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CWE-20

13,740 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 (13,740)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
3Apache
DebianFedoraproject
3Debian Linux
FedoraXerces C++
May 6, 2026
Mar 24, 2015
N/A· v4
N/A· v3
5.0 MEDIUM· v2
internal/XMLReader.cpp in Apache Xerces-C before 3.1.2 allows remote attackers to cause a denial of service (segmentation fault and crash) via crafted XML data.
1Ibm
1Powervc
May 6, 2026
Mar 24, 2015
N/A· v4
N/A· v3
4.3 MEDIUM· v2
IBM PowerVC Standard 1.2.0.x before 1.2.0.4 and 1.2.1.x before 1.2.2 validates Hardware Management Console (HMC) certificates only during the pre-login stage, which allows man-in-the-middle attackers to spoof devices via...Show more
IBM PowerVC Standard 1.2.0.x before 1.2.0.4 and 1.2.1.x before 1.2.2 validates Hardware Management Console (HMC) certificates only during the pre-login stage, which allows man-in-the-middle attackers to spoof devices via a crafted certificate.Show less
1Cisco
1Ios
May 6, 2026
Mar 21, 2015
N/A· v4
N/A· v3
6.4 MEDIUM· v2
The Autonomic Networking Infrastructure (ANI) implementation in Cisco IOS 15.4S and 15.4(3)S allows remote attackers to modify configuration settings or cause a denial of service (partial service outage) by sending craft...Show more
The Autonomic Networking Infrastructure (ANI) implementation in Cisco IOS 15.4S and 15.4(3)S allows remote attackers to modify configuration settings or cause a denial of service (partial service outage) by sending crafted Autonomic Networking (AN) messages on an intranet network, aka Bug ID CSCup62167.Show less
1Openssl
1Openssl
May 6, 2026
Mar 19, 2015
N/A· v4
N/A· v3
2.6 LOW· v2
The ssl3_get_client_key_exchange function in s3_srvr.c in OpenSSL 1.0.2 before 1.0.2a, when client authentication and an ephemeral Diffie-Hellman ciphersuite are enabled, allows remote attackers to cause a denial of serv...Show more
The ssl3_get_client_key_exchange function in s3_srvr.c in OpenSSL 1.0.2 before 1.0.2a, when client authentication and an ephemeral Diffie-Hellman ciphersuite are enabled, allows remote attackers to cause a denial of service (daemon crash) via a ClientKeyExchange message with a length of zero.Show less
1Openssl
1Openssl
May 6, 2026
Mar 19, 2015
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The SSLv2 implementation in OpenSSL before 0.9.8zf, 1.0.0 before 1.0.0r, 1.0.1 before 1.0.1m, and 1.0.2 before 1.0.2a allows remote attackers to cause a denial of service (s2_lib.c assertion failure and daemon exit) via...Show more
The SSLv2 implementation in OpenSSL before 0.9.8zf, 1.0.0 before 1.0.0r, 1.0.1 before 1.0.1m, and 1.0.2 before 1.0.2a allows remote attackers to cause a denial of service (s2_lib.c assertion failure and daemon exit) via a crafted CLIENT-MASTER-KEY message.Show less
1Cisco
1Anyconnect Secure Mobility Client
May 6, 2026
Mar 18, 2015
N/A· v4
N/A· v3
4.3 MEDIUM· v2
The IPC channel in Cisco AnyConnect Secure Mobility Client 4.0(.00051) and earlier allows local users to write to arbitrary userspace memory locations, and consequently gain privileges, via crafted messages, aka Bug ID C...Show more
The IPC channel in Cisco AnyConnect Secure Mobility Client 4.0(.00051) and earlier allows local users to write to arbitrary userspace memory locations, and consequently gain privileges, via crafted messages, aka Bug ID CSCus79195.Show less
1Scadaengine
1Bacnet Opc Server
May 6, 2026
Mar 14, 2015
N/A· v4
N/A· v3
9.0 HIGH· v2
Format string vulnerability in BACnOPCServer.exe in the SOAP web interface in SCADA Engine BACnet OPC Server before 2.1.371.24 allows remote attackers to execute arbitrary code via format string specifiers in a request.
3Debian
FedoraprojectLibssh2
3Debian Linux
FedoraLibssh2
May 6, 2026
Mar 13, 2015
N/A· v4
N/A· v3
6.8 MEDIUM· v2
The kex_agree_methods function in libssh2 before 1.5.0 allows remote servers to cause a denial of service (crash) or have other unspecified impact via crafted length values in an SSH_MSG_KEXINIT packet.
