Weakness (CWE)
CWE-331: Insufficient Entropy
The product uses an algorithm or scheme that produces insufficient entropy, leaving patterns or clusters of values that are more likely to occur than others.
How to prevent it (1 mitigation)
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Implementation
Determine the necessary entropy to adequately provide for randomness and predictability. This can be achieved by increasing the number of bits of objects such as keys and seeds.
Source: MITRE CWE-331
124 results · Feed
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Medium —
FOSUserBundle Entropy is lost in the TokenGenerator
### Description Because of the usage of base_convert which looses precision for large inputs, the entropy of tokens generated by FOSUserBundle for the email confirmation and password resetting is lost. This makes these tokens much less random than they are ex…
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Critical 9.1
Insufficient Randomness When Validating an IPMI Authenticated Session
Implementations of IPMI Authenticated sessions does not provide enough randomness to protect from session hijacking, allowing an attacker to use either predictable IPMI Session ID or weak BMC Random Number to bypass security controls using spoofed IPMI packet…
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Medium 6.2
Chilkat before v9.5.0.98, allows attackers to obtain sensitive information via predictable PRNG in ChilkatRand::randomB…
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Critical 9.8
Hitron CODA-4582 and CODA-4589 devices have default PSKs that are generated from 5-digit hex values concatenated with a…
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Medium 6.8
Uninitialized TRNG used for ECDSA after EM2/EM3 sleep for VSE devices
TRNG is used before initialization by ECDSA signing driver when exiting EM2/EM3 on Virtual Secure Vault (VSE) devices. This defect may allow Signature Spoofing by Key Recreation.This issue affects Gecko SDK through v4.4.0.
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High 7.5
SteVe v3.6.0 was discovered to use predictable transaction ID's when receiving a StartTransaction request. This vulnera…
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Critical 9.8
WWBN AVideo Insufficient Entropy vulnerbaility
An insufficient entropy vulnerability exists in the salt generation functionality of WWBN AVideo dev master commit 15fed957fb. A specially crafted series of HTTP requests can lead to privilege escalation. An attacker can gather system information via HTTP req…
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High 8.3
Insufficient Entropy in GitHub Enterprise Server Management Console Invitation Token
An insufficient entropy vulnerability was identified in GitHub Enterprise Server (GHES) that allowed an attacker to brute force a user invitation to the GHES Management Console. To exploit this vulnerability, an attacker would need knowledge that a user invit…
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Medium 5.9
pubnub Insufficient Entropy vulnerability
Versions of the package pubnub before 7.4.0; all versions of the package com.pubnub:pubnub; versions of the package pubnub before 6.19.0; all versions of the package github.com/pubnub/go; versions of the package github.com/pubnub/go/v7 before 7.2.0; versions …
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High 7.5
Insufficient entropy vulnerability could lead to authentication bypass
An Insufficient Entropy vulnerability in the Schweitzer Engineering Laboratories SEL-451 could allow an unauthenticated remote attacker to brute-force session tokens and bypass authentication. See product Instruction Manual Appendix A dated 20230830 for more…
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High 7.5
jose4j uses weak cryptographic algorithm
jose4j before v0.9.3 allows attackers to set a low iteration count of 1000 or less.
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Low 3.1
QTS, QuTS hero
An insufficient entropy vulnerability has been reported to affect QNAP operating systems. If exploited, the vulnerability possibly allows remote users to predict secret via unspecified vectors. We have already fixed the vulnerability in the following versions…
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Critical 9.8
Broadcom RAID Controller web interface is vulnerable to insufficient randomness due to improper use of ssl.rnd to setup CIM connection
Broadcom RAID Controller web interface is vulnerable to insufficient randomness due to improper use of ssl.rnd to setup CIM connection
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Medium 5.9
The affected TBox RTUs generate software security tokens using insufficient entropy. The random seed used to generate …
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Medium 5.3
crypto-js uses insecure random numbers
The crypto-js package before 3.2.1 for Node.js generates random numbers by concatenating the string "0." with an integer, which makes the output more predictable than necessary.
