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CWE-20

12,947 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 (12,947)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Huawei
1Harmonyos
Jun 17, 2026
Oct 28, 2021
N/A· v4
5.5 MEDIUM· v3
2.1 LOW· v2
A component of the HarmonyOS has a Improper Input Validation vulnerability. Local attackers may exploit this vulnerability to read at any address.
1Huawei
1Harmonyos
Jun 17, 2026
Oct 28, 2021
N/A· v4
3.3 LOW· v3
2.1 LOW· v2
A component of the HarmonyOS has a Improper Input Validation vulnerability. Local attackers may exploit this vulnerability to cause out-of-bounds write.
1Huawei
1Harmonyos
Jun 17, 2026
Oct 28, 2021
N/A· v4
5.5 MEDIUM· v3
2.1 LOW· v2
A component of the HarmonyOS has a Improper Input Validation vulnerability. Local attackers may exploit this vulnerability to read at any address.
1Cisco
12Adaptive Security Appliance
Adaptive Security Appliance SoftwareAsa 5505 Firmware+9 more
Aug 11, 2026
Oct 27, 2021
N/A· v4
5.3 MEDIUM· v3
5.0 MEDIUM· v2
Multiple vulnerabilities in the Application Level Gateway (ALG) for the Network Address Translation (NAT) feature of Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software could allo...Show more
Multiple vulnerabilities in the Application Level Gateway (ALG) for the Network Address Translation (NAT) feature of Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass the ALG and open unauthorized connections with a host located behind the ALG. For more information about these vulnerabilities, see the Details section of this advisory. Note: These vulnerabilities have been publicly discussed as NAT Slipstreaming.Show less
1Cisco
12Adaptive Security Appliance
Adaptive Security Appliance SoftwareAsa 5505 Firmware+9 more
Aug 11, 2026
Oct 27, 2021
N/A· v4
5.3 MEDIUM· v3
5.0 MEDIUM· v2
Multiple vulnerabilities in the Application Level Gateway (ALG) for the Network Address Translation (NAT) feature of Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software could allo...Show more
Multiple vulnerabilities in the Application Level Gateway (ALG) for the Network Address Translation (NAT) feature of Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to bypass the ALG and open unauthorized connections with a host located behind the ALG. For more information about these vulnerabilities, see the Details section of this advisory. Note: These vulnerabilities have been publicly discussed as NAT Slipstreaming.Show less
1Cisco
11Adaptive Security Appliance Software
Asa 5505 FirmwareAsa 5512 X Firmware+8 more
Aug 11, 2026
Oct 27, 2021
N/A· v4
7.5 HIGH· v3
7.8 HIGH· v2
A vulnerability in the software-based SSL/TLS message handler of Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause an af...Show more
A vulnerability in the software-based SSL/TLS message handler of Cisco Adaptive Security Appliance (ASA) Software and Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause an affected device to reload, resulting in a denial of service (DoS) condition. This vulnerability is due to insufficient validation of SSL/TLS messages when the device performs software-based SSL/TLS decryption. An attacker could exploit this vulnerability by sending a crafted SSL/TLS message to an affected device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition. Note: Datagram TLS (DTLS) messages cannot be used to exploit this vulnerability.Show less
1Cisco
4Firepower Management Center Virtual Appliance
Firepower Threat DefenseSecure Firewall Threat Defense+1 more
Aug 11, 2026
Oct 27, 2021
N/A· v4
7.8 HIGH· v3
7.2 HIGH· v2
Multiple vulnerabilities in the CLI of Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, local attacker to execute arbitrary commands with root privileges. For more information about these vulne...Show more
Multiple vulnerabilities in the CLI of Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, local attacker to execute arbitrary commands with root privileges. For more information about these vulnerabilities, see the Details section of this advisory.Show less
1Cisco
4Firepower Management Center Virtual Appliance
Firepower Threat DefenseSecure Firewall Threat Defense+1 more
Aug 11, 2026
Oct 27, 2021
N/A· v4
7.8 HIGH· v3
7.2 HIGH· v2
Multiple vulnerabilities in the CLI of Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, local attacker to execute arbitrary commands with root privileges. For more information about these vulne...Show more
