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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
1Microsoft
1Power Bi Report Server
Aug 19, 2026
May 21, 2020
N/A· v4
6.8 MEDIUM· v3
3.5 LOW· v2
A spoofing vulnerability exists in Microsoft Power BI Report Server in the way it validates the content-type of uploaded attachments. An authenticated attacker could exploit the vulnerability by uploading a specially cra...Show more
A spoofing vulnerability exists in Microsoft Power BI Report Server in the way it validates the content-type of uploaded attachments. An authenticated attacker could exploit the vulnerability by uploading a specially crafted payload and sending it to the user. The attacker who successfully exploited this vulnerability could then perform actions and run scripts in the security context of the user. This security update addresses the vulnerability by ensuring Power BI Report Server properly validates content-type of the attachments when uploading and opening.Show less
1Microsoft
3Windows 10
Windows Server 2016Windows Server 2019
Aug 19, 2026
May 21, 2020
N/A· v4
5.5 MEDIUM· v3
2.1 LOW· v2
A Denial Of Service vulnerability exists when Connected User Experiences and Telemetry Service fails to validate certain function values. An attacker who successfully exploited this vulnerability could deny dependent sec...Show more
A Denial Of Service vulnerability exists when Connected User Experiences and Telemetry Service fails to validate certain function values. An attacker who successfully exploited this vulnerability could deny dependent security feature functionality. To exploit this vulnerability, an attacker would have to log on to an affected system and run a specially crafted application. The security update addresses the vulnerability by correcting how the Connected User Experiences and Telemetry Service validates certain function values.Show less
1Microsoft
8Windows 10
Windows 7Windows 8.1+5 more
Aug 19, 2026
May 21, 2020
N/A· v4
7.8 HIGH· v3
7.2 HIGH· v2
An elevation of privilege vulnerability exists when the Windows Printer Service improperly validates file paths while loading printer drivers. An authenticated attacker who successfully exploited this vulnerability could...Show more
An elevation of privilege vulnerability exists when the Windows Printer Service improperly validates file paths while loading printer drivers. An authenticated attacker who successfully exploited this vulnerability could run arbitrary code with elevated system privileges. To exploit this vulnerability, an attacker would first have to log on to the system. An attacker could then run a specially crafted application that could exploit the vulnerability and take control of an affected system. The update addresses this vulnerability by correcting how the Windows Printer Service validates file paths.Show less
1Moodle
1Moodle
Jun 17, 2026
May 21, 2020
N/A· v4
8.8 HIGH· v3
6.5 MEDIUM· v2
A flaw was found in Moodle versions 3.8 before 3.8.3, 3.7 before 3.7.6, 3.6 before 3.6.10, 3.5 before 3.5.12 and earlier unsupported versions. It was possible to create a SCORM package in such a way that when added to a...Show more
A flaw was found in Moodle versions 3.8 before 3.8.3, 3.7 before 3.7.6, 3.6 before 3.6.10, 3.5 before 3.5.12 and earlier unsupported versions. It was possible to create a SCORM package in such a way that when added to a course, it could be interacted with via web services in order to achieve remote code execution.Show less
4Debian
FedoraprojectGoogle+1 more
5Backports Sle
ChromeDebian Linux+2 more
Jun 17, 2026
May 21, 2020
N/A· v4
6.5 MEDIUM· v3
4.3 MEDIUM· v2
Insufficient data validation in media router in Google Chrome prior to 83.0.4103.61 allowed a remote attacker who had compromised the renderer process to bypass navigation restrictions via a crafted HTML page.
1Hpe
1Superdome Flex Server Firmware
Jun 17, 2026
May 19, 2020
N/A· v4
6.7 MEDIUM· v3
4.6 MEDIUM· v2
A validation issue in HPE Superdome Flex's RMC component may allow local elevation of privilege. Apply HPE Superdome Flex Server version 3.25.46 or later to resolve this issue.
