CWE-754
Improper Check for Unusual or Exceptional Conditions
Description
The product does not check or incorrectly checks for unusual or exceptional conditions that are not expected to occur frequently during day to day operation of the product.
Hierarchy (View 1000)
CVEs mapped to this weakness (651)
page 24 of 33| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2020-7549 | Med | 0.35 | 5.3 | 0.01 | Dec 11, 2020 | A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in the Web Server on Modicon M340, Legacy Offers Modicon Quantum and Modicon Premium and associated Communication Modules (see security notification for affected versions), that could cause… | ||
| CVE-2019-20924 | Med | 0.35 | 6.5 | 0.01 | Nov 23, 2020 | A user authorized to perform database queries may trigger denial of service by issuing specially crafted queries which trigger an invariant in the IndexBoundsBuilder. This issue affects MongoDB Server v4.2 versions prior to 4.2.2. | ||
| CVE-2020-1999 | Med | 0.35 | 5.3 | 0.01 | Nov 12, 2020 | A vulnerability exists in the Palo Alto Network PAN-OS signature-based threat detection engine that allows an attacker to communicate with devices in the network in a way that is not analyzed for threats by sending data through specifically crafted TCP packets. This technique… | ||
| CVE-2017-18914 | Med | 0.35 | 5.3 | 0.01 | Jun 19, 2020 | An issue was discovered in Mattermost Server before 3.8.2, 3.7.5, and 3.6.7. An external link can occur on an error page even if it is not on an allowlist. | ||
| CVE-2019-11779 | Med | 0.35 | 6.5 | 0.03 | Sep 19, 2019 | In Eclipse Mosquitto 1.5.0 to 1.6.5 inclusive, if a malicious MQTT client sends a SUBSCRIBE packet containing a topic that consists of approximately 65400 or more '/' characters, i.e. the topic hierarchy separator, then a stack overflow will occur. | ||
| CVE-2025-71413 | — | Med | 0.34 | 5.3 | 0.00 | Aug 7, 2026 | Malformed or out-of-sequence frames at the Aviation Very High Frequency Link Control X.25 layers cause repeated resets which may result in increased workload and reduced situational awareness. This type of attack can be carried out remotely over radio frequency. | |
| CVE-2026-0944 | Med | 0.34 | 5.3 | 0.00 | Feb 4, 2026 | Improper Check for Unusual or Exceptional Conditions vulnerability in Drupal Group invite allows Forceful Browsing.This issue affects Group invite: from 0.0.0 before 2.3.9, from 3.0.0 before 3.0.4, from 4.0.0 before 4.0.4. | ||
| CVE-2025-15542 | Med | 0.34 | 5.3 | 0.00 | Jan 29, 2026 | Improper handling of exceptional conditions in VX800v v1.0 in SIP processing allows an attacker to flood the device with crafted INVITE messages, blocking all voice lines and causing a denial of service on incoming calls. | ||
| CVE-2026-22796 | Med | 0.34 | 5.3 | 0.01 | Jan 27, 2026 | Issue summary: A type confusion vulnerability exists in the signature verification of signed PKCS#7 data where an ASN1_TYPE union member is accessed without first validating the type, causing an invalid or NULL pointer dereference when processing malformed PKCS#7 data. Impact… | ||
| CVE-2025-66357 | Med | 0.34 | 5.3 | 0.00 | Dec 16, 2025 | CHOCO TEI WATCHER mini (IB-MCT001) contains an issue with improper check for unusual or exceptional conditions. When the Video Download feature is in a specific communication state, the product's resources may be consumed abnormally. | ||
| CVE-2025-13080 | Med | 0.34 | 5.3 | 0.00 | Nov 18, 2025 | Improper Check for Unusual or Exceptional Conditions vulnerability in Drupal Drupal core allows Forceful Browsing.This issue affects Drupal core: from 8.0.0 before 10.4.9, from 10.5.0 before 10.5.6, from 11.0.0 before 11.1.9, from 11.2.0 before 11.2.8. | ||