Multiple vulnerabilities in the CLI of Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, local attacker to execute arbitrary commands with root privileges. For more information about these vulnerabilities, see the Details section of this advisory.Show less
1Helpu
1Helpuviewer
Jun 17, 2026
Oct 27, 2021
N/A· v4
7.8 HIGH· v3
4.6 MEDIUM· v2
An improper input validation vulnerability in Helpu solution could allow a local attacker to arbitrary file creation and execution without click file transfer menu. It is possible to file in arbitrary directory for user...Show more
An improper input validation vulnerability in Helpu solution could allow a local attacker to arbitrary file creation and execution without click file transfer menu. It is possible to file in arbitrary directory for user because the viewer program receive the file from agent with privilege of administrator.Show less
1Calibre Ebook
1Calibre
Nov 21, 2024
Oct 27, 2021
N/A· v4
9.8 CRITICAL· v3
10.0 HIGH· v2
Input validation issues were found in Calibre at devices/linux_mount_helper.c which can lead to argument injection and elevation of privileges.
1Ethereum
1Go Ethereum
Jun 17, 2026
Oct 26, 2021
N/A· v4
5.7 MEDIUM· v3
3.5 LOW· v2
Go Ethereum is the official Golang implementation of the Ethereum protocol. Prior to version 1.10.9, a vulnerable node is susceptible to crash when processing a maliciously crafted message from a peer. Version v1.10.9 co...Show more
Go Ethereum is the official Golang implementation of the Ethereum protocol. Prior to version 1.10.9, a vulnerable node is susceptible to crash when processing a maliciously crafted message from a peer. Version v1.10.9 contains patches to the vulnerability. There are no known workarounds aside from upgrading.Show less
1Tobesoft
1Nexacro
Jun 17, 2026
Oct 26, 2021
N/A· v4
9.8 CRITICAL· v3
10.0 HIGH· v2
An Improper input validation in execDefaultBrowser method of NEXACRO17 allows a remote attacker to execute arbitrary command on affected systems.
1Freeswitch
1Freeswitch
Jun 17, 2026
Oct 25, 2021
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. When handling SRTP calls, FreeSWITCH...Show more
FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a software implementation that runs on any commodity hardware. When handling SRTP calls, FreeSWITCH prior to version 1.10.7 is susceptible to a DoS where calls can be terminated by remote attackers. This attack can be done continuously, thus denying encrypted calls during the attack. When a media port that is handling SRTP traffic is flooded with a specially crafted SRTP packet, the call is terminated leading to denial of service. This issue was reproduced when using the SDES key exchange mechanism in a SIP environment as well as when using the DTLS key exchange mechanism in a WebRTC environment. The call disconnection occurs due to line 6331 in the source file `switch_rtp.c`, which disconnects the call when the total number of SRTP errors reach a hard-coded threshold (100). By abusing this vulnerability, an attacker is able to disconnect any ongoing calls that are using SRTP. The attack does not require authentication or any special foothold in the caller's or the callee's network. This issue is patched in version 1.10.7.Show less
1Nextcloud
1Mail
Jun 17, 2026
Oct 25, 2021
N/A· v4
3.5 LOW· v3
3.5 LOW· v2
Nextcloud is an open-source, self-hosted productivity platform The Nextcloud Mail application prior to versions 1.10.4 and 1.11.0 does by default not render images in emails to not leak the read state or user IP. The pri...Show more
Nextcloud is an open-source, self-hosted productivity platform The Nextcloud Mail application prior to versions 1.10.4 and 1.11.0 does by default not render images in emails to not leak the read state or user IP. The privacy filter failed to filter images with a relative protocol. It is recommended that the Nextcloud Mail application is upgraded to 1.10.4 or 1.11.0. There are no known workarounds aside from upgrading.Show less
1Emerson
3Wireless 1410 Gateway Firmware
Wireless 1410d Gateway FirmwareWireless 1420 Gateway Firmware
Jun 17, 2026
Oct 22, 2021
N/A· v4
8.8 HIGH· v3
6.5 MEDIUM· v2
The affected product is vulnerable to improper input validation in the restore file. This enables an attacker to provide malicious config files to replace any file on disk.
