Common Weakness Enumeration
CWE-330
DiscouragedUse of Insufficiently Random Values
Abstraction: Class · Status: Stable
The product uses insufficiently random numbers or values in a security context that depends on unpredictable numbers.
468 vulnerabilities reference this CWE, most recent first.
CVE-2022-43485 (GCVE-0-2022-43485)
Vulnerability from cvelistv5 – Published: 2023-05-30 16:19 – Updated: 2025-01-09 21:27
VLAI
EPSS
VEX
Title
Insecure random number used for generating keys for signing Jwt tokens
Summary
Use of Insufficiently Random Values in Honeywell OneWireless. This vulnerability may allow attacker to manipulate claims in client's JWT token. This issue affects OneWireless version 322.1
Severity
6.2 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-01-09 21:26 UTC
CWE
- CWE-330 - Use of Insufficiently Random Values
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://process.honeywell.com/ |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Honeywell | OneWireless |
Affected:
322.1
|
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CVE-2022-42787 (GCVE-0-2022-42787)
Vulnerability from cvelistv5 – Published: 2022-11-10 11:06 – Updated: 2025-05-01 19:01
VLAI
EPSS
VEX
Title
Wiesemann & Theis: Small number space for allocating session id in Com-Server family
Summary
Multiple W&T products of the Comserver Series use a small number space for allocating sessions ids. After login of an user an unathenticated remote attacker can brute force the users session id and get access to his account on the the device. As the user needs to log in for the attack to be successful a user interaction is required.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-01 19:01 UTC
CWE
- CWE-330 - Use of Insufficiently Random Values
Assigner
References
1 reference
Impacted products
17 products
Date Public
2022-11-07 10:00
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CVE-2022-39216 (GCVE-0-2022-39216)
Vulnerability from cvelistv5 – Published: 2023-03-14 15:10 – Updated: 2025-02-25 14:57
VLAI
EPSS
VEX
Title
Combodo iTop's weak password reset token leads to account takeover
Summary
Combodo iTop is an open source, web-based IT service management platform. Prior to versions 2.7.8 and 3.0.2-1, the reset password token is generated without any randomness parameter. This may lead to account takeover. The issue is fixed in versions 2.7.8 and 3.0.2-1.
Severity
7.4 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-25 14:29 UTC
CWE
- CWE-330 - Use of Insufficiently Random Values
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/Combodo/iTop/security/advisori… | x_refsource_CONFIRM |
| https://github.com/Combodo/iTop/commit/35a8b501c9… | x_refsource_MISC |
| https://github.com/Combodo/iTop/commit/f10e9c2d64… | x_refsource_MISC |
Impacted products
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CVE-2022-37400 (GCVE-0-2022-37400)
Vulnerability from cvelistv5 – Published: 2022-08-13 06:40 – Updated: 2024-08-03 10:29
VLAI
EPSS
VEX
Title
Apache OpenOffice Static Initialization Vector Allows to Recover Passwords for Web Connections Without Knowing the Master Password
Summary
Apache OpenOffice supports the storage of passwords for web connections in the user's configuration database. The stored passwords are encrypted with a single master key provided by the user. A flaw in OpenOffice existed where the required initialization vector for encryption was always the same which weakens the security of the encryption making them vulnerable if an attacker has access to the user's configuration data. This issue affects: Apache OpenOffice versions prior to 4.1.13. Reference: CVE-2022-26306 - LibreOffice
Severity
No CVSS data available.
