Common Weakness Enumeration

CWE-334

Allowed

Small Space of Random Values

Abstraction: Base · Status: Draft

API response cwe.mitre.org

The number of possible random values is smaller than needed by the product, making it more susceptible to brute force attacks.

23 vulnerabilities reference this CWE, most recent first.

CVE-2022-20941 (GCVE-0-2022-20941)

Vulnerability from cvelistv5 – Published: 2022-11-10 17:37 – Updated: 2024-08-03 02:31
VLAI
Summary
A vulnerability in the web-based management interface of Cisco Firepower Management Center (FMC) Software could allow an unauthenticated, remote attacker to access sensitive information. This vulnerability is due to missing authorization for certain resources in the web-based management interface together with insufficient entropy in these resource names. An attacker could exploit this vulnerability by sending a series of HTTPS requests to an affected device to enumerate resources on the device. A successful exploit could allow the attacker to retrieve sensitive information from the device.
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CWE
  • CWE-334 - Small Space of Random Values
Assigner
References
Impacted products
Vendor Product Version
Cisco Cisco Firepower Management Center Affected: 6.2.3
Affected: 6.2.3.1
Affected: 6.2.3.2
Affected: 6.2.3.3
Affected: 6.2.3.4
Affected: 6.2.3.5
Affected: 6.2.3.6
Affected: 6.2.3.7
Affected: 6.2.3.9
Affected: 6.2.3.10
Affected: 6.2.3.11
Affected: 6.2.3.12
Affected: 6.2.3.13
Affected: 6.2.3.14
Affected: 6.2.3.15
Affected: 6.2.3.8
Affected: 6.2.3.16
Affected: 6.2.3.17
Affected: 6.2.3.18
Affected: 6.4.0
Affected: 6.4.0.1
Affected: 6.4.0.3
Affected: 6.4.0.2
Affected: 6.4.0.4
Affected: 6.4.0.5
Affected: 6.4.0.6
Affected: 6.4.0.7
Affected: 6.4.0.8
Affected: 6.4.0.9
Affected: 6.4.0.10
Affected: 6.4.0.11
Affected: 6.4.0.12
Affected: 6.4.0.13
Affected: 6.4.0.14
Affected: 6.4.0.15
Affected: 6.4.0.16
Affected: 6.4.0.17
Affected: 6.6.0
Affected: 6.6.0.1
Affected: 6.6.1
Affected: 6.6.3
Affected: 6.6.4
Affected: 6.6.5
Affected: 6.6.5.1
Affected: 6.6.5.2
Affected: 6.6.7
Affected: 6.6.7.1
Affected: 6.7.0
Affected: 6.7.0.1
Affected: 6.7.0.2
Affected: 6.7.0.3
Affected: 7.0.0
Affected: 7.0.0.1
Affected: 7.0.1
Affected: 7.0.1.1
Affected: 7.0.2
Affected: 7.0.2.1
Affected: 7.0.3
Affected: 7.0.4
Affected: 7.1.0
Affected: 7.1.0.1
Affected: 7.1.0.2
Create a notification for this product.
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CVE-2021-21955 (GCVE-0-2021-21955)

Vulnerability from cvelistv5 – Published: 2021-12-09 15:32 – Updated: 2024-08-03 18:30
VLAI
Summary
An authentication bypass vulnerability exists in the get_aes_key_info_by_packetid() function of the home_security binary of Anker Eufy Homebase 2 2.1.6.9h. Generic network sniffing can lead to password recovery. An attacker can sniff network traffic to trigger this vulnerability.
Severity
7.7 (High)
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:H
CWE
  • CWE-334 - Small Space of Random Values
Assigner
References
Impacted products
Vendor Product Version
n/a Anker Affected: Anker Eufy Homebase 2 2.1.6.9h
Show details on NVD website
To clipboard 

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CVE-2020-7566 (GCVE-0-2020-7566)

