Weakness (CWE)
CWE-340: Generation of Predictable Numbers or Identifiers
The product uses a scheme that generates numbers or identifiers that are more predictable than required.
Source: MITRE CWE-340
66 results · Feed
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High 8.9CVE-2025-69286 Public exploit
RAGFlow has Predictable Token Generation Leading to Authentication Bypass Vulnerability
RAGFlow is an open-source RAG (Retrieval-Augmented Generation) engine. In versions prior to 0.22.0, the use of an insecure key generation algorithm in the API key and beta (assistant/agent share auth) token generation process allows these tokens to be mutuall…
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High 8.7
Predictable Generation of Password Recovery Token
SOPlanning is vulnerable to Predictable Generation of Password Recovery Token. Due to weak mechanism of generating recovery tokens, a malicious attacker is able to brute-force all possible values and takeover any account in reasonable amount of time. This iss…
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Medium 5.3
BIG-IP TMM vulnerability
On BIG-IP systems, undisclosed traffic can cause data corruption and unauthorized data modification in protocols which do not have message integrity protection. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
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Medium 4.2
Weak Session Token used in Automation Runtime SDM
A Generation of Predictable Numbers or Identifiers vulnerability in the SDM component of B&R Automation Runtime versions before 6.4 may allow an unauthenticated network-based attacker to take over already established sessions.
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Medium 5.8
The YoSmart YoLink API through 2025-10-02 uses an endpoint URL that is derived from a device's MAC address along with a…
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Critical 9.1
Starch versions 0.14 and earlier generate session ids insecurely
Starch versions 0.14 and earlier generate session ids insecurely. The default session id generator returns a SHA-1 hash seeded with a counter, the epoch time, the built-in rand function, the PID, and internal Perl reference addresses. The PID will come from a…
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High 7.5
Apache::AuthAny::Cookie v0.201 or earlier for Perl generates session ids insecurely
Apache::AuthAny::Cookie v0.201 or earlier for Perl generates session ids insecurely. Session ids are generated using an MD5 hash of the epoch time and a call to the built-in rand function. The epoch time may be guessed, if it is not leaked from the HTTP Date …
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Medium 5.3
predictable WebSocket mask
curl's WebSocket code did not update the 32-bit mask pattern for each new outgoing frame as the specification says. Instead it used a fixed mask that persisted and was used throughout the entire connection. A predictable mask pattern allows for a malicious se…
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High 8.6
Catalyst::Authentication::Credential::HTTP versions 1.018 and earlier for Perl use insecurely generated nonces
Catalyst::Authentication::Credential::HTTP versions 1.018 and earlier for Perl generate nonces using the Perl Data::UUID library. * Data::UUID does not use a strong cryptographic source for generating UUIDs. * Data::UUID returns v3 UUIDs, which are generated …
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Medium 6.5
Catalyst::Plugin::Session before version 0.44 for Perl generates session ids insecurely
Catalyst::Plugin::Session before version 0.44 for Perl generates session ids insecurely. The session id is generated from a (usually SHA-1) hash of a simple counter, the epoch time, the built-in rand function, the PID and the current Catalyst context. This in…
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Medium 6.5
Authen::DigestMD5 versions 0.01 through 0.04 for Perl generate the cnonce insecurely
Authen::DigestMD5 versions 0.01 through 0.02 for Perl generate the cnonce insecurely. The cnonce (client nonce) is generated from an MD5 hash of the PID, the epoch time and the built-in rand function. The PID will come from a small set of numbers, and the epo…
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Medium 6.5
Authen::SASL::Perl::DIGEST_MD5 versions 2.04 through 2.1800 for Perl generates the cnonce insecurely
Authen::SASL::Perl::DIGEST_MD5 versions 2.04 through 2.1800 for Perl generates the cnonce insecurely. The cnonce (client nonce) is generated from an MD5 hash of the PID, the epoch time and the built-in rand function. The PID will come from a small set of numb…
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High 7.3
Plack-Middleware-Session before version 0.35 for Perl generates session ids insecurely
Plack-Middleware-Session before version 0.35 for Perl generates session ids insecurely. The default session id generator returns a SHA-1 hash seeded with the built-in rand function, the epoch time, and the PID. The PID will come from a small set of numbers, a…
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Medium 6.3
Weaknesses in the generation of TCP/UDP source ports and some other header values in Google's gVisor allowed them to be…
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Medium 5.5
pgAgent scheduled batch job scripts are created in a predictable temporary directory potentially allowing a denial of service
When batch jobs are executed by pgAgent, a script is created in a temporary directory and then executed. In versions of pgAgent prior to 4.2.3, an insufficiently seeded random number generator is used when generating the directory name, leading to the possibi…
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Medium 5.3
Advanced Google reCAPTCHA <= 1.25 - Brute Force Protection IP Unblock
The Advanced Google reCAPTCHA plugin for WordPress is vulnerable to IP unblocking in all versions up to, and including, 1.25. This is due to the plugin not utilizing a strong unique key when generating an unblock request. This makes it possible for unauthenti…
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Medium 6.7
Salt security advisory release - 2023-OCT-27
The Salt-SSH pre-flight option copies the script to the target at a predictable path, which allows an attacker to force Salt-SSH to run their script. If an attacker has access to the target VM and knows the path to the pre-flight script before it runs they ca…
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High 7.5
The PDF viewer macro allows accessing any attachment without access right checks
macro-pdfviewer is a PDF Viewer Macro for XWiki using Mozilla pdf.js. Any user with view right on XWiki.PDFViewerService can access any attachment stored in the wiki as the "key" that is passed to prevent this is computed incorrectly, calling skip on the dige…
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Critical 9.1
Predictable Session ID
The devices are vulnerable to session hijacking due to insufficient entropy in its session ID generation algorithm. The session IDs are predictable, with only 32,768 possible values per user, which allows attackers to pre-generate valid session IDs, leading t…
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High 8.7
JUJU_CONTEXT_ID is a predictable authentication secret
JUJU_CONTEXT_ID is a predictable authentication secret. On a Juju machine (non-Kubernetes) or Juju charm container (on Kubernetes), an unprivileged user in the same network namespace can connect to an abstract domain socket and guess the JUJU_CONTEXT_ID value…
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Medium 5.3
Generation of predictable identifiers issue exists in Cente middleware TCP/IP Network Series. If this vulnerability is …
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Medium 4.4
Default client side session signing key is highly predictable
Ratpack is a toolkit for creating web applications. In versions prior to 1.9.0, the client side session module uses the application startup time as the signing key by default. This means that if an attacker can determine this time, and if encryption is not al…
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High 7.8
Permissions bypass in pleaser
pleaseedit in please before 0.4 uses predictable temporary filenames in /tmp and the target directory. This allows a local attacker to gain full root privileges by staging a symlink attack.
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High 7.5
Predictable SIF UUID Identifiers
SIF is an open source implementation of the Singularity Container Image Format. The `siftool new` command and func siftool.New() produce predictable UUID identifiers due to insecure randomness in the version of the `github.com/satori/go.uuid` module used as a…
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Unscored —
Media ContentProvider URIs used for opening attachments in other apps were generated sequentially prior to WhatsApp for…
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Medium —
Puppet uses predictable filenames, allowing arbitrary file overwrite
Puppet 2.7.x before 2.7.5, 2.6.x before 2.6.11, and 0.25.x, when running in --edit mode, uses a predictable file name, which allows local users to run arbitrary Puppet code or trick a user into editing arbitrary files.