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High 7.1
Rancher: Non-random authentication token
A Insufficient Entropy vulnerability in SUSE Rancher allows attackers that gained knowledge of the cattle-token to continue abusing this even after the token was renewed. This issue affects: SUSE Rancher Rancher versions prior to 2.6.10; Rancher versions prio…
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Critical 9.1
Insufficient randomness in github.com/Masterminds/goutils
Randomly-generated alphanumeric strings contain significantly less entropy than expected. The RandomAlphaNumeric and CryptoRandomAlphaNumeric functions always return strings containing at least one digit from 0 to 9. This significantly reduces the amount of e…
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Low 2.6
phpservermon User.php setUserLoggedIn predictable algorithm in random number generator
A vulnerability, which was classified as problematic, was found in phpservermon. Affected is the function setUserLoggedIn of the file src/psm/Service/User.php. The manipulation leads to use of predictable algorithm in random number generator. The exploit has …
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Low 2.6
phpservermon User.php generatePasswordResetToken predictable algorithm in random number generator
A vulnerability, which was classified as problematic, was found in phpservermon. This affects the function generatePasswordResetToken of the file src/psm/Service/User.php. The manipulation leads to use of predictable algorithm in random number generator. The …
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Medium 5.9
An insufficient entropy vulnerability caused by the improper use of randomness sources with low entropy for RSA key pai…
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Unscored —
Apache OpenOffice Weak Master Keys
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 master key was poorly encoded re…
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Medium 5.3
Dell BSAFE Crypto-C Micro Edition, versions before 4.1.5, and Dell BSAFE Micro Edition Suite, versions before 4.6, cont…
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High 7.1
Dell BSAFE Crypto-C Micro Edition, versions before 4.1.5, and Dell BSAFE Micro Edition Suite, versions before 4.5.2, co…
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Unscored —
OpenVPN Access Server before 2.11 uses a weak random generator used to create user session token for the web portal
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High 8.3
Insecure entropy in argo-cd
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…
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Critical 9.8
Dell VNX2 OE for File versions 8.1.21.266 and earlier, contain an authentication bypass vulnerability. A remote unauthe…
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High 7.5
Dell Networking X-Series firmware versions prior to 3.0.1.8 contain an authentication bypass vulnerability. A remote un…
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Unscored —
A CWE-331: Insufficient Entropy vulnerability exists in EVlink City (EVC1S22P4 / EVC1S7P4 all versions prior to R8 V3.4…
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Low 3.7
Denial of service in Matrix Synapse
Synapse is a Matrix reference homeserver written in python (pypi package matrix-synapse). Matrix is an ecosystem for open federated Instant Messaging and VoIP. In Synapse before version 1.33.2 "Push rules" can specify conditions under which they will match, i…
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Unscored —
A flaw was found in libtpms in versions before 0.8.0. The TPM 2 implementation returns 2048 bit keys with ~1984 bit str…
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High 7.5
Use of Cryptographically Weak Pseudo-Random Number Generator in Rclone
An issue was discovered in Rclone before 1.53.3. Due to the use of a weak random number generator, the password generator has been producing weak passwords with much less entropy than advertised. The suggested passwords depend deterministically on the time th…
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Critical —
Insufficient Entropy in parsel
All versions of `parsel` use an insecure key derivation function. The package runs keys of arbitrary lengths through one round of SHA256 hashing for key stretching. This allows for the use of keys of insufficient entropy with inappropriate key stretching. ## …
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Medium —
Mattermost Server has low entropy for authorization data as an OAuth 2.0 Service Provider
An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2, when serving as an OAuth 2.0 Service Provider. There is low entropy for authorization data.
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High 7.3
Session / Password / Password token leak
An attacker with the ability to generate session IDs or password reset tokens, either by being able to authenticate or by exploiting OSA-2020-09, may be able to predict other users session IDs, password reset tokens and automatically generated passwords. This…
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High 7.5
Insecure Entropy Source - Math.random() in node-uuid
node-uuid before 1.4.4 uses insufficiently random data to create a GUID, which could make it easier for attackers to have unspecified impact via brute force guessing.
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High 7.5
Pallets Werkzeug Insufficient Entropy
Pallets Werkzeug before 0.15.3, when used with Docker, has insufficient debugger PIN randomness because Docker containers share the same machine id.
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High 7.5
Insufficient Entropy in DotNetNuke
DNN (aka DotNetNuke) 9.2 through 9.2.2 incorrectly converts encryption key source values, resulting in lower than expected entropy. NOTE: this issue exists because of an incomplete fix for CVE-2018-15812.
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High 7.5
Insufficient Entropy in DotNetNuke
DNN (aka DotNetNuke) 9.2 through 9.2.1 incorrectly converts encryption key source values, resulting in lower than expected entropy.
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Medium 5.2
It was discovered that libICE before 1.0.9-8 used a weak entropy to generate keys. A local attacker could potentially u…
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Medium 6.5
It was discovered that libXdmcp before 1.1.2 including used weak entropy to generate session keys. On a multi-user syst…