Common Weakness Enumeration

CWE-330

Discouraged

Use 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.

467 vulnerabilities reference this CWE, most recent first.

CVE-2026-21444 (GCVE-0-2026-21444)

Vulnerability from cvelistv5 – Published: 2026-01-02 19:05 – Updated: 2026-01-05 20:37
VLAI
Title
libtpms returns wrong initialization vector when certain symmetric ciphers are used
Summary
libtpms, a library that provides software emulation of a Trusted Platform Module, has a flaw in versions 0.10.0 and 0.10.1. The commonly used integration of libtpms with OpenSSL 3.x contained a vulnerability related to the returned IV (initialization vector) when certain symmetric ciphers were used. Instead of returning the last IV it returned the initial IV to the caller, thus weakening the subsequent encryption and decryption steps. The highest threat from this vulnerability is to data confidentiality. Version 0.10.2 fixes the issue. No known workarounds are available.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-01-05 20:30 UTC
CWE
  • CWE-327 - Use of a Broken or Risky Cryptographic Algorithm
  • CWE-330 - Use of Insufficiently Random Values
Impacted products
Vendor Product Version
stefanberger libtpms Affected: >= 0.10.0, < 0.10.2
Create a notification for this product.
Show details on NVD website

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CVE-2026-20101 (GCVE-0-2026-20101)

