CWE-252

Unchecked Return Value

The product does not check the return value from a method or function, which can prevent it from detecting unexpected states and conditions.

CVE-2025-54571 (GCVE-0-2025-54571)

Vulnerability from cvelistv5 – Published: 2025-08-05 23:39 – Updated: 2025-11-03 18:13
VLAI?
Title
ModSecurity's Insufficient Return Value Handling can Lead to XSS and Source Code Disclosure
Summary
ModSecurity is an open source, cross platform web application firewall (WAF) engine for Apache, IIS and Nginx. In versions 2.9.11 and below, an attacker can override the HTTP response’s Content-Type, which could lead to several issues depending on the HTTP scenario. For example, we have demonstrated the potential for XSS and arbitrary script source code disclosure in the latest version of mod_security2. This issue is fixed in version 2.9.12.
Severity ?
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
CWE
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2025-55146 (GCVE-0-2025-55146)

Vulnerability from cvelistv5 – Published: 2025-09-09 15:28 – Updated: 2025-09-09 17:32
VLAI?
Summary
An unchecked return value in Ivanti Connect Secure before 22.7R2.9 or 22.8R2, Ivanti Policy Secure before 22.7R1.6, Ivanti ZTA Gateway before 2.8R2.3-723 and Ivanti Neurons for Secure Access before 22.8R1.4 (Fix deployed on 02-Aug-2025) allows a remote authenticated attacker with admin privileges to trigger a denial of service.
Severity ?
4.9 (Medium)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
CWE
Assigner
References
Impacted products
Show details on NVD website
To clipboard 

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CVE-2025-58903 (GCVE-0-2025-58903)

Vulnerability from cvelistv5 – Published: 2025-10-14 15:22 – Updated: 2026-01-14 09:17
VLAI?
Summary
An Unchecked Return Value vulnerability [CWE-252] in Fortinet FortiOS version 7.6.0 through 7.6.3 and before 7.4.8 API allows an authenticated user to cause a Null Pointer Dereference, crashing the http daemon via a specialy crafted request.
Severity ?
2.5 (Low)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
CWE
Assigner
References
Impacted products
Vendor Product Version
Fortinet FortiOS Affected: 7.6.0 , ≤ 7.6.3 (semver)
Affected: 7.4.0 , ≤ 7.4.8 (semver)
Affected: 7.2.0 , ≤ 7.2.12 (semver)
Affected: 7.0.0 , ≤ 7.0.18 (semver)
Affected: 6.4.0 , ≤ 6.4.16 (semver)
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 Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-61935 (GCVE-0-2025-61935)

Vulnerability from cvelistv5 – Published: 2025-10-15 15:19 – Updated: 2026-02-26 16:57
VLAI?
Title
BIG-IP Advanced WAF and ASM vulnerability
Summary
When a BIG IP Advanced WAF or ASM security policy is configured on a virtual server, undisclosed requests can cause the bd process to terminate.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
8.7 (High)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CWE
Assigner
f5
References
Impacted products
Vendor Product Version
F5 BIG-IP Affected: 17.5.0 , < 17.5.1 (custom)
Affected: 17.1.0 , < 17.1.3 (custom)
Unaffected: 16.1.0 , < * (custom)
Affected: 15.1.0 , < 15.1.10.8 (custom)
Create a notification for this product.
Date Public ?
2025-10-15 14:00
Credits
F5
Show details on NVD website
To clipboard 

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CVE-2025-62785 (GCVE-0-2025-62785)

Vulnerability from cvelistv5 – Published: 2025-10-29 15:37 – Updated: 2025-10-29 16:10
VLAI?
Title
Wazuh fillData NULL pointer dereference causes analysisd crash
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. fillData() implementation does not check whether value is NULL or not before calling os_strdup() on it. A compromised agent can cause a crash of analysisd by sending a specially crafted message to the wazuh manager. An attacker who is able to craft and send an agent message to the wazuh manager can cause analysisd to crash and make it unavailable. This vulnerability is fixed in 4.10.2.
Severity ?
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
CWE
Assigner
References
Impacted products
Vendor Product Version
wazuh wazuh Affected: < 4.10.2
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-62789 (GCVE-0-2025-62789)

Vulnerability from cvelistv5 – Published: 2025-10-29 16:44 – Updated: 2025-10-29 19:09
VLAI?
Title
Wazuh vulnerable to NULL pointer dereference in fim_alert line 712
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. Prior to 4.11.0, fim_alert() implementation does not check whether the return value of ctime_r is NULL or not before calling strdup() on it. A compromised agent can cause a crash of analysisd by sending a specially crafted message to the wazuh manager. An attacker who is able to craft and send an agent message to the wazuh manager can cause analysisd to crash and make it unavailable. This vulnerability is fixed in 4.11.0.
Severity ?
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
CWE
Assigner
References
Impacted products
Vendor Product Version
wazuh wazuh Affected: < 4.11.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-62790 (GCVE-0-2025-62790)

