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Common Weakness Enumeration

CWE-252

Allowed

Unchecked Return Value

Abstraction: Base · Status: Draft

API response cwe.mitre.org

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

251 vulnerabilities reference this CWE, most recent first.

CVE-2023-40067 (GCVE-0-2023-40067)

Vulnerability from cvelistv5 – Published: 2024-08-14 13:45 – Updated: 2025-11-03 21:49
VLAI
Summary
Unchecked return value in firmware for some Intel(R) CSME may allow an unauthenticated user to potentially enable escalation of privilege via physical access.
Severity
5.7 (Medium)
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-08-14 17:46 UTC
CWE
  • escalation of privilege
  • CWE-252 - Unchecked return value
Assigner
References
Impacted products
Vendor Product Version
n/a Intel(R) CSME Affected: See references
intel converged_security_management_engine_firmware Affected: 0 , < 15.0.49 (custom)
Affected: 0 , < 15.40.34 (custom)
Affected: 0 , < 16.1.32 (custom)
    cpe:2.3:o:intel:converged_security_management_engine_firmware:-:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2023-37902 (GCVE-0-2023-37902)

Vulnerability from cvelistv5 – Published: 2023-07-25 20:05 – Updated: 2024-10-03 18:59
VLAI
Title
Vyper's ecrecover can return undefined data if signature does not verify
Summary
Vyper is a Pythonic programming language that targets the Ethereum Virtual Machine (EVM). Prior to version 0.3.10, the ecrecover precompile does not fill the output buffer if the signature does not verify. However, the ecrecover builtin will still return whatever is at memory location 0. This means that the if the compiler has been convinced to write to the 0 memory location with specially crafted data (generally, this can happen with a hashmap access or immutable read) just before the ecrecover, a signature check might pass on an invalid signature. Version 0.3.10 contains a patch for this issue.
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-03 18:58 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
vyperlang vyper Affected: < 0.3.10
Create a notification for this product.
vyperlang vyper Affected: 0 , < 0.3.10 (custom)
    cpe:2.3:a:vyperlang:vyper:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2023-29243 (GCVE-0-2023-29243)

Vulnerability from cvelistv5 – Published: 2023-08-11 02:37 – Updated: 2024-10-04 13:04
VLAI
Summary
Unchecked return value in some Intel(R) RealSense(TM) ID software for Intel(R) RealSense(TM) 450 FA in version 0.25.0 may allow a priviledged user to potentially enable denial of service via local access.
Severity
4.4 (Medium)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-04 13:03 UTC
CWE
  • denial of service
  • CWE-252 - Unchecked return value
Assigner
References
Impacted products
Vendor Product Version
n/a Intel(R) RealSense(TM) ID software for Intel(R) RealSense(TM) 450 FA Affected: version 0.25.0
Show details on NVD website
To clipboard 

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CVE-2023-26591 (GCVE-0-2023-26591)

Vulnerability from cvelistv5 – Published: 2024-02-14 13:37 – Updated: 2024-08-07 18:33
VLAI
Summary
Unchecked return value in some Intel(R) Thunderbolt(TM) DCH drivers for Windows before version 88 may allow an unauthenticated user to potentially enable denial of service via physical access.
Severity
2 (Low)
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-08-07 18:19 UTC
CWE
  • denial of service
  • CWE-252 - Unchecked return value
Assigner
References
Impacted products
Vendor Product Version
n/a Intel(R) Thunderbolt(TM) DCH drivers for Windows Affected: before version 88
Show details on NVD website
To clipboard 

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CVE-2023-24825 (GCVE-0-2023-24825)

Vulnerability from cvelistv5 – Published: 2023-05-30 15:54 – Updated: 2025-01-10 16:55
VLAI
Title
RIOT-OS vulnerable to NULL pointer dereference in gnrc_pktbuf_mark
Summary
RIOT-OS, an operating system for Internet of Things (IoT) devices, contains a network stack with the ability to process 6LoWPAN frames. Prior to version 2023.04, an attacker can send a crafted frame to the device to trigger a NULL pointer dereference leading to denial of service. This issue is fixed in version 2023.04. There are no known workarounds.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: poc Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-01-10 16:55 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
RIOT-OS RIOT Affected: < 2023.04
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2023-6918 (GCVE-0-2023-6918)