Vulnerability from cvelistv5 – Published: 2026-03-04 17:19 – Updated: 2026-03-05 15:33
VLAI
Summary
A vulnerability in the SAML 2.0 single sign-on (SSO) feature of Cisco Secure Firewall ASA Software and Secure FTD Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a DoS condition. This vulnerability is due to insufficient error checking when processing SAML messages. An attacker could exploit this vulnerability by sending crafted SAML messages to the SAML service. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-03-05 15:33 UTC
CWE
  • CWE-330 - Use of Insufficiently Random Values
Impacted products
Vendor Product Version
Cisco Cisco Secure Firewall Adaptive Security Appliance (ASA) Software Affected: 9.12.1
Affected: 9.12.1.2
Affected: 9.12.1.3
Affected: 9.12.2
Affected: 9.12.2.4
Affected: 9.12.2.5
Affected: 9.12.2.9
Affected: 9.12.3
Affected: 9.12.3.2
Affected: 9.12.3.7
Affected: 9.12.4
Affected: 9.12.3.12
Affected: 9.12.3.9
Affected: 9.12.2.1
Affected: 9.12.4.2
Affected: 9.12.4.4
Affected: 9.12.4.7
Affected: 9.12.4.10
Affected: 9.12.4.13
Affected: 9.12.4.8
Affected: 9.12.4.18
Affected: 9.12.4.24
Affected: 9.12.4.26
Affected: 9.12.4.29
Affected: 9.12.4.30
Affected: 9.12.4.35
Affected: 9.12.4.37
Affected: 9.12.4.38
Affected: 9.12.4.39
Affected: 9.12.4.40
Affected: 9.12.4.41
Affected: 9.12.4.47
Affected: 9.12.4.48
Affected: 9.12.4.50
Affected: 9.12.4.52
Affected: 9.12.4.54
Affected: 9.12.4.55
Affected: 9.12.4.56
Affected: 9.12.4.58
Affected: 9.12.4.62
Affected: 9.12.4.65
Affected: 9.12.4.67
Affected: 9.16.1
Affected: 9.16.1.28
Affected: 9.16.2
Affected: 9.16.2.3
Affected: 9.16.2.7
Affected: 9.16.2.11
Affected: 9.16.2.13
Affected: 9.16.2.14
Affected: 9.16.3
Affected: 9.16.3.3
Affected: 9.16.3.14
Affected: 9.16.3.15
Affected: 9.16.3.19
Affected: 9.16.3.23
Affected: 9.16.4
Affected: 9.16.4.9
Affected: 9.16.4.14
Affected: 9.16.4.19
Affected: 9.16.4.27
Affected: 9.16.4.38
Affected: 9.16.4.39
Affected: 9.16.4.42
Affected: 9.16.4.48
Affected: 9.16.4.55
Affected: 9.16.4.57
Affected: 9.16.4.61
Affected: 9.16.4.62
Affected: 9.16.4.67
Affected: 9.16.4.70
Affected: 9.16.4.71
Affected: 9.16.4.76
Affected: 9.16.4.82
Affected: 9.16.4.84
Affected: 9.17.1
Affected: 9.17.1.7
Affected: 9.17.1.9
Affected: 9.17.1.10
Affected: 9.17.1.11
Affected: 9.17.1.13
Affected: 9.17.1.15
Affected: 9.17.1.20
Affected: 9.17.1.30
Affected: 9.17.1.33
Affected: 9.17.1.39
Affected: 9.17.1.45
Affected: 9.17.1.46
Affected: 9.18.1
Affected: 9.18.1.3
Affected: 9.18.2
Affected: 9.18.2.5
Affected: 9.18.2.7
Affected: 9.18.2.8
Affected: 9.18.3
Affected: 9.18.3.39
Affected: 9.18.3.46
Affected: 9.18.3.53
Affected: 9.18.3.55
Affected: 9.18.3.56
Affected: 9.18.4
Affected: 9.18.4.5
Affected: 9.18.4.8
Affected: 9.18.4.22
Affected: 9.18.4.24
Affected: 9.18.4.29
Affected: 9.18.4.34
Affected: 9.18.4.40
Affected: 9.18.4.47
Affected: 9.18.4.50
Affected: 9.18.4.52
Affected: 9.18.4.53
Affected: 9.18.4.57
Affected: 9.19.1
Affected: 9.19.1.5
Affected: 9.19.1.9
Affected: 9.19.1.12
Affected: 9.19.1.18
Affected: 9.19.1.22
Affected: 9.19.1.24
Affected: 9.19.1.27
Affected: 9.19.1.28
Affected: 9.19.1.31
Affected: 9.19.1.37
Affected: 9.19.1.38
Affected: 9.19.1.42
Affected: 9.20.1
Affected: 9.20.1.5
Affected: 9.20.2
Affected: 9.20.2.10
Affected: 9.20.2.21
Affected: 9.20.2.22
Affected: 9.20.3
Affected: 9.20.3.4
Affected: 9.20.3.7
Affected: 9.20.3.9
Affected: 9.20.3.10
Affected: 9.20.3.13
Affected: 9.20.3.16
Affected: 9.20.3.20
Affected: 9.22.1.1
Affected: 9.22.1.3
Affected: 9.22.1.2
Affected: 9.22.1.6
Affected: 9.22.2
Affected: 9.23.1
Affected: 9.23.1.3
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Cisco Cisco Secure Firewall Threat Defense (FTD) Software 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: 6.4.0.18
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: 7.0.5
Affected: 7.0.6
Affected: 7.0.6.1
Affected: 7.0.6.2
Affected: 7.0.6.3
Affected: 7.0.7
Affected: 7.0.8
Affected: 7.0.8.1
Affected: 7.1.0
Affected: 7.1.0.1
Affected: 7.1.0.2
Affected: 7.1.0.3
Affected: 7.2.0
Affected: 7.2.0.1
Affected: 7.2.1
Affected: 7.2.2
Affected: 7.2.3
Affected: 7.2.4
Affected: 7.2.4.1
Affected: 7.2.5
Affected: 7.2.5.1
Affected: 7.2.6
Affected: 7.2.7
Affected: 7.2.5.2
Affected: 7.2.8
Affected: 7.2.8.1
Affected: 7.2.9
Affected: 7.2.10
Affected: 7.2.10.2
Affected: 7.3.0
Affected: 7.3.1
Affected: 7.3.1.1
Affected: 7.3.1.2
Affected: 7.4.0
Affected: 7.4.1
Affected: 7.4.1.1
Affected: 7.4.2
Affected: 7.4.2.1
Affected: 7.4.2.2
Affected: 7.4.2.3
Affected: 7.4.2.4
Affected: 7.6.0
Affected: 7.6.1
Affected: 7.6.2
Affected: 7.6.2.1
Affected: 7.7.0
Affected: 7.7.10
Affected: 7.7.10.1
Create a notification for this product.
Show details on NVD website