Vulnerability from cvelistv5 – Published: 2020-11-19 21:10 – Updated: 2026-05-29 18:27
VLAI
Summary
A CWE-334: Small Space of Random Values vulnerability exists in Modicon M221 (all references, all versions) that could allow the attacker to break the encryption keys when the attacker has captured the traffic between EcoStruxure Machine - Basic software and Modicon M221 controller.
Severity
7.1 (High)
CVSS:3.1/AV:A/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-334 - Small Space of Random ValuesÊ
Assigner
References
Impacted products
Vendor Product Version
n/a Modicon M221, all references, all versions Affected: Modicon M221, all references, all versions
Show details on NVD website
To clipboard 

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        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A CWE-334: Small Space of Random Values vulnerability exists in Modicon M221 (all references, all versions) that could allow the attacker to break the encryption keys when the attacker has captured the traffic between EcoStruxure Machine - Basic software and Modicon M221 controller."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-334: Small Space of Random Values\u00ca"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.se.com/ww/en/download/document/SEVD-2020-315-05/",
              "refsource": "MISC",
              "url": "https://www.se.com/ww/en/download/document/SEVD-2020-315-05/"
            },
            {
              "name": "https://us-cert.cisa.gov/ics/advisories/icsa-20-343-04",
              "refsource": "MISC",
              "url": "https://us-cert.cisa.gov/ics/advisories/icsa-20-343-04"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "076d1eb6-cfab-4401-b34d-6dfc2a413bdb",
    "assignerShortName": "schneider",
    "cveId": "CVE-2020-7566",
    "datePublished": "2020-11-19T21:10:22.000Z",
    "dateReserved": "2020-01-21T00:00:00.000Z",
    "dateUpdated": "2026-05-29T18:27:20.594Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

GHSA-2HCC-WW5C-44WH

Vulnerability from github – Published: 2023-10-19 12:30 – Updated: 2024-04-04 08:47
VLAI
Details

The TETRA TEA1 keystream generator implements a key register initialization function that compresses the 80-bit key to only 32 bits for usage during the keystream generation phase, which is insufficient to safeguard against exhaustive search attacks.

Severity
8.8 (High)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Show details on source website
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{
  "affected": [],
  "aliases": [
    "CVE-2022-24402"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-307",
      "CWE-334"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2023-10-19T10:15:09Z",
    "severity": "HIGH"
  },
  "details": "The TETRA TEA1 keystream generator implements a key register initialization function that compresses the 80-bit key to only 32 bits for usage during the keystream generation phase, which is insufficient to safeguard against exhaustive search attacks.",
  "id": "GHSA-2hcc-ww5c-44wh",
  "modified": "2024-04-04T08:47:20Z",
  "published": "2023-10-19T12:30:23Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-24402"
    },
    {
      "type": "WEB",
      "url": "https://tetraburst.com"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-64QF-4R7V-W6J5

Vulnerability from github – Published: 2022-11-16 12:00 – Updated: 2022-11-21 15:30
VLAI
Details

A vulnerability in the web-based management interface of Cisco Firepower Management Center (FMC) Software could allow an unauthenticated, remote attacker to access sensitive information. This vulnerability is due to missing authorization for certain resources in the web-based management interface together with insufficient entropy in these resource names. An attacker could exploit this vulnerability by sending a series of HTTPS requests to an affected device to enumerate resources on the device. A successful exploit could allow the attacker to retrieve sensitive information from the device.

Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Show details on source website
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{
  "affected": [],
  "aliases": [
    "CVE-2022-20941"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-330",
      "CWE-331",
      "CWE-334"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-11-15T21:15:00Z",
    "severity": "MODERATE"
  },
  "details": "A vulnerability in the web-based management interface of Cisco Firepower Management Center (FMC) Software could allow an unauthenticated, remote attacker to access sensitive information. This vulnerability is due to missing authorization for certain resources in the web-based management interface together with insufficient entropy in these resource names. An attacker could exploit this vulnerability by sending a series of HTTPS requests to an affected device to enumerate resources on the device. A successful exploit could allow the attacker to retrieve sensitive information from the device.",
  "id": "GHSA-64qf-4r7v-w6j5",
  "modified": "2022-11-21T15:30:21Z",
  "published": "2022-11-16T12:00:21Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-20941"
    },
    {
      "type": "WEB",
      "url": "https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-info-disc-UghNRRhP"
    },
    {
      "type": "WEB",
      "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-fmc-info-disc-UghNRRhP"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-6W4F-6FR3-4C72