CWE
- CWE-330 - Use of Insufficiently Random Values
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.openoffice.org/security/cves/CVE-2022… | x_refsource_MISC |
| http://www.openwall.com/lists/oss-security/2022/08/13/1 | mailing-listx_refsource_MLIST |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache OpenOffice |
Affected:
Apache OpenOffice 4 , < 4.1.13
(custom)
|
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CVE-2022-36045 (GCVE-0-2022-36045)
Vulnerability from cvelistv5 – Published: 2022-08-31 15:10 – Updated: 2025-04-23 17:47
VLAI
EPSS
VEX
Title
Account takeover via cryptographically weak PRNG in NodeBB Forum
Summary
NodeBB Forum Software is powered by Node.js and supports either Redis, MongoDB, or a PostgreSQL database. It utilizes web sockets for instant interactions and real-time notifications. `utils.generateUUID`, a helper function available in essentially all versions of NodeBB (as far back as v1.0.1 and potentially earlier) used a cryptographically insecure Pseudo-random number generator (`Math.random()`), which meant that a specially crafted script combined with multiple invocations of the password reset functionality could enable an attacker to correctly calculate the reset code for an account they do not have access to. This vulnerability impacts all installations of NodeBB. The vulnerability allows for an attacker to take over any account without the involvement of the victim, and as such, the remediation should be applied immediately (either via NodeBB upgrade or cherry-pick of the specific changeset. The vulnerability has been patched in version 2.x and 1.19.x. There is no known workaround, but the patch sets listed above will fully patch the vulnerability.
Severity
9 (Critical)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-23 15:50 UTC
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://github.com/NodeBB/NodeBB/security/advisor… | x_refsource_CONFIRM |
| https://github.com/NodeBB/NodeBB/commit/81e3c1ba4… | x_refsource_MISC |
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CVE-2022-31034 (GCVE-0-2022-31034)
Vulnerability from cvelistv5 – Published: 2022-06-27 19:00 – Updated: 2025-04-23 18:08
VLAI
EPSS
VEX
Title
Insecure entropy in argo-cd
Summary
Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes. All versions of Argo CD starting with v0.11.0 are vulnerable to a variety of attacks when an SSO login is initiated from the Argo CD CLI or UI. The vulnerabilities are due to the use of insufficiently random values in parameters in Oauth2/OIDC login flows. In each case, using a relatively-predictable (time-based) seed in a non-cryptographically-secure pseudo-random number generator made the parameter less random than required by the relevant spec or by general best practices. In some cases, using too short a value made the entropy even less sufficient. The attacks on login flows which are meant to be mitigated by these parameters are difficult to accomplish but can have a high impact potentially granting an attacker admin access to Argo CD. Patches for this vulnerability has been released in the following Argo CD versions: v2.4.1, v2.3.5, v2.2.10 and v2.1.16. There are no known workarounds for this vulnerability.
Severity
8.3 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-23 15:52 UTC
CWE
- CWE-330 - Use of Insufficiently Random Values
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/argoproj/argo-cd/security/advi… | x_refsource_CONFIRM |
| https://github.com/argoproj/argo-cd/commit/17f7f4… | x_refsource_MISC |
Impacted products
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CVE-2022-31008 (GCVE-0-2022-31008)
Vulnerability from cvelistv5 – Published: 2022-10-06 00:00 – Updated: 2025-04-23 16:53
VLAI
EPSS
VEX
Title
Predictable credential obfuscation seed value used in rabbitmq-server
Summary
RabbitMQ is a multi-protocol messaging and streaming broker. In affected versions the shovel and federation plugins perform URI obfuscation in their worker (link) state. The encryption key used to encrypt the URI was seeded with a predictable secret. This means that in case of certain exceptions related to Shovel and Federation plugins, reasonably easily deobfuscatable data could appear in the node log. Patched versions correctly use a cluster-wide secret for that purpose. This issue has been addressed and Patched versions: `3.10.2`, `3.9.18`, `3.8.32` are available. Users unable to upgrade should disable the Shovel and Federation plugins.
