A vulnerability in the web framework of the Cisco TelePresence IX5000 Series could allow an unauthenticated, remote atta
reg.php in Allen Disk 1.6 doesn't check if isset($_SESSION['captcha']['code'])==1, which makes it possible to bypass the
/admin/loginc.php in Allen Disk 1.6 doesn't check if isset($_SESSION['captcha']['code']) == 1, which leads to CAPTCHA by
An issue was discovered on Mimosa Client Radios before 2.2.3 and Mimosa Backhaul Radios before 2.2.3. By connecting to t
Teradata Gateway before 15.00.03.02-1 and 15.10.x before 15.10.00.01-1 and TD Express before 15.00.02.08_Sles10 and 15.0
An incorrect "pair?" check in the Scheme "length" procedure results in an unsafe pointer dereference in all CHICKEN Sche
In Wireshark 2.2.0 to 2.2.6 and 2.0.0 to 2.0.12, the openSAFETY dissector could crash or exhaust system memory. This was
In Wireshark 2.2.0 to 2.2.6, the IPv6 dissector could crash. This was addressed in epan/dissectors/packet-ipv6.c by vali
In Wireshark 2.2.0 to 2.2.6 and 2.0.0 to 2.0.12, the RGMP dissector could crash. This was addressed in epan/dissectors/p
In Apache Hadoop 2.8.0, 3.0.0-alpha1, and 3.0.0-alpha2, the LinuxContainerExecutor runs docker commands as root with ins
In ARM Trusted Firmware through 1.3, the secure self-hosted invasive debug interface allows normal world attackers to ca
Application plugins in Apache CXF Fediz before 1.1.3 and 1.2.x before 1.2.1 allow remote attackers to cause a denial of
The gmp plugin in strongSwan before 5.5.3 does not properly validate RSA public keys before calling mpz_powm_sec, which
The signal handler implementations in socat before 1.7.3.0 and 2.0.0-b8 allow remote attackers to cause a denial of serv
The IP stack in multiple Huawei Campus series switch models allows remote attackers to cause a denial of service (reboot
An issue was discovered in Cloud Foundry Foundation cf-release versions prior to v263; UAA release 2.x versions prior to
A vulnerability in the email message scanning of Cisco AsyncOS Software for Cisco Email Security Appliance (ESA) could a
A vulnerability in the feature-license management functionality of Cisco Firepower System Software could allow an unauth
A vulnerability in the AutoVNF logging function of Cisco Ultra Services Framework could allow an unauthenticated, remote
On D-Link DIR-605L devices, firmware before 2.08UIBetaB01.bin allows an unauthenticated GET request to trigger a reboot.
The NetKVM Windows Virtio driver allows remote attackers to cause a denial of service (guest crash) via a crafted length
TeamSpeak Client 3.0.19 allows remote attackers to cause a denial of service (application crash) via the ᗪ Unicode
Huawei Ascend P7 allows remote attackers to cause a denial of service (phone process crash).
In LibTIFF 4.0.8, there is a assertion abort in the TIFFWriteDirectoryTagCheckedLong8Array function in tif_dirwrite.c. A
The qemu-nbd server in QEMU (aka Quick Emulator), when built with the Network Block Device (NBD) Server support, allows
The ReadOneJNGImage function in coders/png.c in GraphicsMagick 1.3.26 allows remote attackers to cause a denial of servi
In ncurses 6.0, there is an attempted 0xffffffffffffffff access in the append_acs function of tinfo/parse_entry.c. It co
In PHP before 5.6.28 and 7.x before 7.0.13, incorrect handling of various URI components in the URL parser could be used
iSmartAlarm cube devices allow Denial of Service. Sending a SYN flood on port 12345 will freeze the "cube" and it will s
Microsoft .NET Framework 4.6, 4.6.1, 4.6.2, and 4.7 allow an attacker to send specially crafted requests to a .NET web a
FedMsg 0.18.1 and older is vulnerable to a message validation flaw resulting in message validation not being enabled if
phpMyAdmin 4.0, 4.4, and 4.6 are vulnerable to a DOS weakness in the table editing functionality
A weakness was discovered where an attacker can inject arbitrary values in to the browser cookies. This is a re-issue of
phpMyAdmin 4.0, 4.4., and 4.6 are vulnerable to a DOS attack in the replication status by using a specially crafted tabl
the web framework using ljharb's qs module older than v6.3.2, v6.2.3, v6.1.2, and v6.0.4 is vulnerable to a DoS. A malic
There is an illegal address access in ast.cpp of LibSass 3.4.5. A crafted input will lead to a remote denial of service
Receipt of a malformed BGP OPEN message may cause the routing protocol daemon (rpd) process to crash and restart. By con
In Wireshark 2.2.0 to 2.2.7 and 2.0.0 to 2.0.13, the MQ dissector could crash. This was addressed in epan/dissectors/pac
In Wireshark 2.2.0 to 2.2.7 and 2.0.0 to 2.0.13, the AMQP dissector could crash. This was addressed in epan/dissectors/p
In Wireshark through 2.0.13 and 2.2.x through 2.2.7, the WBXML dissector could go into an infinite loop, triggered by pa
In Wireshark through 2.0.13 and 2.2.x through 2.2.7, the openSAFETY dissector could crash or exhaust system memory. This
The log_config_command function in ntp_parser.y in ntpd in NTP before 4.2.7p42 allows remote attackers to cause a denial
ntp_openssl.m4 in ntpd in NTP before 4.2.7p112 allows remote attackers to cause a denial of service (segmentation fault)
IBM Security Guardium 10.0 and 10.1 processes patches, image backups and other updates without sufficiently verifying th
There is an illegal address access in the extend_alias_table function in localealias.c of Exiv2 0.26. A crafted input wi
There is an illegal address access in the Eval::operator function in eval.cpp in LibSass 3.4.5. A crafted input will lea
The "pidfile" or "driftfile" directives in NTP ntpd 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77, when ntpd is configur
Node.js v4.0 through v4.8.3, all versions of v5.x, v6.0 through v6.11.0, v7.0 through v7.10.0, and v8.0 through v8.1.3 w
A vulnerability in the web proxy functionality of the Cisco Web Security Appliance (WSA) could allow an unauthenticated,
The ff_amf_get_field_value function in libavformat/rtmppkt.c in FFmpeg 3.3.2 allows remote RTMP servers to cause a denia
Frequently Asked Questions
What is CWE-20?
CWE-20 (Improper Input Validation) is a weakness category in the Common Weakness Enumeration (CWE) system maintained by MITRE. It describes a class of software or hardware vulnerability that can lead to security issues.
How many CVEs are classified as CWE-20?
There are 14,187 CVE records associated with CWE-20 in our database. Of these, 1071 are critical severity, 4031 are high severity, and 3494 are medium severity.
How can I protect against CWE-20 vulnerabilities?
Protection strategies depend on the specific weakness type. General measures include input validation, secure coding practices, regular security testing, and keeping software up to date. CyberStrike can help by automatically scanning your infrastructure for vulnerabilities related to CWE-20 using AI-powered security agents.
Detect CWE-20 Vulnerabilities
CyberStrike's AI agents automatically detect improper input validation vulnerabilities across your infrastructure.
Get Started