Common Weakness Enumeration
CWE-334
AllowedSmall Space of Random Values
Abstraction: Base · Status: Draft
The number of possible random values is smaller than needed by the product, making it more susceptible to brute force attacks.
25 vulnerabilities reference this CWE, most recent first.
CVE-2022-22517 (GCVE-0-2022-22517)
Vulnerability from cvelistv5 – Published: 2022-04-07 18:21 – Updated: 2024-09-16 22:16
VLAI
EPSS
VEX
Title
Communication Components in multiple CODESYS products vulnerable to communication channel disruption
Summary
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)
CWE
- CWE-334 - Small Space of Random Values
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://customers.codesys.com/index.php?eID=dumpF… | x_refsource_MISC |
Impacted products
23 products
| Vendor | Product | Version | |
|---|---|---|---|
| CODESYS | CODESYS Control RTE (SL) |
Affected:
V3.5.18.0 , < V3.5.18.0
(custom)
|
|
| CODESYS | CODESYS Control RTE (for Beckhoff CX) SL |
Affected:
V3.5.18.0 , < V3.5.18.0
(custom)
|
|
| CODESYS | CODESYS Control Win (SL) |
Affected:
V3.5.18.0 , < V3.5.18.0
(custom)
|
|
| CODESYS | CODESYS Gateway |
Affected:
V3.5.18.0 , < V3.5.18.0
(custom)
|
|
| CODESYS | CODESYS Edge Gateway for Windows |
Affected:
V3.5.18.0 , < V3.5.18.0
(custom)
|
|
| CODESYS | CODESYS HMI (SL) |
Affected:
V3.5.18.0 , < V3.5.18.0
(custom)
|
|
| CODESYS | CODESYS Development System V3 |
Affected:
V3.5.18.0 , < V3.5.18.0
(custom)
|
|
| CODESYS | CODESYS Control Runtime System Toolkit |
Affected:
V3.5.18.0 , < V3.5.18.0
(custom)
|
|
| CODESYS | CODESYS Embedded Target Visu Toolkit |
Affected:
V3.5.18.0 , < V3.5.18.0
(custom)
|
|
| CODESYS | CODESYS Remote Target Visu Toolkit |
Affected:
V3.5.18.0 , < V3.5.18.0
(custom)
|
|
| CODESYS | CODESYS Control for BeagleBone SL |
Affected:
V4.5.0.0 , < V4.5.0.0
(custom)
|
|
| CODESYS | CODESYS Control for Beckhoff CX9020 SL |
Affected:
V4.5.0.0 , < V4.5.0.0
(custom)
|
|
| CODESYS | CODESYS Control for emPC-A/iMX6 SL |
Affected:
V4.5.0.0 , < V4.5.0.0
(custom)
|
|
| CODESYS | CODESYS Control for IOT2000 SL |
Affected:
V4.5.0.0 , < V4.5.0.0
(custom)
|
|
| CODESYS | CODESYS Control for Linux SL |
Affected:
V4.5.0.0 , < V4.5.0.0
(custom)
|
|
| CODESYS | CODESYS Control for PFC100 SL |
Affected:
V4.5.0.0 , < V4.5.0.0
(custom)
|
|
| CODESYS | CODESYS Control for PFC200 SL |
Affected:
V4.5.0.0 , < V4.5.0.0
(custom)
|
|
| CODESYS | CODESYS Control for PLCnext SL |
Affected:
V4.5.0.0 , < V4.5.0.0
(custom)
|
|
| CODESYS | CODESYS Control for Raspberry Pi SL |
Affected:
V4.5.0.0 , < V4.5.0.0
(custom)
|
|
| CODESYS | CODESYS Control for WAGO Touch Panels 600 SL |
Affected:
V4.5.0.0 , < V4.5.0.0
(custom)
|
|
| CODESYS | CODESYS Edge Gateway for Linux |
Affected:
V4.5.0.0 , < V4.5.0.0
(custom)
|
|
| CODESYS | CODESYS OPC DA Server SL |
Affected:
V3.5.18.0 , < V3.5.18.0
(custom)
|
|
| CODESYS | CODESYS PLCHandler |
Affected:
V3.5.18.0 , < V3.5.18.0
(custom)
|
Date Public
2022-04-06 00:00
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},
{
"product": "CODESYS Control for IOT2000 SL",
"vendor": "CODESYS",
"versions": [
{
"lessThan": "V4.5.0.0",
"status": "affected",
"version": "V4.5.0.0",
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},
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"product": "CODESYS Control for Linux SL",
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CVE-2022-20941 (GCVE-0-2022-20941)
Vulnerability from cvelistv5 – Published: 2022-11-10 17:37 – Updated: 2024-08-03 02:31
VLAI
EPSS
VEX
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)
CWE
- CWE-334 - Small Space of Random Values
Assigner
References
1 reference
Impacted products
1 product
| 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 |
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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
EPSS
VEX
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)
CWE
- CWE-334 - Small Space of Random Values
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://talosintelligence.com/vulnerability_repor… | x_refsource_MISC |
Impacted products
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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
EPSS
VEX
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)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-29 18:26 UTC
CWE
- CWE-334 - Small Space of Random ValuesÊ
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.se.com/ww/en/download/document/SEVD-2… | x_refsource_MISC |
| https://us-cert.cisa.gov/ics/advisories/icsa-20-343-04 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Modicon M221, all references, all versions |
Affected:
Modicon M221, all references, all versions
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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)
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}
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)
{
"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)
{
"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)
{
"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
{
"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)
{
"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"
}
]
}
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.