Vulnerability from cvelistv5 – Published: 2025-10-29 16:46 – Updated: 2025-10-29 19:08
VLAI?
Title
Wazuh vulnerable to NULL pointer dereference in fim_fetch_attributes_state
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. Prior to 4.11.0, fim_fetch_attributes_state() implementation does not check whether time_string is NULL or not before calling strlen() on it. A compromised agent can cause a crash of analysisd by sending a specially crafted message to the wazuh manager. An attacker who is able to craft and send an agent message to the wazuh manager can cause analysisd to crash and make it unavailable. This vulnerability is fixed in 4.11.0.
Severity ?
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
CWE
Assigner
References
Impacted products
Vendor Product Version
wazuh wazuh Affected: < 4.11.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-62791 (GCVE-0-2025-62791)

Vulnerability from cvelistv5 – Published: 2025-10-29 16:48 – Updated: 2025-10-29 19:03
VLAI?
Title
Wazuh vulnerable to NULL pointer dereference in DecodeCiscat
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. Prior to 4.11.0, DecodeCiscat() implementation does not check the return the value of cJSON_GetObjectItem() for a possible NULL value in case of an error. A compromised agent can cause a crash of analysisd by sending a specially crafted message to the wazuh manager. An attacker who is able to craft and send an agent message to the wazuh manager can cause analysisd to crash and make it unavailable. This vulnerability is fixed in 4.11.0.
Severity ?
6.9 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
CWE
Assigner
References
Impacted products
Vendor Product Version
wazuh wazuh Affected: < 4.11.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-64169 (GCVE-0-2025-64169)

Vulnerability from cvelistv5 – Published: 2025-11-21 18:39 – Updated: 2025-11-21 19:05
VLAI?
Title
Wazuh NULL pointer dereference in fim_alert line 666
Summary
Wazuh is a free and open source platform used for threat prevention, detection, and response. From version 3.7.0 to before 4.12.0, fim_alert() implementation does not check whether oldsum->md5 is NULL or not before dereferencing it. A compromised agent can cause a crash of analysisd by sending a specially crafted message to the wazuh manager. This issue has been patched in version 4.12.0.
Severity ?
5.1 (Medium)
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
CWE
Assigner
References
Impacted products
Vendor Product Version
wazuh wazuh Affected: >= 3.7.0, < 4.12.0
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2025-66565 (GCVE-0-2025-66565)

Vulnerability from cvelistv5 – Published: 2025-12-09 01:47 – Updated: 2025-12-09 16:03
VLAI?
Title
Fiber Utils UUIDv4 and UUID Silent Fallback to Predictable Values
Summary
Fiber Utils is a collection of common functions created for Fiber. In versions 2.0.0-rc.3 and below, when the system's cryptographic random number generator (crypto/rand) fails, both functions silently fall back to returning predictable UUID values, including the zero UUID "00000000-0000-0000-0000-000000000000". The vulnerability occurs through two related but distinct failure paths, both ultimately caused by crypto/rand.Read() failures, compromising the security of all Fiber applications using these functions for security-critical operations. This issue is fixed in version 2.0.0-rc.4.
Severity ?
9.3 (Critical)
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
CWE
  • CWE-252 - Unchecked Return Value
  • CWE-331 - Insufficient Entropy
  • CWE-338 - Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
Assigner
References
Impacted products
Vendor Product Version
gofiber utils Affected: github.com/gofiber/utils <= 1.2.0
Affected: github.com/gofiber/utils/v2 < 2.0.0-rc.4
Create a notification for this product.
Show details on NVD website
To clipboard 

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Mitigation ID: MIT-53

Phase: Implementation

Description:

  • Check the results of all functions that return a value and verify that the value is expected.
Mitigation ID: MIT-56

Phase: Implementation

Description:

  • For any pointers that could have been modified or provided from a function that can return NULL, check the pointer for NULL before use. When working with a multithreaded or otherwise asynchronous environment, ensure that proper locking APIs are used to lock before the check, and unlock when it has finished [REF-1484].
Mitigation

Phase: Implementation

Description:

  • Ensure that you account for all possible return values from the function.
Mitigation

Phase: Implementation

Description:

  • When designing a function, make sure you return a value or throw an exception in case of an error.

No CAPEC attack patterns related to this CWE.

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