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              "status": "affected",
              "version": "9.16.4.14"
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              "version": "9.16.4.19"
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              "status": "affected",
              "version": "9.16.4.27"
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              "version": "9.16.4.38"
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              "version": "9.16.4.39"
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              "version": "9.16.4.67"
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              "version": "9.16.4.70"
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              "version": "9.16.4.71"
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              "version": "9.16.4.76"
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              "version": "9.16.4.82"
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              "version": "9.16.4.84"
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              "version": "9.17.1"
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              "version": "9.17.1.7"
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              "version": "9.17.1.9"
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              "version": "9.17.1.10"
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              "version": "9.17.1.11"
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              "version": "9.17.1.13"
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              "version": "9.17.1.15"
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              "version": "9.17.1.20"
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              "version": "9.17.1.30"
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              "version": "9.17.1.33"
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              "version": "9.17.1.39"
            },
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              "status": "affected",
              "version": "9.17.1.45"
            },
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              "status": "affected",
              "version": "9.17.1.46"
            },
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              "status": "affected",
              "version": "9.18.1"
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CVE-2026-19906 (GCVE-0-2026-19906)

Vulnerability from cvelistv5 – Published: 2026-08-15 19:00 – Updated: 2026-08-17 17:39 X_Open Source
VLAI
Title
pkp pkp-lib API Key Generation APIProfileForm.php setData entropy
Summary
A weakness has been identified in pkp pkp-lib 3.3.0/3.4.0/3.5.0. This vulnerability affects the function setData of the file classes/user/form/APIProfileForm.php of the component API Key Generation. Executing a manipulation of the argument apiKey can lead to insufficient entropy. The attack may be performed from remote. This attack is characterized by high complexity. It is stated that the exploitability is difficult. This patch is called 529b5df878e571ccc727647f7748eafc1466b041. It is best practice to apply a patch to resolve this issue.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-17 17:39 UTC
CWE
  • CWE-331 - Insufficient Entropy
  • CWE-330 - Insufficiently Random Values
References
Impacted products
Vendor Product Version
pkp pkp-lib Affected: 3.3.0
Affected: 3.4.0
Affected: 3.5.0
    cpe:2.3:a:pkp:pkp-lib:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2026-19896 (GCVE-0-2026-19896)

Vulnerability from cvelistv5 – Published: 2026-08-15 14:15 – Updated: 2026-08-18 02:19
VLAI
Title
mangroup dtale Flask Session Cookie app.py build_secret_key random values
Summary
A flaw has been found in mangroup dtale up to 3.22.0. This vulnerability affects the function build_secret_key of the file dtale/app.py of the component Flask Session Cookie. This manipulation causes insufficiently random values. Remote exploitation of the attack is possible. The attack's complexity is rated as high. It is stated that the exploitability is difficult. The exploit has been published and may be used. The pull request to fix this issue awaits acceptance.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-18 02:19 UTC
CWE
  • CWE-330 - Insufficiently Random Values
  • CWE-310 - Cryptographic Issues
References
URL Tags
https://vuldb.com/vuln/390086 vdb-entrytechnical-description
https://vuldb.com/vuln/390086/cti signaturepermissions-required
https://vuldb.com/cve/CVE-2026-19896 third-party-advisory
https://vuldb.com/submit/870672 third-party-advisory
https://github.com/man-group/dtale/issues/960 exploitissue-tracking
https://github.com/man-group/dtale/pull/963 issue-trackingpatch
Impacted products
Vendor Product Version
mangroup dtale Affected: 3.0
Affected: 3.1
Affected: 3.2
Affected: 3.3
Affected: 3.4
Affected: 3.5
Affected: 3.6
Affected: 3.7
Affected: 3.8
Affected: 3.9
Affected: 3.10
Affected: 3.11
Affected: 3.12
Affected: 3.13
Affected: 3.14
Affected: 3.15
Affected: 3.16
Affected: 3.17
Affected: 3.18
Affected: 3.19
Affected: 3.20
Affected: 3.21
Affected: 3.22.0
    cpe:2.3:a:mangroup:dtale:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2026-19748 (GCVE-0-2026-19748)