| CVE-2024-26008 | Med | 0.34 | 5.3 | 0.00 | Oct 14, 2025 | An improper check or handling of exceptional conditions vulnerability [CWE-703] in FortiOS version 7.4.0 through 7.4.3 and before 7.2.7, FortiProxy version 7.4.0 through 7.4.3 and before 7.2.9, FortiPAM before 1.2.0 and FortiSwitchManager version 7.2.0 through 7.2.3 and version… | ||
| CVE-2025-21597 | Med | 0.34 | 5.3 | 0.00 | Apr 9, 2025 | An Improper Check for Unusual or Exceptional Conditions vulnerability in routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, logically adjacent BGP peer to cause Denial of Service (DoS). On all Junos OS and Junos OS Evolved… | ||
| CVE-2024-42411 | Med | 0.34 | 5.3 | 0.00 | Aug 22, 2024 | Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.x <= 9.10.0, 9.8.x <= 9.8.2 fail to restrict the input in POST /api/v4/users which allows a user to manipulate the creation date in POST /api/v4/users tricking the admin into believing their account is much older. | ||
| CVE-2023-32871 | Med | 0.34 | 5.3 | 0.00 | May 6, 2024 | In DA, there is a possible permission bypass due to an incorrect status check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS08355514; Issue ID: ALPS08355514. | ||
| CVE-2024-30409 | Med | 0.34 | 5.3 | 0.00 | Apr 12, 2024 | An Improper Check for Unusual or Exceptional Conditions vulnerability in telemetry processing of Juniper Networks Junos OS and Junos OS Evolved allows a network-based authenticated attacker to cause the forwarding information base telemetry daemon (fibtd) to crash, leading to a… | ||
| CVE-2023-41304 | Med | 0.34 | 5.3 | 0.00 | Oct 11, 2023 | Parameter verification vulnerability in the window module.Successful exploitation of this vulnerability may cause the size of an app window to be adjusted to that of a floating window. | ||
| CVE-2022-3192 | Med | 0.34 | 5.3 | 0.01 | Mar 31, 2023 | Improper Input Validation vulnerability in ABB AC500 V2 PM5xx allows Client-Server Protocol Manipulation.This issue affects AC500 V2: from 2.0.0 before 2.8.6. | ||
| CVE-2021-44856 | Med | 0.34 | 5.3 | 0.00 | Dec 26, 2022 | An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. A title blocked by AbuseFilter can be created via Special:ChangeContentModel due to the mishandling of the EditFilterMergedContent hook return value. | ||
| CVE-2022-22238 | Med | 0.34 | 5.3 | 0.00 | Oct 18, 2022 | An Improper Check for Unusual or Exceptional Conditions vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause a Denial of Service (DoS). When an incoming RESV message… |
- risk 0.35cvss 5.3epss 0.01
A CWE-754: Improper Check for Unusual or Exceptional Conditions vulnerability exists in the Web Server on Modicon M340, Legacy Offers Modicon Quantum and Modicon Premium and associated Communication Modules (see security notification for affected versions), that could cause…
- risk 0.35cvss 6.5epss 0.01
A user authorized to perform database queries may trigger denial of service by issuing specially crafted queries which trigger an invariant in the IndexBoundsBuilder. This issue affects MongoDB Server v4.2 versions prior to 4.2.2.
- risk 0.35cvss 5.3epss 0.01
A vulnerability exists in the Palo Alto Network PAN-OS signature-based threat detection engine that allows an attacker to communicate with devices in the network in a way that is not analyzed for threats by sending data through specifically crafted TCP packets. This technique…
- risk 0.35cvss 5.3epss 0.01
An issue was discovered in Mattermost Server before 3.8.2, 3.7.5, and 3.6.7. An external link can occur on an error page even if it is not on an allowlist.
- risk 0.35cvss 6.5epss 0.03
In Eclipse Mosquitto 1.5.0 to 1.6.5 inclusive, if a malicious MQTT client sends a SUBSCRIBE packet containing a topic that consists of approximately 65400 or more '/' characters, i.e. the topic hierarchy separator, then a stack overflow will occur.