Vulnerability from github – Published: 2023-06-12 21:30 – Updated: 2024-04-04 04:44
VLAI
Details

Atlas Copco Power Focus 6000 web server uses a small amount of session ID numbers. An attacker could enter a session ID number to retrieve data for an active user’s session.

Severity
9.4 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H
Show details on source website
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{
  "affected": [],
  "aliases": [
    "CVE-2023-1898"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-330",
      "CWE-334"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2023-06-12T20:15:11Z",
    "severity": "HIGH"
  },
  "details": "Atlas Copco Power Focus 6000 web server uses a small amount of session ID numbers. An attacker could enter a session ID number to retrieve data for an active user\u2019s session.",
  "id": "GHSA-6w4f-6fr3-4c72",
  "modified": "2024-04-04T04:44:17Z",
  "published": "2023-06-12T21:30:37Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-1898"
    },
    {
      "type": "WEB",
      "url": "https://www.cisa.gov/news-events/ics-advisories/icsa-23-159-01"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-95JH-V98H-7GWW

Vulnerability from github – Published: 2022-04-08 00:00 – Updated: 2022-04-19 00:01
VLAI
Details

An unauthenticated, remote attacker can disrupt existing communication channels between CODESYS products by guessing a valid channel ID and injecting packets. This results in the communication channel to be closed.

Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Show details on source website
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{
  "affected": [],
  "aliases": [
    "CVE-2022-22517"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-330",
      "CWE-334"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-04-07T19:15:00Z",
    "severity": "HIGH"
  },
  "details": "An unauthenticated, remote attacker can disrupt existing communication channels between CODESYS products by guessing a valid channel ID and injecting packets. This results in the communication channel to be closed.",
  "id": "GHSA-95jh-v98h-7gww",
  "modified": "2022-04-19T00:01:33Z",
  "published": "2022-04-08T00:00:21Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-22517"
    },
    {
      "type": "WEB",
      "url": "https://customers.codesys.com/index.php?eID=dumpFile\u0026t=f\u0026f=17091\u0026token=c450f8bbbd838c647d102f359356386c6ea5aeca\u0026download="
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-F29P-FVXC-743Q

Vulnerability from github – Published: 2025-05-23 12:31 – Updated: 2025-05-23 12:31
VLAI
Details

Token used for resetting passwords in MegaBIP software are generated using a small space of random values combined with a queryable value. It allows an unauthenticated attacker who know user login names to brute force these tokens and change account passwords (including these belonging to administrators).  Version 5.20 of MegaBIP fixes this issue.

Severity
9.1 (Critical)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
Show details on source website
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{
  "affected": [],
  "aliases": [
    "CVE-2025-3895"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-334"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-05-23T11:15:32Z",
    "severity": "CRITICAL"
  },
  "details": "Token used for resetting passwords in MegaBIP software\u00a0are generated using a small space of random values combined with a queryable value.\n It allows an unauthenticated attacker who know user login names to brute force these tokens and change account passwords (including these belonging to administrators).\u00a0\nVersion 5.20 of MegaBIP fixes this issue.",
  "id": "GHSA-f29p-fvxc-743q",
  "modified": "2025-05-23T12:31:21Z",
  "published": "2025-05-23T12:31:21Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-3895"
    },
    {
      "type": "WEB",
      "url": "https://cert.pl/en/posts/2025/05/CVE-2025-3893"
    },
    {
      "type": "WEB",
      "url": "https://megabip.pl/index.php?id=24,145"
    },
    {
      "type": "WEB",
      "url": "https://www.gov.pl/web/cyfryzacja/rekomendacja-pelnomocnika-rzadu-ds-cyberbezpieczenstwa-dotyczaca-biuletynow-informacji-publicznej"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