Vulnerability from cvelistv5 – Published: 2026-08-13 20:15 – Updated: 2026-08-14 16:44
VLAI
Title
Tenda CH7 Kylin Web Service CWebSessionManager_ParseSession entropy
Summary
A security vulnerability has been detected in Tenda CH7, CH7G, CH10, CP3, CP3 Pro, CP7, TC3B14C, TC3B15C, TC3T14C and TC3T15C up to 20260625. Affected is the function CWebSessionManager_ParseSession of the file /user/bin/Kylin of the component Kylin Web Service. Such manipulation of the argument SESSION leads to insufficient entropy. The attack may be performed from remote. Attacks of this nature are highly complex. The exploitability is told to be difficult.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-14 16:43 UTC
CWE
  • CWE-331 - Insufficient Entropy
  • CWE-330 - Insufficiently Random Values
References
Impacted products
Vendor Product Version
Tenda CH7 Affected: 20260625
    cpe:2.3:h:tenda:ch7:*:*:*:*:*:*:*:*
Create a notification for this product.
Tenda CH7G Affected: 20260625
    cpe:2.3:h:tenda:ch7g:*:*:*:*:*:*:*:*
Create a notification for this product.
Tenda CH10 Affected: 20260625
    cpe:2.3:h:tenda:ch10:*:*:*:*:*:*:*:*
Create a notification for this product.
Tenda CP3 Affected: 20260625
    cpe:2.3:h:tenda:cp3:*:*:*:*:*:*:*:*
Create a notification for this product.
Tenda CP3 Pro Affected: 20260625
    cpe:2.3:h:tenda:cp3_pro:*:*:*:*:*:*:*:*
Create a notification for this product.
Tenda CP7 Affected: 20260625
    cpe:2.3:h:tenda:cp7:*:*:*:*:*:*:*:*
Create a notification for this product.
Tenda TC3B14C Affected: 20260625
    cpe:2.3:h:tenda:tc3b14c:*:*:*:*:*:*:*:*
Create a notification for this product.
Tenda TC3B15C Affected: 20260625
    cpe:2.3:h:tenda:tc3b15c:*:*:*:*:*:*:*:*
Create a notification for this product.
Tenda TC3T14C Affected: 20260625
    cpe:2.3:h:tenda:tc3t14c:*:*:*:*:*:*:*:*
Create a notification for this product.
Tenda TC3T15C Affected: 20260625
    cpe:2.3:h:tenda:tc3t15c:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2026-19485 (GCVE-0-2026-19485)

Vulnerability from cvelistv5 – Published: 2026-08-26 18:06 – Updated: 2026-08-26 19:04
VLAI
Title
Bucket Squatting in Vertex AI Search for Commerce
Summary
A Predictable Resource Name vulnerability in BigQuery Import Staging in Google Cloud Vertex AI Search for Commerce versions prior to 2026-04-27 on Google Cloud Platform allows an attacker knowing the victim's project number to obtain read/write access to staged data and error logs using predictable bucket names. This vulnerability was patched and no customer action is needed.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-26 19:04 UTC
CWE
  • CWE-330 - Use of Insufficiently Random Values
Impacted products
Vendor Product Version
Google Cloud Vertex AI Search for Commerce Affected: 0 , < 2026-04-27 (date)
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Credits
Show details on NVD website

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CVE-2026-18531 (GCVE-0-2026-18531)