Severity
5.5 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-23 13:56 UTC
CWE
- CWE-330 - Use of Insufficiently Random Values
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| rabbitmq | rabbitmq-server |
Affected:
< 3.8.32
Affected: >= 3.9.0, < 3.9.18 Affected: >= 3.10.0, < 3.10.2 |
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CVE-2022-29035 (GCVE-0-2022-29035)
Vulnerability from cvelistv5 – Published: 2022-04-11 18:12 – Updated: 2024-08-03 06:10
VLAI
EPSS
VEX
Summary
In JetBrains Ktor Native before version 2.0.0 random values used for nonce generation weren't using SecureRandom implementations
Severity
CWE
- CWE-330 - Use of Insufficiently Random Values
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.jetbrains.com/privacy-security/issues… | x_refsource_MISC |
| https://github.com/ktorio/ktor/pull/2776 | x_refsource_MISC |
Impacted products
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CVE-2022-26851 (GCVE-0-2022-26851)
Vulnerability from cvelistv5 – Published: 2022-04-08 19:50 – Updated: 2024-09-16 16:58
VLAI
EPSS
VEX
Summary
Dell PowerScale OneFS, 8.2.2-9.3.x, contains a predictable file name from observable state vulnerability. An unprivileged network attacker could potentially exploit this vulnerability, leading to data loss.
Severity
9.1 (Critical)
CWE
- CWE-330 - Use of Insufficiently Random Values
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.dell.com/support/kbdoc/en-us/00019799… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Dell | PowerScale OneFS |
Affected:
unspecified , < 8.2.x, 9.0.0.x, 9.1.0.x, 9.1.1.x (Super Tubes), 9.2.0.x (Empire), 9.2.1.x (Flying Scotsman), 9.3.0.x (Gotham),
(custom)
|
Date Public
2022-04-04 00:00
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CVE-2022-26647 (GCVE-0-2022-26647)
Vulnerability from cvelistv5 – Published: 2022-07-12 10:06 – Updated: 2025-04-21 13:52
VLAI
EPSS
VEX
Summary
A vulnerability has been identified in SCALANCE X200-4P IRT (All versions < V5.5.2), SCALANCE X201-3P IRT (All versions < V5.5.2), SCALANCE X201-3P IRT PRO (All versions < V5.5.2), SCALANCE X202-2IRT (All versions < V5.5.2), SCALANCE X202-2IRT (All versions < V5.5.2), SCALANCE X202-2P IRT (All versions < V5.5.2), SCALANCE X202-2P IRT PRO (All versions < V5.5.2), SCALANCE X204-2 (All versions < V5.2.6), SCALANCE X204-2FM (All versions < V5.2.6), SCALANCE X204-2LD (All versions < V5.2.6), SCALANCE X204-2LD TS (All versions < V5.2.6), SCALANCE X204-2TS (All versions < V5.2.6), SCALANCE X204IRT (All versions < V5.5.2), SCALANCE X204IRT (All versions < V5.5.2), SCALANCE X204IRT PRO (All versions < V5.5.2), SCALANCE X206-1 (All versions < V5.2.6), SCALANCE X206-1LD (All versions < V5.2.6), SCALANCE X208 (All versions < V5.2.6), SCALANCE X208PRO (All versions < V5.2.6), SCALANCE X212-2 (All versions < V5.2.6), SCALANCE X212-2LD (All versions < V5.2.6), SCALANCE X216 (All versions < V5.2.6), SCALANCE X224 (All versions < V5.2.6), SCALANCE XF201-3P IRT (All versions < V5.5.2), SCALANCE XF202-2P IRT (All versions < V5.5.2), SCALANCE XF204 (All versions < V5.2.6), SCALANCE XF204-2 (All versions < V5.2.6), SCALANCE XF204-2BA IRT (All versions < V5.5.2), SCALANCE XF204IRT (All versions < V5.5.2), SCALANCE XF206-1 (All versions < V5.2.6), SCALANCE XF208 (All versions < V5.2.6). The webserver of affected devices calculates session ids and nonces in an insecure manner. This could allow an unauthenticated remote attacker to brute-force session ids and hijack existing sessions.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-18 15:23 UTC
CWE
- CWE-330 - Use of Insufficiently Random Values
Assigner
References
1 reference
Impacted products
29 products
| Vendor | Product | Version | |
|---|---|---|---|
| Siemens | SCALANCE X200-4P IRT |
Affected:
All versions < V5.5.2
|
|
| Siemens | SCALANCE X201-3P IRT |
Affected:
All versions < V5.5.2
|
|
| Siemens | SCALANCE X201-3P IRT PRO |
Affected:
All versions < V5.5.2
|
|
| Siemens | SCALANCE X202-2IRT |
Affected:
