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CWE-20

12,834 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 (12,834)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Readynet Solutions
2Wrt300n Dd
Wrt300n Dd Firmware
May 6, 2026
Dec 31, 2015
N/A· v4
5.8 MEDIUM· v3
4.3 MEDIUM· v2
ReadyNet WRT300N-DD devices with firmware 1.0.26 use the same source port number for every DNS query, which makes it easier for remote attackers to spoof responses by selecting that number for the destination port.
1Orientdb
1Orientdb
May 6, 2026
Dec 31, 2015
N/A· v4
6.1 MEDIUM· v3
4.3 MEDIUM· v2
The Studio component in OrientDB Server Community Edition before 2.0.15 and 2.1.x before 2.1.1 does not properly restrict use of FRAME elements, which makes it easier for remote attackers to conduct clickjacking attacks...Show more
The Studio component in OrientDB Server Community Edition before 2.0.15 and 2.1.x before 2.1.1 does not properly restrict use of FRAME elements, which makes it easier for remote attackers to conduct clickjacking attacks via a crafted web site.Show less
1Corega
1Cg Wlncm4g Firmware
May 6, 2026
Dec 30, 2015
N/A· v4
5.8 MEDIUM· v3
5.0 MEDIUM· v2
Corega CG-WLNCM4G devices provide an open DNS resolver, which allows remote attackers to cause a denial of service (traffic amplification) via crafted queries.
1Asus
2Wl 330nul
Wl 33nul Firmware
May 6, 2026
Dec 30, 2015
N/A· v4
4.3 MEDIUM· v3
3.3 LOW· v2
ASUS Japan WL-330NUL devices with firmware before 3.0.0.42 allow remote attackers to cause a denial of service via unspecified vectors.
3Canonical
DebianSamba
3Debian Linux
SambaUbuntu Linux
May 6, 2026
Dec 29, 2015
N/A· v4
5.4 MEDIUM· v3
4.3 MEDIUM· v2
Samba 3.x and 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3 supports connections that are encrypted but unsigned, which allows man-in-the-middle attackers to conduct encrypted-to-unencrypted downgrade att...Show more
Samba 3.x and 4.x before 4.1.22, 4.2.x before 4.2.7, and 4.3.x before 4.3.3 supports connections that are encrypted but unsigned, which allows man-in-the-middle attackers to conduct encrypted-to-unencrypted downgrade attacks by modifying the client-server data stream, related to clidfs.c, libsmb_server.c, and smbXcli_base.c.Show less
1Linux
1Linux Kernel
May 6, 2026
Dec 28, 2015
N/A· v4
4.4 MEDIUM· v3
4.9 MEDIUM· v2
fs/ext4/namei.c in the Linux kernel before 3.7 allows physically proximate attackers to cause a denial of service (system crash) via a crafted no-journal filesystem, a related issue to CVE-2013-2015.
1Adcon
1A840 Telemetry Gateway Base Station Firmware
May 6, 2026
Dec 24, 2015
N/A· v4
8.7 HIGH· v3
5.8 MEDIUM· v2
The Java client in Adcon Telemetry A840 Telemetry Gateway Base Station does not authenticate the station device, which allows man-in-the-middle attackers to spoof devices and obtain sensitive information by reading clear...Show more
The Java client in Adcon Telemetry A840 Telemetry Gateway Base Station does not authenticate the station device, which allows man-in-the-middle attackers to spoof devices and obtain sensitive information by reading cleartext packet data, related to the lack of SSL support.Show less
1Isc
1Kea
May 6, 2026
Dec 22, 2015
N/A· v4
6.8 MEDIUM· v3
7.1 HIGH· v2
The kea-dhcp4 and kea-dhcp6 servers 0.9.2 and 1.0.0-beta in ISC Kea, when certain debugging settings are used, allow remote attackers to cause a denial of service (daemon crash) via a malformed packet.
1Vmware
2Vcenter Orchestrator
Vrealize Orchestrator
May 6, 2026
Dec 21, 2015
N/A· v4
7.3 HIGH· v3
7.5 HIGH· v2
Serialized-object interfaces in VMware vRealize Orchestrator 6.x, vCenter Orchestrator 5.x, vRealize Operations 6.x, vCenter Operations 5.x, and vCenter Application Discovery Manager (vADM) 7.x allow remote attackers to...Show more
Serialized-object interfaces in VMware vRealize Orchestrator 6.x, vCenter Orchestrator 5.x, vRealize Operations 6.x, vCenter Operations 5.x, and vCenter Application Discovery Manager (vADM) 7.x allow remote attackers to execute arbitrary commands via a crafted serialized Java object, related to the Apache Commons Collections library.Show less
1Cisco
1Prime Network Services Controller
May 6, 2026
Dec 18, 2015
N/A· v4
N/A· v3
7.2 HIGH· v2
Cisco Prime Network Services Controller 3.0 allows local users to bypass intended access restrictions and execute arbitrary commands via additional parameters to an unspecified command, aka Bug ID CSCus99427.