Vulnerability from cvelistv5 – Published: 2026-08-05 16:04 – Updated: 2026-08-06 14:29
VLAI
Title
IBM MAS uses axios-1.15.2, protobufjs-8.0.1 and undici-7.26 which is vulnerable to multiple CVEs, and contains vulnerabilities related to missing Secure attribute on mas-redirect-uri cookie and weak HMAC Session Secret
Summary
IBM Maximo Application Suite 9.2, 9.1, and 9.0 could allow a remote attacker to tamper with session data due to the use of a weak HMAC session signing secret.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-08-06 14:26 UTC
CWE
  • CWE-330 - Use of Insufficiently Random Values
Assigner
References
URL Tags
https://www.ibm.com/support/pages/node/7282362 vendor-advisorypatch
Impacted products
Vendor Product Version
IBM Maximo Application Suite Affected: 9.2
Affected: 9.1
Affected: 9.0
    cpe:2.3:a:ibm:maximo_application_suite:9.2:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:maximo_application_suite:9.2.0:*:*:*:*:*:*:*
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    cpe:2.3:a:ibm:maximo_application_suite:9.0.0:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2026-14702 (GCVE-0-2026-14702)

Vulnerability from cvelistv5 – Published: 2026-07-05 04:00 – Updated: 2026-07-06 17:49
VLAI
Title
zcaceres markdownify-mcp webpage-to-markdown Markdownify.ts saveToTempFile random values
Summary
A flaw has been found in zcaceres markdownify-mcp up to 1.1.0. This impacts the function saveToTempFile of the file src/Markdownify.ts of the component webpage-to-markdown/youtube-to-markdown/bing-search-to-markdown. This manipulation causes insufficiently random values. The attack is restricted to local execution. A high degree of complexity is needed for the attack. The exploitability is said to be difficult. The exploit has been published and may be used. The pull request to fix this issue awaits acceptance.
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-06 17:49 UTC
CWE
  • CWE-330 - Insufficiently Random Values
  • CWE-310 - Cryptographic Issues
References
Impacted products
Vendor Product Version
zcaceres markdownify-mcp Affected: 1.0
Affected: 1.1.0
    cpe:2.3:a:zcaceres:markdownify-mcp:*:*:*:*:*:*:*:*
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Show details on NVD website

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CVE-2026-14570 (GCVE-0-2026-14570)

Vulnerability from cvelistv5 – Published: 2026-07-05 01:30 – Updated: 2026-07-06 13:42
VLAI
Title
Crypt::DSA versions before 1.22 for Perl draw the DSA signing nonce and private key from a biased random generator, leading to private-key recovery
Summary
Crypt::DSA versions before 1.22 for Perl draw the DSA signing nonce and private key from a biased random generator, leading to private-key recovery. "Crypt::DSA::Util::makerandom forces the high bit of every value it returns to obtain an exactly N-bit integer for prime search. The signing nonce and the private key are drawn from makerandom. Because the high bit is always set, the result is not uniform: its top bit is fixed, producing insecure values." An attacker who collects a modest number of signatures under an affected key, together with the public key, can recover the private key with a lattice attack. Keys used to sign with an affected version should be considered compromised and new keys should be generated.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-06 13:41 UTC
CWE
  • CWE-330 - Use of Insufficiently Random Values
Impacted products
Vendor Product Version
TIMLEGGE Crypt::DSA Affected: 0 , < 1.22 (custom)
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CVE-2026-11374 (GCVE-0-2026-11374)

Vulnerability from cvelistv5 – Published: 2026-06-23 08:19 – Updated: 2026-06-24 15:48
VLAI
Title
Account Takeover via Predictable SSO Ticket Generation
Summary
In ManageEngine ADSelfService Plus, RecoveryManager Plus, M365 Manager Plus, and ADAudit Plus, the SSO tickets generated to authenticate that session could be predicted by an unauthenticated user, leading to account takeover.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-06-24 03:56 UTC
CWE
  • CWE-340 - Generation of Predictable Numbers or Identifiers
  • CWE-330 - Use of Insufficiently Random Values
  • CWE-287 - Improper Authentication
Show details on NVD website

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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.