy settings, which allows remot...Show more
The Web Proxy Auto-Discovery (WPAD) functionality in Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, and 4.5 does not validate configuration data that is returned during acquisition of proxy settings, which allows remote attackers to execute arbitrary JavaScript code by providing crafted data during execution of (1) an XAML browser application (aka XBAP) or (2) a .NET Framework application, aka "Web Proxy Auto-Discovery Vulnerability."Show less
1Simon Brown
1Pebble
Apr 29, 2026
Nov 8, 2012
N/A· v4
N/A· v3
4.3 MEDIUM· v2
CRLF injection vulnerability in Pebble before 2.6.4 allows remote attackers to inject arbitrary HTTP headers and conduct HTTP response splitting attacks via unspecified vectors.
1Cisco
1Secure Access Control Server
Apr 29, 2026
Nov 7, 2012
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Cisco Secure Access Control System (ACS) 5.x before 5.2 Patch 11 and 5.3 before 5.3 Patch 7, when a certain configuration involving TACACS+ and LDAP is used, does not properly validate passwords, which allows remote atta...Show more
Cisco Secure Access Control System (ACS) 5.x before 5.2 Patch 11 and 5.3 before 5.3 Patch 7, when a certain configuration involving TACACS+ and LDAP is used, does not properly validate passwords, which allows remote attackers to bypass authentication by sending a valid username and a crafted password string, aka Bug ID CSCuc65634.Show less
1Google
1Chrome
Apr 29, 2026
Nov 7, 2012
N/A· v4
N/A· v3
7.5 HIGH· v2
Google Chrome before 23.0.1271.64 on Mac OS X does not properly validate an integer value during the handling of GPU command buffers, which allows remote attackers to cause a denial of service or possibly have unspecifie...Show more
Google Chrome before 23.0.1271.64 on Mac OS X does not properly validate an integer value during the handling of GPU command buffers, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors.Show less
1Abraham Williams
1Twitteroauth
Apr 29, 2026
Nov 6, 2012
N/A· v4
N/A· v3
5.8 MEDIUM· v2
TwitterOAuth does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL server...Show more
TwitterOAuth does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.Show less
1Themattharris
1Tmhoauth
Apr 29, 2026
Nov 6, 2012
N/A· v4
N/A· v3
5.8 MEDIUM· v2
tmhOAuth before 0.61 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SS...Show more
tmhOAuth before 0.61 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.Show less
1Services Twitter Group
1Services Twitter
Apr 29, 2026
Nov 6, 2012
N/A· v4
N/A· v3
5.8 MEDIUM· v2
Services_Twitter 0.6.3 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof...Show more
Services_Twitter 0.6.3 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.Show less
1Magentocommerce
1Magento
Apr 29, 2026
Nov 6, 2012
N/A· v4
N/A· v3
5.8 MEDIUM· v2
Magento 1.5 and 1.6.2 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof S...Show more
Magento 1.5 and 1.6.2 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.Show less
1Civicrm
1Civicrm
Apr 29, 2026
Nov 6, 2012
N/A· v4
N/A· v3
5.8 MEDIUM· v2
CiviCRM 4.0.5 and 4.1.1 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof...Show more
CiviCRM 4.0.5 and 4.1.1 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.Show less
1Google
1Checkout Php
Apr 29, 2026
Nov 6, 2012
N/A· v4
N/A· v3
5.8 MEDIUM· v2
google-checkout-php-sample-code before 1.3.2 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-midd...Show more
google-checkout-php-sample-code before 1.3.2 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.Show less
1Paypal
1Wps Toolkit
Apr 29, 2026
Nov 6, 2012
N/A· v4
N/A· v3
5.8 MEDIUM· v2
PayPal WPS ToolKit does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL...Show more
PayPal WPS ToolKit does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.Show less
1Moneris
1Eselect Plus
Apr 29, 2026
Nov 6, 2012
N/A· v4
N/A· v3
5.8 MEDIUM· v2
Moneris eSelectPlus 2.03 PHP API does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers...Show more
Moneris eSelectPlus 2.03 PHP API does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.Show less
1Tweepy
1Tweepy
Apr 29, 2026
Nov 4, 2012
N/A· v4
N/A· v3
5.8 MEDIUM· v2
Tweepy does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via...Show more
Tweepy does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate, related to use of the Python httplib library.Show less
1Opensourceclassifieds
1Opensourceclassifieds
Apr 29, 2026
Nov 4, 2012
N/A· v4
N/A· v3
5.8 MEDIUM· v2
Open Source Classifieds does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof...Show more
Open Source Classifieds does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate, related to use of the PHP fsockopen function.Show less
1Google
1Admob
Apr 29, 2026
Nov 4, 2012
N/A· v4
N/A· v3
5.8 MEDIUM· v2
The developer-account sample code in Google AdMob does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the...Show more
The developer-account sample code in Google AdMob does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.Show less
1Elephantdrive
1Elephantdrive
Apr 29, 2026
Nov 4, 2012
N/A· v4
N/A· v3
5.8 MEDIUM· v2
ElephantDrive does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL serve...Show more
ElephantDrive does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.Show less
1Aol
1Aim
Apr 29, 2026
Nov 4, 2012
N/A· v4
N/A· v3
5.8 MEDIUM· v2
AOL Instant Messenger (AIM) 1.0.1.2 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attack...Show more
AOL Instant Messenger (AIM) 1.0.1.2 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.Show less