All versions < V5.5.2
|
|
| Siemens | SCALANCE X202-2P IRT |
Affected:
All versions < V5.5.2
|
|
| Siemens | SCALANCE X202-2P IRT PRO |
Affected:
All versions < V5.5.2
|
|
| Siemens | SCALANCE X204-2 |
Affected:
All versions < V5.2.6
|
|
| Siemens | SCALANCE X204-2FM |
Affected:
All versions < V5.2.6
|
|
| Siemens | SCALANCE X204-2LD |
Affected:
All versions < V5.2.6
|
|
| Siemens | SCALANCE X204-2LD TS |
Affected:
All versions < V5.2.6
|
|
| Siemens | SCALANCE X204-2TS |
Affected:
All versions < V5.2.6
|
|
| Siemens | SCALANCE X204IRT |
Affected:
All versions < V5.5.2
|
|
| Siemens | SCALANCE X204IRT PRO |
Affected:
All versions < V5.5.2
|
|
| Siemens | SCALANCE X206-1 |
Affected:
All versions < V5.2.6
|
|
| Siemens | SCALANCE X206-1LD |
Affected:
All versions < V5.2.6
|
|
| Siemens | SCALANCE X208 |
Affected:
All versions < V5.2.6
|
|
| Siemens | SCALANCE X208PRO |
Affected:
All versions < V5.2.6
|
|
| Siemens | SCALANCE X212-2 |
Affected:
All versions < V5.2.6
|
|
| Siemens | SCALANCE X212-2LD |
Affected:
All versions < V5.2.6
|
|
| Siemens | SCALANCE X216 |
Affected:
All versions < V5.2.6
|
|
| Siemens | SCALANCE X224 |
Affected:
All versions < V5.2.6
|
|
| Siemens | SCALANCE XF201-3P IRT |
Affected:
All versions < V5.5.2
|
|
| Siemens | SCALANCE XF202-2P IRT |
Affected:
All versions < V5.5.2
|
|
| Siemens | SCALANCE XF204 |
Affected:
All versions < V5.2.6
|
|
| Siemens | SCALANCE XF204-2 |
Affected:
All versions < V5.2.6
|
|
| Siemens | SCALANCE XF204-2BA IRT |
Affected:
All versions < V5.5.2
|
|
| Siemens | SCALANCE XF204IRT |
Affected:
All versions < V5.5.2
|
|
| Siemens | SCALANCE XF206-1 |
Affected:
All versions < V5.2.6
|
|
| Siemens | SCALANCE XF208 |
Affected:
All versions < V5.2.6
|
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T05:11:43.345Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"tags": [
"x_transferred"
],
"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-310038.pdf"
}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2022-26647",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "total"
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],
"role": "CISA Coordinator",
"timestamp": "2025-04-18T15:23:11.211353Z",
"version": "2.0.3"
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"providerMetadata": {
"dateUpdated": "2025-04-21T13:52:17.065Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
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],
"cna": {
"affected": [
{
"defaultStatus": "unknown",
"product": "SCALANCE X200-4P IRT",
"vendor": "Siemens",
"versions": [
{
"status": "affected",
"version": "All versions \u003c V5.5.2"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE X201-3P IRT",
"vendor": "Siemens",
"versions": [
{
"status": "affected",
"version": "All versions \u003c V5.5.2"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE X201-3P IRT PRO",
"vendor": "Siemens",
"versions": [
{
"status": "affected",
"version": "All versions \u003c V5.5.2"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE X202-2IRT",
"vendor": "Siemens",
"versions": [
{
"status": "affected",
"version": "All versions \u003c V5.5.2"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE X202-2IRT",
"vendor": "Siemens",
"versions": [
{
"status": "affected",
"version": "All versions \u003c V5.5.2"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE X202-2P IRT",
"vendor": "Siemens",
"versions": [
{
"status": "affected",
"version": "All versions \u003c V5.5.2"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE X202-2P IRT PRO",
"vendor": "Siemens",
"versions": [
{
"status": "affected",
"version": "All versions \u003c V5.5.2"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE X204-2",
"vendor": "Siemens",
"versions": [
{
"status": "affected",
"version": "All versions \u003c V5.2.6"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE X204-2FM",
"vendor": "Siemens",
"versions": [
{
"status": "affected",
"version": "All versions \u003c V5.2.6"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE X204-2LD",
