VYPR

CWE-338

Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

BaseDraftLikelihood: Medium

Description

The product uses a Pseudo-Random Number Generator (PRNG) in a security context, but the PRNG's algorithm is not cryptographically strong.

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CVEs mapped to this weakness (212)

page 1 of 11
  • CVE-2009-2367CriJul 8, 2009
    risk 0.69cvss 9.8epss 0.23

    cgi-bin/makecgi-pro in Iomega StorCenter Pro generates predictable session IDs, which allows remote attackers to hijack active sessions and gain privileges via brute force guessing attacks on the session_id parameter.

  • CVE-2026-16235CriJul 20, 2026
    risk 0.64cvss 9.8epss 0.00

    Crypt::Password versions through 0.28 for Perl generate insecure random values for salts. These versions use the built-in rand function, which is predictable and unsuitable for cryptography.

  • CVE-2026-56141CriJun 19, 2026
    risk 0.64cvss 9.8epss 0.01

    In JetBrains Hub before 2026.1.13757, 2025.3.148033, 2025.2.148048, 2025.1.148120, 2024.3.148430, 2024.2.148429 account takeover via predictable restore codes was possible

  • CVE-2026-3256CriMar 28, 2026
    risk 0.64cvss 9.8epss 0.01

    HTTP::Session versions before 0.54 for Perl defaults to using insecurely generated session ids. HTTP::Session defaults to using HTTP::Session::ID::SHA1 to generate session ids using a SHA-1 hash seeded with the built-in rand function, the high resolution epoch time, and the…

  • CVE-2025-15578CriFeb 16, 2026
    risk 0.64cvss 9.8epss 0.00

    Maypole versions from 2.10 through 2.13 for Perl generates session ids insecurely. The session id is seeded with the system time (which is available from HTTP response headers), a call to the built-in rand() function, and the PID.

  • CVE-2025-7394CriJul 18, 2025
    risk 0.64cvss 9.8epss 0.00

    In the OpenSSL compatibility layer implementation, the function RAND_poll() was not behaving as expected and leading to the potential for predictable values returned from RAND_bytes() after fork() is called. This can lead to weak or predictable random numbers generated in…

  • CVE-2025-3495CriApr 16, 2025
    risk 0.64cvss 9.8epss 0.01

    Delta Electronics COMMGR v1 and v2 uses insufficiently randomized values to generate session IDs (CWE-338). An attacker could easily brute force a session ID and load and execute arbitrary code.

  • CVE-2024-40762CriJan 9, 2025
    risk 0.64cvss 9.8epss 0.01

    Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) in the SonicOS SSLVPN authentication token generator that, in certain cases, can be predicted by an attacker potentially resulting in authentication bypass.

  • CVE-2023-36993CriJul 7, 2023
    risk 0.64cvss 9.8epss 0.01

    The cryptographically insecure random number generator being used in TravianZ 8.3.4 and 8.3.3 in the password reset function allows an attacker to guess the password reset.parameters and to take over accounts.

  • CVE-2023-2884CriMay 25, 2023
    risk 0.64cvss 9.8epss 0.01

    Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG), Use of Insufficiently Random Values vulnerability in CBOT Chatbot allows Signature Spoofing by Key Recreation. This issue affects Chatbot: before Core: v4.0.3.4 Panel: v4.0.3.7.

  • CVE-2022-44796CriNov 7, 2022
    risk 0.64cvss 9.8epss 0.01

    An issue was discovered in Object First Ootbi BETA build 1.0.7.712. The authorization service has a flow that allows getting access to the Web UI without knowing credentials. For signing, the JWT token uses a secret key that is generated through a function that doesn't produce…

  • CVE-2011-4574CriOct 27, 2021
    risk 0.64cvss 9.8epss 0.01

    PolarSSL versions prior to v1.1 use the HAVEGE random number generation algorithm. At its heart, this uses timing information based on the processor's high resolution timer (the RDTSC instruction). This instruction can be virtualized, and some virtual machine hosts have chosen…

  • CVE-2019-14480CriDec 16, 2020
    risk 0.64cvss 9.8epss 0.01

    AdRem NetCrunch 10.6.0.4587 has an Improper Session Handling vulnerability in the NetCrunch web client, which can lead to an authentication bypass or escalation of privileges.

  • CVE-2020-28642CriNov 16, 2020
    risk 0.64cvss 9.8epss 0.03

    In InfiniteWP Admin Panel before 3.1.12.3, resetPasswordSendMail generates a weak password-reset code, which makes it easier for remote attackers to conduct admin Account Takeover attacks.

  • CVE-2015-9435CriSep 26, 2019
    risk 0.64cvss 9.8epss 0.02

    The oauth2-provider plugin before 3.1.5 for WordPress has incorrect generation of random numbers.

  • CVE-2017-18021CriJan 5, 2018
    risk 0.64cvss 9.8epss 0.02

    It was discovered that QtPass before 1.2.1, when using the built-in password generator, generates possibly predictable and enumerable passwords. This only applies to the QtPass GUI.

  • CVE-2026-42155CriMay 15, 2026
    risk 0.60cvss epss 0.00

    Magento Long Term Support (LTS) is an unofficial, community-driven project provides an alternative to the Magento Community Edition e-commerce platform with a high level of backward compatibility. Prior to 20.18.0, the XML-RPC / SOAP API session ID is generated using an…

  • CVE-2026-9733CriJun 23, 2026
    risk 0.59cvss 9.1epss 0.00

    Mojolicious::Plugin::Web::Auth::OAuth2 versions through 0.17 for Perl have an insecure default state parameter. When no state generator is specified in the constructor, the module defaults to using a SHA-1 hash of predictable and low-entropy sources, including the epoch time…

  • CVE-2026-11832CriJun 15, 2026
    risk 0.59cvss 9.1epss 0.00

    Dancer2::Plugin::Auth::OAuth versions before 0.22 for Perl default to a predictable nonce. The default nonce was generated using an MD5 hash of the epoch time, which is predictable.

  • CVE-2026-5085CriApr 13, 2026
    risk 0.59cvss 9.1epss 0.00

    Solstice::Session versions through 1440 for Perl generates session ids insecurely. The _generateSessionID method returns an MD5 digest seeded by the epoch time, a random hash reference, a call to the built-in rand() function and the process id. The same method is used in the…