2Fedoraproject
Redhat
2Fedora
Resteasy
Jun 17, 2026
May 19, 2020
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
A flaw was found in all resteasy 3.x.x versions prior to 3.12.0.Final and all resteasy 4.x.x versions prior to 4.6.0.Final, where an improper input validation results in returning an illegal header that integrates into t...Show more
A flaw was found in all resteasy 3.x.x versions prior to 3.12.0.Final and all resteasy 4.x.x versions prior to 4.6.0.Final, where an improper input validation results in returning an illegal header that integrates into the server's response. This flaw may result in an injection, which leads to unexpected behavior when the HTTP response is constructed.Show less
1Ibm
1Spectrum Scale
Jun 17, 2026
May 19, 2020
N/A· v4
7.1 HIGH· v3
4.9 MEDIUM· v2
The Spectrum Scale 4.2.0.0 through 4.2.3.21 and 5.0.0.0 through 5.0.4.3 file system component is affected by a denial of service vulnerability in its kernel module that could allow an attacker to cause a denial of servic...Show more
The Spectrum Scale 4.2.0.0 through 4.2.3.21 and 5.0.0.0 through 5.0.4.3 file system component is affected by a denial of service vulnerability in its kernel module that could allow an attacker to cause a denial of service condition on the affected system. To exploit this vulnerability, a local attacker could invoke a subset of ioctls on the Spectrum Scale device with non-valid arguments. This could allow the attacker to crash the kernel. IBM X-Force ID: 179986.Show less
1Dovecot
1Dovecot
Jun 17, 2026
May 18, 2020
N/A· v4
5.3 MEDIUM· v3
5.0 MEDIUM· v2
In Dovecot before 2.3.10.1, remote unauthenticated attackers can crash the lmtp or submission process by sending mail with an empty localpart.
1Naviserver Project
1Naviserver
Jun 17, 2026
May 16, 2020
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
NaviServer 4.99.4 to 4.99.19 allows denial of service due to the nsd/driver.c ChunkedDecode function not properly validating the length of a chunk. A remote attacker can craft a chunked-transfer request that will result...Show more
NaviServer 4.99.4 to 4.99.19 allows denial of service due to the nsd/driver.c ChunkedDecode function not properly validating the length of a chunk. A remote attacker can craft a chunked-transfer request that will result in a negative value being passed to memmove via the size parameter, causing the process to crash.Show less
3Canonical
DebianFedoraproject
4Apt
Debian LinuxFedora+1 more
Jun 17, 2026
May 15, 2020
N/A· v4
5.5 MEDIUM· v3
4.3 MEDIUM· v2
Missing input validation in the ar/tar implementations of APT before version 2.1.2 could result in denial of service when processing specially crafted deb files.
1Bitdefender
1Engines
Jun 17, 2026
May 15, 2020
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
Improper Input Validation vulnerability in the cevakrnl.rv0 module as used in the Bitdefender Engines allows an attacker to trigger a denial of service while scanning a specially-crafted sample. This issue affects: Bitde...Show more
Improper Input Validation vulnerability in the cevakrnl.rv0 module as used in the Bitdefender Engines allows an attacker to trigger a denial of service while scanning a specially-crafted sample. This issue affects: Bitdefender Bitdefender Engines versions prior to 7.84063.Show less
1Paloaltonetworks
1Pan Os
Jun 17, 2026
May 13, 2020
N/A· v4
7.5 HIGH· v3
7.8 HIGH· v2
An improper input validation vulnerability in the configuration daemon of Palo Alto Networks PAN-OS Panorama allows for a remote unauthenticated user to send a specifically crafted registration request to the device that...Show more
An improper input validation vulnerability in the configuration daemon of Palo Alto Networks PAN-OS Panorama allows for a remote unauthenticated user to send a specifically crafted registration request to the device that causes the configuration service to crash. Repeated attempts to send this request result in denial of service to all PAN-OS Panorama services by restarting the device and putting it into maintenance mode. This issue affects: All versions of PAN-OS 7.1, PAN-OS 8.0; PAN-OS 8.1 versions earlier than 8.1.14; PAN-OS 9.0 versions earlier than 9.0.7; PAN-OS 9.1 versions earlier than 9.1.0.Show less
2Quarkus