GHSA-F74C-6MFP-RG2Q

Vulnerability from github – Published: 2024-04-02 12:30 – Updated: 2024-09-30 12:30
VLAI
Details

A Use of Weak Credentials vulnerability affecting the Wi-Fi network generated by a set of DJI drones could allow a remote attacker to derive the WPA2 PSK key and authenticate without permission to the drone’s Wi- Fi network. This, in turn, allows the attacker to perform unauthorized interaction with the network services exposed by the drone and to potentially decrypt the Wi-Fi traffic exchanged between the drone and the Android/IOS device of the legitimate user during QuickTransfer mode. Affected models are Mavic 3 Pro until v01.01.0300, Mavic 3 until v01.00.1200, Mavic 3 Classic until v01.00.0500, Mavic 3 Enterprise until v07.01.10.03, Matrice 300 until v57.00.01.00, Matrice M30 until v07.01.0022 and Mini 3 Pro until v01.00.0620.

Severity
6.6 (Medium)
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
Show details on source website
To clipboard 

{
  "affected": [],
  "aliases": [
    "CVE-2023-6951"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-1391",
      "CWE-334"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-04-02T11:15:51Z",
    "severity": "MODERATE"
  },
  "details": "A Use of Weak Credentials vulnerability affecting the Wi-Fi network generated by a set of DJI drones could allow a remote attacker to derive the WPA2 PSK key and authenticate without permission to the drone\u2019s Wi- Fi network. This, in turn, allows the attacker to perform unauthorized interaction with the network services exposed by the drone and to potentially decrypt the Wi-Fi traffic exchanged between the drone and the Android/IOS device of the legitimate user during QuickTransfer mode. Affected models are Mavic 3 Pro until v01.01.0300, Mavic 3 until v01.00.1200, Mavic 3 Classic until v01.00.0500, Mavic 3 Enterprise until v07.01.10.03, Matrice 300 until v57.00.01.00, Matrice M30 until v07.01.0022 and Mini 3 Pro until v01.00.0620.",
  "id": "GHSA-f74c-6mfp-rg2q",
  "modified": "2024-09-30T12:30:33Z",
  "published": "2024-04-02T12:30:32Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-6951"
    },
    {
      "type": "WEB",
      "url": "https://www.nozominetworks.com/labs/vulnerability-advisories-cve-2023-6951"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

GHSA-J9H7-V335-8GCP

Vulnerability from github – Published: 2022-05-24 17:34 – Updated: 2026-05-29 21:31
VLAI
Details

A CWE-334: Small Space of Random Values vulnerability exists in Modicon M221 (all references, all versions) that could allow the attacker to break the encryption keys when the attacker has captured the traffic between EcoStruxure Machine - Basic software and Modicon M221 controller.

Severity
7.3 (High)
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Show details on source website
To clipboard 

{
  "affected": [],
  "aliases": [
    "CVE-2020-7566"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-334"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2020-11-19T22:15:00Z",
    "severity": "HIGH"
  },
  "details": "A CWE-334: Small Space of Random Values vulnerability exists in Modicon M221 (all references, all versions) that could allow the attacker to break the encryption keys when the attacker has captured the traffic between EcoStruxure Machine - Basic software and Modicon M221 controller.",
  "id": "GHSA-j9h7-v335-8gcp",
  "modified": "2026-05-29T21:31:15Z",
  "published": "2022-05-24T17:34:44Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-7566"
    },
    {
      "type": "WEB",
      "url": "https://us-cert.cisa.gov/ics/advisories/icsa-20-343-04"
    },
    {
      "type": "WEB",
      "url": "https://www.se.com/ww/en/download/document/SEVD-2020-315-05"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ]
}
Mitigation MIT-2
Architecture and Design Requirements

Strategy: Libraries or Frameworks

Use products or modules that conform to FIPS 140-2 [REF-267] to avoid obvious entropy problems. Consult FIPS 140-2 Annex C ("Approved Random Number Generators").

No CAPEC attack patterns related to this CWE.

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