"vendor": "Siemens",
"versions": [
{
"status": "affected",
"version": "All versions \u003c V5.2.6"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE X204-2LD TS",
"vendor": "Siemens",
"versions": [
{
"status": "affected",
"version": "All versions \u003c V5.2.6"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE X204-2TS",
"vendor": "Siemens",
"versions": [
{
"status": "affected",
"version": "All versions \u003c V5.2.6"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE X204IRT",
"vendor": "Siemens",
"versions": [
{
"status": "affected",
"version": "All versions \u003c V5.5.2"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE X204IRT",
"vendor": "Siemens",
"versions": [
{
"status": "affected",
"version": "All versions \u003c V5.5.2"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE X204IRT PRO",
"vendor": "Siemens",
"versions": [
{
"status": "affected",
"version": "All versions \u003c V5.5.2"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE X206-1",
"vendor": "Siemens",
"versions": [
{
"status": "affected",
"version": "All versions \u003c V5.2.6"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE X206-1LD",
"vendor": "Siemens",
"versions": [
{
"status": "affected",
"version": "All versions \u003c V5.2.6"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE X208",
"vendor": "Siemens",
"versions": [
{
"status": "affected",
"version": "All versions \u003c V5.2.6"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE X208PRO",
"vendor": "Siemens",
"versions": [
{
"status": "affected",
"version": "All versions \u003c V5.2.6"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE X212-2",
"vendor": "Siemens",
"versions": [
{
"status": "affected",
"version": "All versions \u003c V5.2.6"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE X212-2LD",
"vendor": "Siemens",
"versions": [
{
"status": "affected",
"version": "All versions \u003c V5.2.6"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE X216",
"vendor": "Siemens",
"versions": [
{
"status": "affected",
"version": "All versions \u003c V5.2.6"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE X224",
"vendor": "Siemens",
"versions": [
{
"status": "affected",
"version": "All versions \u003c V5.2.6"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE XF201-3P IRT",
"vendor": "Siemens",
"versions": [
{
"status": "affected",
"version": "All versions \u003c V5.5.2"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE XF202-2P IRT",
"vendor": "Siemens",
"versions": [
{
"status": "affected",
"version": "All versions \u003c V5.5.2"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE XF204",
"vendor": "Siemens",
"versions": [
{
"status": "affected",
"version": "All versions \u003c V5.2.6"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE XF204-2",
"vendor": "Siemens",
"versions": [
{
"status": "affected",
"version": "All versions \u003c V5.2.6"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE XF204-2BA IRT",
"vendor": "Siemens",
"versions": [
{
"status": "affected",
"version": "All versions \u003c V5.5.2"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE XF204IRT",
"vendor": "Siemens",
"versions": [
{
"status": "affected",
"version": "All versions \u003c V5.5.2"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE XF206-1",
"vendor": "Siemens",
"versions": [
{
"status": "affected",
"version": "All versions \u003c V5.2.6"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE XF208",
"vendor": "Siemens",
"versions": [
{
"status": "affected",