1Cisco
3Expressway Software
Telepresence ConductorTelepresence Video Communication Server Software
May 6, 2026
Mar 13, 2015
N/A· v4
N/A· v3
7.8 HIGH· v2
The Session Description Protocol (SDP) implementation in Cisco TelePresence Video Communication Server (VCS) and Cisco Expressway before X8.2 and Cisco TelePresence Conductor before XC2.4 allows remote attackers to cause...Show more
The Session Description Protocol (SDP) implementation in Cisco TelePresence Video Communication Server (VCS) and Cisco Expressway before X8.2 and Cisco TelePresence Conductor before XC2.4 allows remote attackers to cause a denial of service (mishandled exception and device reload) via a crafted media description, aka Bug IDs CSCus96593 and CSCun73192.Show less
1Emc
2Rsa Certificate Manager
Rsa Registration Manager
May 6, 2026
Mar 12, 2015
N/A· v4
N/A· v3
7.8 HIGH· v2
EMC RSA Certificate Manager (RCM) before 6.9 build 558 and RSA Registration Manager (RRM) before 6.9 build 558 allow remote attackers to cause an Administration Server denial of service via an invalid MIME e-mail message...Show more
EMC RSA Certificate Manager (RCM) before 6.9 build 558 and RSA Registration Manager (RRM) before 6.9 build 558 allow remote attackers to cause an Administration Server denial of service via an invalid MIME e-mail message with a multipart/* Content-Type header.Show less
2Opensuse
Wireshark
2Opensuse
Wireshark
May 6, 2026
Mar 8, 2015
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The dissect_atn_cpdlc_heur function in asn1/atn-cpdlc/packet-atn-cpdlc-template.c in the ATN-CPDLC dissector in Wireshark 1.12.x before 1.12.4 does not properly follow the TRY/ENDTRY code requirements, which allows remot...Show more
The dissect_atn_cpdlc_heur function in asn1/atn-cpdlc/packet-atn-cpdlc-template.c in the ATN-CPDLC dissector in Wireshark 1.12.x before 1.12.4 does not properly follow the TRY/ENDTRY code requirements, which allows remote attackers to cause a denial of service (stack memory corruption and application crash) via a crafted packet.Show less
4Apache
AppleCanonical+1 more
5Http Server
Mac Os XMac Os X Server+2 more
May 6, 2026
Mar 8, 2015
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The lua_websocket_read function in lua_request.c in the mod_lua module in the Apache HTTP Server through 2.4.12 allows remote attackers to cause a denial of service (child-process crash) by sending a crafted WebSocket Pi...Show more
The lua_websocket_read function in lua_request.c in the mod_lua module in the Apache HTTP Server through 2.4.12 allows remote attackers to cause a denial of service (child-process crash) by sending a crafted WebSocket Ping frame after a Lua script has called the wsupgrade function.Show less
1Siemens
2Simatic S7 300 Cpu
Simatic S7 300 Cpu Firmware
Jun 2, 2026
Mar 7, 2015
N/A· v4
7.5 HIGH· v3
7.8 HIGH· v2
Siemens SIMATIC S7-300 CPU devices allow remote attackers to cause a denial of service (defect-mode transition) via crafted packets on (1) TCP port 102 or (2) Profibus.
1Siemens
3Spc4000 Firmware
Spc5000 FirmwareSpc6000 Firmware
May 6, 2026
Mar 7, 2015
N/A· v4
N/A· v3
7.8 HIGH· v2
Siemens SPC controllers SPC4000, SPC5000, and SPC6000 before 3.6.0 allow remote attackers to cause a denial of service (device restart) via crafted packets.
1Symantec
1Netbackup Opscenter
May 6, 2026
Mar 6, 2015
N/A· v4
N/A· v3
7.5 HIGH· v2
Symantec NetBackup OpsCenter 7.6.0.2 through 7.6.1 on Linux and UNIX allows remote attackers to execute arbitrary JavaScript code via unspecified vectors.
1Cisco
1Ios Xr
May 6, 2026
Mar 6, 2015
N/A· v4
N/A· v3
4.0 MEDIUM· v2
The SNMPv2 implementation in Cisco IOS XR allows remote authenticated users to cause a denial of service (snmpd daemon reload) via a malformed SNMP packet, aka Bug ID CSCur25858.
1Cisco
1Ios Xr
May 6, 2026
Mar 6, 2015
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Cisco IOS XR allows remote attackers to cause a denial of service (RSVP process reload) via a malformed RSVP packet, aka Bug ID CSCur69192.
6Canonical
DebianLinux+3 more
15Debian Linux
Enterprise Linux DesktopEnterprise Linux Server+12 more
May 6, 2026
Mar 2, 2015
N/A· v4
N/A· v3
5.0 MEDIUM· v2
net/netfilter/nf_conntrack_proto_generic.c in the Linux kernel before 3.18 generates incorrect conntrack entries during handling of certain iptables rule sets for the SCTP, DCCP, GRE, and UDP-Lite protocols, which allows...Show more
net/netfilter/nf_conntrack_proto_generic.c in the Linux kernel before 3.18 generates incorrect conntrack entries during handling of certain iptables rule sets for the SCTP, DCCP, GRE, and UDP-Lite protocols, which allows remote attackers to bypass intended access restrictions via packets with disallowed port numbers.Show less
1Cisco
1Unified Computing System
May 6, 2026
Feb 26, 2015
N/A· v4
N/A· v3
6.8 MEDIUM· v2
The Integrated Management Controller (IMC) in Cisco Unified Computing System (UCS) 1.4(7h) and earlier on C-Series servers allows remote attackers to bypass intended access restrictions by sending crafted DHCP response p...Show more
The Integrated Management Controller (IMC) in Cisco Unified Computing System (UCS) 1.4(7h) and earlier on C-Series servers allows remote attackers to bypass intended access restrictions by sending crafted DHCP response packets on the local network, aka Bug ID CSCuf52876.Show less
1Zhone Technologies
1Gpon 2520 Firmware
May 6, 2026
Feb 23, 2015
N/A· v4
N/A· v3
7.8 HIGH· v2
Zhone GPON 2520 with firmware R4.0.2.566b allows remote attackers to cause a denial of service via a long string in the oldpassword parameter.