Vulnerability from cvelistv5 – Published: 2023-12-18 23:27 – Updated: 2025-11-21 06:23
VLAI
Title
Libssh: missing checks for return values for digests
Summary
A flaw was found in the libssh implements abstract layer for message digest (MD) operations implemented by different supported crypto backends. The return values from these were not properly checked, which could cause low-memory situations failures, NULL dereferences, crashes, or usage of the uninitialized memory as an input for the KDF. In this case, non-matching keys will result in decryption/integrity failures, terminating the connection.
Severity
3.7 (Low)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE
Assigner
References
Impacted products
Vendor Product Version
Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:0.9.6-14.el8 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:8::baseos
    cpe:/a:redhat:enterprise_linux:8::appstream
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:0.10.4-13.el9 , < * (rpm)
    cpe:/o:redhat:enterprise_linux:9::baseos
    cpe:/a:redhat:enterprise_linux:9::appstream
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
Create a notification for this product.
Red Hat Red Hat Enterprise Linux 7     cpe:/o:redhat:enterprise_linux:7
Create a notification for this product.
Date Public
2023-12-18 00:00
Credits
Red Hat would like to thank Jack Weinstein (<mike.code.bb.h@gmail.com>) for reporting this issue.
Show details on NVD website
To clipboard 

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CVE-2023-4162 (GCVE-0-2023-4162)

Vulnerability from cvelistv5 – Published: 2023-08-31 00:14 – Updated: 2024-09-30 15:47
VLAI
Title
Segmentation fault in Brocade Fabric OS after Brocade Fabric OS v9.0
Summary
A segmentation fault can occur in Brocade Fabric OS after Brocade Fabric OS v9.0 and before Brocade Fabric OS v9.2.0a through the passwdcfg command. This could allow an authenticated privileged user local user to crash a Brocade Fabric OS swith using the cli “passwdcfg --set -expire -minDiff“.
Severity
4.4 (Medium)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-30 15:44 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
Brocade Fabric OS Affected: Brocade Fabric OS after Brocade Fabric OS v9.0 and before Brocade Fabric OS v9.2.0a
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2023-3247 (GCVE-0-2023-3247)

Vulnerability from cvelistv5 – Published: 2023-07-22 04:17 – Updated: 2024-10-15 20:34
VLAI
Title
Missing error check and insufficient random bytes in HTTP Digest authentication for SOAP
Summary
In PHP versions 8.0.* before 8.0.29, 8.1.* before 8.1.20, 8.2.* before 8.2.7 when using SOAP HTTP Digest Authentication, random value generator was not checked for failure, and was using narrower range of values than it should have. In case of random generator failure, it could lead to a disclosure of 31 bits of uninitialized memory from the client to the server, and it also made easier to a malicious server to guess the client's nonce.
Severity
2.6 (Low)
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-15 19:41 UTC
CWE
  • CWE-252 - Unchecked Return Value
  • CWE-330 - Use of Insufficiently Random Values
Assigner
References
Impacted products
Vendor Product Version
PHP Group PHP Affected: 8.0.* , < 8.0.29 (semver)
Affected: 8.1.* , < 8.1.20 (semver)
Affected: 8.2.* , < 8.2.7 (semver)
Create a notification for this product.
Credits
Niels Dossche Tim Düsterhus
Show details on NVD website
To clipboard 

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CVE-2023-3013 (GCVE-0-2023-3013)

Vulnerability from cvelistv5 – Published: 2023-05-31 00:00 – Updated: 2025-01-09 19:42
VLAI
Title
Unchecked Return Value in gpac/gpac
Summary
Unchecked Return Value in GitHub repository gpac/gpac prior to 2.2.2.
Severity
4.4 (Medium)
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-01-09 19:42 UTC
CWE
Assigner
References
Impacted products
Vendor Product Version
gpac gpac/gpac Affected: unspecified , < 2.2.2 (custom)
Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2022-43765 (GCVE-0-2022-43765)

Vulnerability from cvelistv5 – Published: 2023-02-08 10:17 – Updated: 2025-03-25 13:58
VLAI
Title
DoS in APROLs Tbase server
Summary
B&R APROL versions < R 4.2-07 doesn’t process correctly specially formatted data packages sent to port 55502/tcp, which may allow a network based attacker to cause an application Denial-of-Service.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-03-25 13:57 UTC
CWE
Assigner
References
Impacted products
Date Public
2023-01-30 06:30
Show details on NVD website
To clipboard 

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        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-252",
              "description": "CWE-252: Unchecked Return Value",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-02-08T10:17:07.894Z",
        "orgId": "2b718523-d88f-4f37-9bbd-300c20644bf9",
        "shortName": "ABB"
      },
      "references": [
        {
          "url": "https://www.br-automation.com/downloads_br_productcatalogue/assets/1674823095245-en-original-1.0.pdf"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "DoS in APROLs Tbase server",
      "x_generator": {
        "engine": "Vulnogram 0.1.0-dev"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "2b718523-d88f-4f37-9bbd-300c20644bf9",
    "assignerShortName": "ABB",
    "cveId": "CVE-2022-43765",
    "datePublished": "2023-02-08T10:17:07.894Z",
    "dateReserved": "2022-10-26T07:17:06.425Z",
    "dateUpdated": "2025-03-25T13:58:06.196Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}
Mitigation MIT-53
Implementation

Check the results of all functions that return a value and verify that the value is expected.

Mitigation MIT-56
Implementation

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
Implementation

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

Mitigation
Implementation

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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