Common Weakness Enumeration
CWE-338
AllowedUse of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
Abstraction: Base · Status: Draft
The product uses a Pseudo-Random Number Generator (PRNG) in a security context, but the PRNG's algorithm is not cryptographically strong.
293 vulnerabilities reference this CWE, most recent first.
CVE-2022-20817 (GCVE-0-2022-20817)
Vulnerability from cvelistv5 – Published: 2022-06-15 17:55 – Updated: 2024-11-01 19:02
VLAI
EPSS
VEX
Title
Cisco IP Phone Duplicate Key Vulnerability
Summary
A vulnerability in Cisco Unified IP Phones could allow an unauthenticated, remote attacker to impersonate another user's phone if the Cisco Unified Communications Manager (CUCM) is in secure mode. This vulnerability is due to improper key generation during the manufacturing process that could result in duplicated manufactured keys installed on multiple devices. An attacker could exploit this vulnerability by performing a machine-in-the-middle attack on the secure communication between the phone and the CUCM. A successful exploit could allow the attacker to impersonate another user's phone. This vulnerability cannot be addressed with software updates. There is a workaround that addresses this vulnerability.
Severity
7.4 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://tools.cisco.com/security/center/content/C… | vendor-advisoryx_refsource_CISCO |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco IP Phones with Multiplatform Firmware |
Affected:
n/a
|
Date Public
2022-06-15 00:00
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CVE-2021-43799 (GCVE-0-2021-43799)
Vulnerability from cvelistv5 – Published: 2022-01-25 20:55 – Updated: 2025-04-23 19:09
VLAI
EPSS
VEX
Title
RabbitMQ exposes ports with weak default secrets in Zulip Server
Summary
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Severity
8.6 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-338 - Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/zulip/zulip/security/advisorie… | x_refsource_CONFIRM |
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| https://github.com/gteissier/erl-matter | x_refsource_MISC |
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CVE-2021-34430 (GCVE-0-2021-34430)
Vulnerability from cvelistv5 – Published: 2021-07-08 03:00 – Updated: 2024-08-04 00:12
VLAI
EPSS
VEX
Summary
Eclipse TinyDTLS through 0.9-rc1 relies on the rand function in the C library, which makes it easier for remote attackers to compute the master key and then decrypt DTLS traffic.
Severity
No CVSS data available.
CWE
- CWE-338 - Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://bugs.eclipse.org/bugs/show_bug.cgi?id=568803 | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The Eclipse Foundation | Eclipse TinyDTLS |
Affected:
unspecified , ≤ 0.9-rc1
(custom)
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CVE-2021-26091 (GCVE-0-2021-26091)
Vulnerability from cvelistv5 – Published: 2025-03-24 15:37 – Updated: 2025-03-31 18:11
VLAI
EPSS
VEX
Summary
A use of a cryptographically weak pseudo-random number generator vulnerability in the authenticator of the Identity Based Encryption service of FortiMail 6.4.0 through 6.4.4, and 6.2.0 through 6.2.7 may allow an unauthenticated attacker to infer parts of users authentication tokens and reset their credentials.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-338 - Improper Access Control
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Fortinet | FortiMail |
Affected:
6.4.0 , ≤ 6.4.4
(semver)
Affected: 6.2.0 , ≤ 6.2.9 (semver) Affected: 6.2.0 , < 6.2.* (semver) cpe:2.3:a:fortinet:fortimail:6.4.4:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:6.4.3:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:6.4.2:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:6.4.1:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:6.4.0:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:6.2.9:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:6.2.8:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:6.2.7:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:6.2.6:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:6.2.5:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:6.2.4:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:6.2.3:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:6.2.2:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:6.2.1:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:6.2.0:*:*:*:*:*:*:* cpe:2.3:a:fortinet:fortimail:6.2.*:*:*:*:*:*:*:* |
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CVE-2021-3990 (GCVE-0-2021-3990)
Vulnerability from cvelistv5 – Published: 2021-12-01 10:50 – Updated: 2024-08-03 17:16
VLAI
EPSS
VEX
Title
Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) in star7th/showdoc
Summary
showdoc is vulnerable to Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
Severity
6.5 (Medium)
CWE
- CWE-338 - Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://huntr.dev/bounties/0680067d-56a7-4412-b06… | x_refsource_CONFIRM |
| https://github.com/star7th/showdoc/commit/a9886f2… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| star7th | star7th/showdoc |
Affected:
unspecified , < 2.9.13
(custom)
|
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CVE-2021-3678 (GCVE-0-2021-3678)
Vulnerability from cvelistv5 – Published: 2021-08-04 13:14 – Updated: 2024-08-03 17:01
VLAI
EPSS
VEX
Title
Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) in star7th/showdoc
Summary
showdoc is vulnerable to Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
Severity
7.5 (High)
CWE
- CWE-338 - Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://huntr.dev/bounties/f9a9defd-29ea-4442-b69… | x_refsource_CONFIRM |
| https://github.com/star7th/showdoc/commit/4b962c1… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| star7th | star7th/showdoc |
Affected:
unspecified , ≤ 2.9.7
(custom)
|
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CVE-2021-3538 (GCVE-0-2021-3538)
Vulnerability from cvelistv5 – Published: 2021-06-02 13:22 – Updated: 2024-08-03 17:01
VLAI
EPSS
VEX
Summary
A flaw was found in github.com/satori/go.uuid in versions from commit 0ef6afb2f6cdd6cdaeee3885a95099c63f18fc8c to d91630c8510268e75203009fe7daf2b8e1d60c45. Due to insecure randomness in the g.rand.Read function the generated UUIDs are predictable for an attacker.