"version": "All versions \u003c V5.2.6"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability has been identified in SCALANCE X200-4P IRT (All versions \u003c V5.5.2), SCALANCE X201-3P IRT (All versions \u003c V5.5.2), SCALANCE X201-3P IRT PRO (All versions \u003c V5.5.2), SCALANCE X202-2IRT (All versions \u003c V5.5.2), SCALANCE X202-2IRT (All versions \u003c V5.5.2), SCALANCE X202-2P IRT (All versions \u003c V5.5.2), SCALANCE X202-2P IRT PRO (All versions \u003c V5.5.2), SCALANCE X204-2 (All versions \u003c V5.2.6), SCALANCE X204-2FM (All versions \u003c V5.2.6), SCALANCE X204-2LD (All versions \u003c V5.2.6), SCALANCE X204-2LD TS (All versions \u003c V5.2.6), SCALANCE X204-2TS (All versions \u003c V5.2.6), SCALANCE X204IRT (All versions \u003c V5.5.2), SCALANCE X204IRT (All versions \u003c V5.5.2), SCALANCE X204IRT PRO (All versions \u003c V5.5.2), SCALANCE X206-1 (All versions \u003c V5.2.6), SCALANCE X206-1LD (All versions \u003c V5.2.6), SCALANCE X208 (All versions \u003c V5.2.6), SCALANCE X208PRO (All versions \u003c V5.2.6), SCALANCE X212-2 (All versions \u003c V5.2.6), SCALANCE X212-2LD (All versions \u003c V5.2.6), SCALANCE X216 (All versions \u003c V5.2.6), SCALANCE X224 (All versions \u003c V5.2.6), SCALANCE XF201-3P IRT (All versions \u003c V5.5.2), SCALANCE XF202-2P IRT (All versions \u003c V5.5.2), SCALANCE XF204 (All versions \u003c V5.2.6), SCALANCE XF204-2 (All versions \u003c V5.2.6), SCALANCE XF204-2BA IRT (All versions \u003c V5.5.2), SCALANCE XF204IRT (All versions \u003c V5.5.2), SCALANCE XF206-1 (All versions \u003c V5.2.6), SCALANCE XF208 (All versions \u003c V5.2.6). The webserver of affected devices calculates session ids and nonces in an insecure manner. This could allow an unauthenticated remote attacker to brute-force session ids and hijack existing sessions."
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 8.8,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C",
"version": "3.1"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-330",
"description": "CWE-330: Use of Insufficiently Random Values",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2023-04-11T09:02:19.204Z",
"orgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
"shortName": "siemens"
},
"references": [
{
"url": "https://cert-portal.siemens.com/productcert/pdf/ssa-310038.pdf"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "cec7a2ec-15b4-4faf-bd53-b40f371f3a77",
"assignerShortName": "siemens",
"cveId": "CVE-2022-26647",
"datePublished": "2022-07-12T10:06:32.000Z",
"dateReserved": "2022-03-07T00:00:00.000Z",
"dateUpdated": "2025-04-21T13:52:17.065Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
Mitigation
Architecture and Design
- Use a well-vetted algorithm that is currently considered to be strong by experts in the field, and select well-tested implementations with adequate length seeds.
- In general, if a pseudo-random number generator is not advertised as being cryptographically secure, then it is probably a statistical PRNG and should not be used in security-sensitive contexts.
- Pseudo-random number generators can produce predictable numbers if the generator is known and the seed can be guessed. A 256-bit seed is a good starting point for producing a "random enough" number.
Mitigation
Implementation
Consider a PRNG that re-seeds itself as needed from high quality pseudo-random output sources, such as hardware devices.
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").
CAPEC-112: Brute Force
In this attack, some asset (information, functionality, identity, etc.) is protected by a finite secret value. The attacker attempts to gain access to this asset by using trial-and-error to exhaustively explore all the possible secret values in the hope of finding the secret (or a value that is functionally equivalent) that will unlock the asset.
CAPEC-485: Signature Spoofing by Key Recreation
An attacker obtains an authoritative or reputable signer's private signature key by exploiting a cryptographic weakness in the signature algorithm or pseudorandom number generation and then uses this key to forge signatures from the original signer to mislead a victim into performing actions that benefit the attacker.
CAPEC-59: Session Credential Falsification through Prediction
This attack targets predictable session ID in order to gain privileges. The attacker can predict the session ID used during a transaction to perform spoofing and session hijacking.