- risk 0.34cvss 5.3epss 0.00
Malformed or out-of-sequence frames at the Aviation Very High Frequency Link Control X.25 layers cause repeated resets which may result in increased workload and reduced situational awareness. This type of attack can be carried out remotely over radio frequency.
- risk 0.34cvss 5.3epss 0.00
Improper Check for Unusual or Exceptional Conditions vulnerability in Drupal Group invite allows Forceful Browsing.This issue affects Group invite: from 0.0.0 before 2.3.9, from 3.0.0 before 3.0.4, from 4.0.0 before 4.0.4.
- risk 0.34cvss 5.3epss 0.00
Improper handling of exceptional conditions in VX800v v1.0 in SIP processing allows an attacker to flood the device with crafted INVITE messages, blocking all voice lines and causing a denial of service on incoming calls.
- risk 0.34cvss 5.3epss 0.01
Issue summary: A type confusion vulnerability exists in the signature verification of signed PKCS#7 data where an ASN1_TYPE union member is accessed without first validating the type, causing an invalid or NULL pointer dereference when processing malformed PKCS#7 data. Impact…
- risk 0.34cvss 5.3epss 0.00
CHOCO TEI WATCHER mini (IB-MCT001) contains an issue with improper check for unusual or exceptional conditions. When the Video Download feature is in a specific communication state, the product's resources may be consumed abnormally.
- risk 0.34cvss 5.3epss 0.00
Improper Check for Unusual or Exceptional Conditions vulnerability in Drupal Drupal core allows Forceful Browsing.This issue affects Drupal core: from 8.0.0 before 10.4.9, from 10.5.0 before 10.5.6, from 11.0.0 before 11.1.9, from 11.2.0 before 11.2.8.
- risk 0.34cvss 5.3epss 0.00
An improper check or handling of exceptional conditions vulnerability [CWE-703] in FortiOS version 7.4.0 through 7.4.3 and before 7.2.7, FortiProxy version 7.4.0 through 7.4.3 and before 7.2.9, FortiPAM before 1.2.0 and FortiSwitchManager version 7.2.0 through 7.2.3 and version…
- risk 0.34cvss 5.3epss 0.00
An Improper Check for Unusual or Exceptional Conditions vulnerability in routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, logically adjacent BGP peer to cause Denial of Service (DoS). On all Junos OS and Junos OS Evolved…
- risk 0.34cvss 5.3epss 0.00
Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.x <= 9.10.0, 9.8.x <= 9.8.2 fail to restrict the input in POST /api/v4/users which allows a user to manipulate the creation date in POST /api/v4/users tricking the admin into believing their account is much older.
- risk 0.34cvss 5.3epss 0.00
In DA, there is a possible permission bypass due to an incorrect status check. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS08355514; Issue ID: ALPS08355514.
- risk 0.34cvss 5.3epss 0.00
An Improper Check for Unusual or Exceptional Conditions vulnerability in telemetry processing of Juniper Networks Junos OS and Junos OS Evolved allows a network-based authenticated attacker to cause the forwarding information base telemetry daemon (fibtd) to crash, leading to a…
- risk 0.34cvss 5.3epss 0.00
Parameter verification vulnerability in the window module.Successful exploitation of this vulnerability may cause the size of an app window to be adjusted to that of a floating window.
- risk 0.34cvss 5.3epss 0.01
Improper Input Validation vulnerability in ABB AC500 V2 PM5xx allows Client-Server Protocol Manipulation.This issue affects AC500 V2: from 2.0.0 before 2.8.6.
- risk 0.34cvss 5.3epss 0.00
An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. A title blocked by AbuseFilter can be created via Special:ChangeContentModel due to the mishandling of the EditFilterMergedContent hook return value.
- risk 0.34cvss 5.3epss 0.00
An Improper Check for Unusual or Exceptional Conditions vulnerability in the routing protocol daemon (rpd) of Juniper Networks Junos OS and Junos OS Evolved allows an unauthenticated, adjacent attacker to cause a Denial of Service (DoS). When an incoming RESV message…