Severity
No CVSS data available.
CWE
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1954376 | x_refsource_MISC |
| https://github.com/satori/go.uuid/issues/73 | x_refsource_MISC |
| https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMSATORIG… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | satori/go.uuid |
Affected:
All satori/go.uuid versions from commit 0ef6afb2f6cdd6cdaeee3885a95099c63f18fc8c to d91630c8510268e75203009fe7daf2b8e1d60c45
|
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CVE-2021-3047 (GCVE-0-2021-3047)
Vulnerability from cvelistv5 – Published: 2021-08-11 17:10 – Updated: 2024-09-17 02:32
VLAI
EPSS
VEX
Title
PAN-OS: Weak Cryptography Used in Web Interface Authentication
Summary
A cryptographically weak pseudo-random number generator (PRNG) is used during authentication to the Palo Alto Networks PAN-OS web interface. This enables an authenticated attacker, with the capability to observe their own authentication secrets over a long duration on the PAN-OS appliance, to impersonate another authenticated web interface administrator's session. This issue impacts: PAN-OS 8.1 versions earlier than PAN-OS 8.1.19; PAN-OS 9.0 versions earlier than PAN-OS 9.0.14; PAN-OS 9.1 versions earlier than PAN-OS 9.1.10; PAN-OS 10.0 versions earlier than PAN-OS 10.0.4. PAN-OS 10.1 versions are not impacted.
Severity
4.2 (Medium)
CWE
- CWE-338 - Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://security.paloaltonetworks.com/CVE-2021-3047 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Palo Alto Networks | PAN-OS |
Unaffected:
10.1.*
Affected: 8.1 , < 8.1.19 (custom) Affected: 9.0 , < 9.0.14 (custom) Affected: 10.0 , < 10.0.4 (custom) Affected: 9.1 , < 9.1.10 (custom) |
Date Public
2021-08-11 00:00
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CVE-2019-5440 (GCVE-0-2019-5440)
Vulnerability from cvelistv5 – Published: 2019-05-28 18:41 – Updated: 2024-08-04 19:54
VLAI
EPSS
VEX
Summary
Use of cryptographically weak PRNG in the password recovery token generation of Revive Adserver < v4.2.1 causes a potential authentication bypass attack if an attacker exploits the password recovery functionality. In lib/OA/Dal/PasswordRecovery.php, the function generateRecoveryId() generates a password reset token that relies on the PHP uniqid function and consequently depends only on the current server time, which is often visible in an HTTP Date header.
Severity
No CVSS data available.
CWE
- CWE-338 - Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) (CWE-338)
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://hackerone.com/reports/576504 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Revive | Revive Adserver |
Affected:
Fixed in 4.2.1
|
Date Public
2019-05-21 00:00
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"dateReserved": "2019-01-04T00:00:00.000Z",
"dateUpdated": "2024-08-04T19:54:53.582Z",
"state": "PUBLISHED"
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CVE-2018-25107 (GCVE-0-2018-25107)
Vulnerability from cvelistv5 – Published: 2024-12-29 00:00 – Updated: 2024-12-31 18:20
VLAI
EPSS
VEX
Summary
The Crypt::Random::Source package before 0.13 for Perl has a fallback to the built-in rand() function, which is not a secure source of random bits.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-338 - Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
Assigner
References
{
"containers": {
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{
"metrics": [
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"cvssV3_1": {
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"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"version": "3.1"
}
},
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"timestamp": "2024-12-31T18:18:54.677708Z",
"version": "2.0.3"
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"providerMetadata": {
"dateUpdated": "2024-12-31T18:20:33.845Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
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],
"cna": {
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"product": "n/a",
"vendor": "n/a",
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"lang": "en",
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"providerMetadata": {
"dateUpdated": "2024-12-29T06:23:34.115Z",
"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
"shortName": "mitre"
},
"references": [
{
"url": "https://github.com/karenetheridge/Crypt-Random-Source/pull/3"
},
{
"url": "https://metacpan.org/release/ETHER/Crypt-Random-Source-0.13/changes"
}
],
"x_generator": {
"engine": "enrichogram 0.0.1"
}
}
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"cveMetadata": {
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"datePublished": "2024-12-29T00:00:00.000Z",
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Mitigation
Implementation
Use functions or hardware which use a hardware-based random number generation for all crypto. This is the recommended solution. Use CyptGenRandom on Windows, or hw_rand() on Linux.
No CAPEC attack patterns related to this CWE.