Redhat
7Decision Manager
Jboss FuseKeycloak+4 more
Jun 17, 2026
May 13, 2020
N/A· v4
8.8 HIGH· v3
6.5 MEDIUM· v2
A flaw was found in Keycloak before version 11.0.0, where the code base contains usages of ObjectInputStream without type checks. This flaw allows an attacker to inject arbitrarily serialized Java Objects, which would th...Show more
A flaw was found in Keycloak before version 11.0.0, where the code base contains usages of ObjectInputStream without type checks. This flaw allows an attacker to inject arbitrarily serialized Java Objects, which would then get deserialized in a privileged context and potentially lead to remote code execution.Show less
1Freebsd
1Freebsd
Jun 17, 2026
May 13, 2020
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
In FreeBSD 12.1-STABLE before r360971, 12.1-RELEASE before p5, 11.4-STABLE before r360971, 11.4-BETA1 before p1 and 11.3-RELEASE before p9, libalias does not properly validate packet length resulting in modules causing a...Show more
In FreeBSD 12.1-STABLE before r360971, 12.1-RELEASE before p5, 11.4-STABLE before r360971, 11.4-BETA1 before p1 and 11.3-RELEASE before p9, libalias does not properly validate packet length resulting in modules causing an out of bounds read/write condition if no checking was built into the module.Show less
1Freebsd
1Freebsd
Jun 17, 2026
May 13, 2020
N/A· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
In FreeBSD 12.1-STABLE before r356911, and 12.1-RELEASE before p5, insufficient checking in the cryptodev module allocated the size of a kernel buffer based on a user-supplied length allowing an unprivileged process to t...Show more
In FreeBSD 12.1-STABLE before r356911, and 12.1-RELEASE before p5, insufficient checking in the cryptodev module allocated the size of a kernel buffer based on a user-supplied length allowing an unprivileged process to trigger a kernel panic.Show less
1Iubenda
1Iubenda Cookie Law Solution
Jun 17, 2026
May 13, 2020
N/A· v4
6.1 MEDIUM· v3
4.3 MEDIUM· v2
The iubenda-cookie-law-solution plugin before 2.3.5 for WordPress does not restrict URL sanitization to http protocols.
4Canonical
CiscoDebian+1 more
4Clam Antivirus
Debian LinuxFedora+1 more
Jun 17, 2026
May 13, 2020
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
A vulnerability in the PDF archive parsing module in Clam AntiVirus (ClamAV) Software versions 0.101 - 0.102.2 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device....Show more
A vulnerability in the PDF archive parsing module in Clam AntiVirus (ClamAV) Software versions 0.101 - 0.102.2 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to a stack buffer overflow read. An attacker could exploit this vulnerability by sending a crafted PDF file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process crash, resulting in a denial of service condition.Show less
4Canonical
CiscoDebian+1 more
4Clam Antivirus
Debian LinuxFedora+1 more
Jun 17, 2026
May 13, 2020
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
A vulnerability in the ARJ archive parsing module in Clam AntiVirus (ClamAV) Software versions 0.102.2 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vul...Show more
A vulnerability in the ARJ archive parsing module in Clam AntiVirus (ClamAV) Software versions 0.102.2 could allow an unauthenticated, remote attacker to cause a denial of service condition on an affected device. The vulnerability is due to a heap buffer overflow read. An attacker could exploit this vulnerability by sending a crafted ARJ file to an affected device. An exploit could allow the attacker to cause the ClamAV scanning process crash, resulting in a denial of service condition.Show less
1Sap
1Adaptive Server Enterprise Backup Server
Jun 17, 2026
May 12, 2020
N/A· v4
7.2 HIGH· v3
6.5 MEDIUM· v2
SAP Adaptive Server Enterprise (Backup Server), version 16.0, does not perform the necessary validation checks for an authenticated user while executing DUMP or LOAD command allowing arbitrary code execution or Code Inje...Show more
SAP Adaptive Server Enterprise (Backup Server), version 16.0, does not perform the necessary validation checks for an authenticated user while executing DUMP or LOAD command allowing arbitrary code execution or Code Injection.Show less