1Cool Video Gallery Project
1Cool Video Gallery
May 6, 2026
Dec 17, 2015
N/A· v4
N/A· v3
7.5 HIGH· v2
lib/core.php in the Cool Video Gallery plugin 1.9 for WordPress allows remote attackers to execute arbitrary code via shell metacharacters in the "Width of preview image" and possibly other input fields in the "Video Gal...Show more
lib/core.php in the Cool Video Gallery plugin 1.9 for WordPress allows remote attackers to execute arbitrary code via shell metacharacters in the "Width of preview image" and possibly other input fields in the "Video Gallery Settings" page.Show less
1Joomla
1Joomla
May 6, 2026
Dec 16, 2015
N/A· v4
N/A· v3
7.5 HIGH· v2
Directory traversal vulnerability in Joomla! 3.2.0 through 3.3.x and 3.4.x before 3.4.6 allows remote attackers to have unspecified impact via unknown vectors.
1Joomla
1Joomla
May 6, 2026
Dec 16, 2015
N/A· v4
N/A· v3
7.5 HIGH· v2
Directory traversal vulnerability in Joomla! 3.4.x before 3.4.6 allows remote attackers to have unspecified impact via directory traversal sequences in the XML install file in an extension package archive.
1Joomla
1Joomla
May 6, 2026
Dec 16, 2015
N/A· v4
N/A· v3
7.5 HIGH· v2
Joomla! 1.5.x, 2.x, and 3.x before 3.4.6 allow remote attackers to conduct PHP object injection attacks and execute arbitrary PHP code via the HTTP User-Agent header, as exploited in the wild in December 2015.
2Debian
Phpmailer Project
2Debian Linux
Phpmailer
May 6, 2026
Dec 16, 2015
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Multiple CRLF injection vulnerabilities in PHPMailer before 5.2.14 allow attackers to inject arbitrary SMTP commands via CRLF sequences in an (1) email address to the validateAddress function in class.phpmailer.php or (2...Show more
Multiple CRLF injection vulnerabilities in PHPMailer before 5.2.14 allow attackers to inject arbitrary SMTP commands via CRLF sequences in an (1) email address to the validateAddress function in class.phpmailer.php or (2) SMTP command to the sendCommand function in class.smtp.php, a different vulnerability than CVE-2012-0796.Show less
2Isc
Oracle
4Bind
LinuxSolaris+1 more
May 6, 2026
Dec 16, 2015
N/A· v4
N/A· v3
5.0 MEDIUM· v2
db.c in named in ISC BIND 9.x before 9.9.8-P2 and 9.10.x before 9.10.3-P2 allows remote attackers to cause a denial of service (REQUIRE assertion failure and daemon exit) via a malformed class attribute.
3Fedoraproject
MozillaOpensuse
4Fedora
FirefoxLeap+1 more
May 6, 2026
Dec 16, 2015
N/A· v4
N/A· v3
6.8 MEDIUM· v2
The gdk-pixbuf configuration in Mozilla Firefox before 43.0 on Linux GNOME platforms incorrectly enables the JasPer decoder, which allows remote attackers to cause a denial of service or possibly have unspecified other i...Show more
The gdk-pixbuf configuration in Mozilla Firefox before 43.0 on Linux GNOME platforms incorrectly enables the JasPer decoder, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted JPEG 2000 image.Show less
3Fedoraproject
MozillaOpensuse
4Fedora
FirefoxLeap+1 more
May 6, 2026
Dec 16, 2015
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Mozilla Firefox before 43.0 mishandles the # (number sign) character in a data: URI, which allows remote attackers to spoof web sites via unspecified vectors.
1Cisco
2Spa300 Firmware
Spa500 Firmware
May 6, 2026
Dec 15, 2015
N/A· v4
N/A· v3
7.2 HIGH· v2
The TFTP implementation on Cisco Small Business SPA30x, SPA50x, SPA51x phones 7.5.7 improperly validates firmware-image file integrity, which allows local users to load a Trojan horse image by leveraging shell access, ak...Show more
The TFTP implementation on Cisco Small Business SPA30x, SPA50x, SPA51x phones 7.5.7 improperly validates firmware-image file integrity, which allows local users to load a Trojan horse image by leveraging shell access, aka Bug ID CSCut67400.Show less
1Google
1Chrome
May 6, 2026
Dec 14, 2015
N/A· v4
N/A· v3
4.3 MEDIUM· v2
The WebPageSerializerImpl::openTagToString function in WebKit/Source/web/WebPageSerializerImpl.cpp in the page serializer in Google Chrome before 47.0.2526.80 does not properly use HTML entities, which might allow remote...Show more
The WebPageSerializerImpl::openTagToString function in WebKit/Source/web/WebPageSerializerImpl.cpp in the page serializer in Google Chrome before 47.0.2526.80 does not properly use HTML entities, which might allow remote attackers to inject arbitrary web script or HTML via a crafted document, as demonstrated by a double-quote character inside a single-quoted string.Show less