1Google
1Android
Jun 17, 2026
Oct 22, 2021
N/A· v4
5.5 MEDIUM· v3
4.7 MEDIUM· v2
In loadLabel of PackageItemInfo.java, there is a possible way to DoS a device by having a long label in an app due to incorrect input validation. This could lead to local denial of service with no additional execution pr...Show more
In loadLabel of PackageItemInfo.java, there is a possible way to DoS a device by having a long label in an app due to incorrect input validation. This could lead to local denial of service with no additional execution privileges needed. User interaction is needed for exploitation.Product: AndroidVersions: Android-11 Android-9 Android-10Android ID: A-67013844Show less
1Auvesy
1Versiondog
Jun 17, 2026
Oct 22, 2021
N/A· v4
6.5 MEDIUM· v3
4.0 MEDIUM· v2
The affected product’s OS Service does not verify any given parameter. A user can supply any type of parameter that will be passed to inner calls without checking the type of the parameter or the value.
1Reddit
1Snudown
Jun 17, 2026
Oct 21, 2021
N/A· v4
6.5 MEDIUM· v3
4.0 MEDIUM· v2
Snudown is a reddit-specific fork of the Sundown Markdown parser used by GitHub, with Python integration added. In affected versions snudown was found to be vulnerable to denial of service attacks to its reference table...Show more
Snudown is a reddit-specific fork of the Sundown Markdown parser used by GitHub, with Python integration added. In affected versions snudown was found to be vulnerable to denial of service attacks to its reference table implementation. References written in markdown ` [reference_name]: https://www.example.com` are inserted into a hash table which was found to have a weak hash function, meaning that an attacker can reliably generate a large number of collisions for it. This makes the hash table vulnerable to a hash-collision DoS attack, a type of algorithmic complexity attack. Further the hash table allowed for duplicate entries resulting in long retrieval times. Proofs of concept and further discussion of the hash collision issue are discussed on the snudown GHSA(https://github.com/reddit/snudown/security/advisories/GHSA-6gvv-9q92-w5f6). Users are advised to update to version 1.7.0.Show less
1Cisco
1Unified Computing System
Jun 17, 2026
Oct 21, 2021
N/A· v4
7.5 HIGH· v3
5.0 MEDIUM· v2
A vulnerability in the web-based management interface of Cisco Integrated Management Controller (IMC) Software could allow an unauthenticated, remote attacker to cause the web-based management interface to unexpectedly r...Show more
A vulnerability in the web-based management interface of Cisco Integrated Management Controller (IMC) Software could allow an unauthenticated, remote attacker to cause the web-based management interface to unexpectedly restart. The vulnerability is due to insufficient input validation on the web-based management interface. An attacker could exploit this vulnerability by sending a crafted HTTP request to an affected device. A successful exploit could allow the attacker to cause the interface to restart, resulting in a denial of service (DoS) condition.Show less
1Oracle
1Sales Offline
Jun 17, 2026
Oct 20, 2021
N/A· v4
4.3 MEDIUM· v3
4.0 MEDIUM· v2
Vulnerability in the Oracle Sales Offline product of Oracle E-Business Suite (component: Offline Template). Supported versions that are affected are 12.1.1-12.1.3 and 12.2.3-12.2.10. Easily exploitable vulnerability allo...Show more
Vulnerability in the Oracle Sales Offline product of Oracle E-Business Suite (component: Offline Template). Supported versions that are affected are 12.1.1-12.1.3 and 12.2.3-12.2.10. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Sales Offline. Successful attacks of this vulnerability can result in unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Sales Offline. CVSS 3.1 Base Score 4.3 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L).Show less