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Showing 15 vulnerabilities on this page

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VulnerabilityTitle and contextCVSSEPSSPoCsSignals

ntopng Predictable Session Identifier Leading to Session Hijacking

ntopng through 6.6 is vulnerable to Predictable Session Identifier which can lead to Session Hijacking. HTTP session identifiers in src/HTTPserver.cpp use weak time-seeded pseudo-randomness during session creation. As a result, fresh authenticated logins can receive deterministic or colliding session cookies under attacker-controlled timing.

CWE-341Jul 2, 2026
CVSS9.8v3.1EPSS0.379%PoCs0SignalsSTIX

Mercusys AC12G (EU) V1 Static Authentication Nonce and Predictable Password Encoding

Mercusys AC12G (EU) V1 router with firmware AC12G(EU)_V1_200909 uses a static authentication nonce that does not change between requests from the same source IP. Combined with the predictable XOR-based password encoding (securityEncode function), this allows an attacker to reverse captured authentication tokens to recover the plaintext password.

CWE-327CWE-341Jun 3, 2026
CVSS7.3v3.1EPSS0.166%PoCs0SignalsSTIX

Apache::Session::Generate::ModUniqueId versions from 1.54 through 1.94 for Perl session ids are insecure

Apache::Session::Generate::ModUniqueId versions from 1.54 through 1.94 for Perl session ids are insecure. Apache::Session::Generate::ModUniqueId (added in version 1.54) uses the value of the UNIQUE_ID environment variable for the session id. The UNIQUE_ID variable is set by the Apache mod_unique_id plugin, which generates unique ids for the request. The id is based on the IPv4 address, the process id, the epoch time, a 16-bit counter and a thread index, with no obfuscation. The server IP is of…

CWE-340CWE-341May 6, 2026
CVSS9.1v3.1EPSS0.302%PoCs0SignalsSTIX

GeoVision LPC2011/LPC2211 Web Interface guessable session cookie vulnerability

A guessable session cookie vulnerability exists in the Web Interface functionality of GeoVision LPC2011/LPC2211 1.10. A specially crafted series of HTTP requests can lead to an authentication bypas. An attacker can bruteforce session cookies to trigger this vulnerability.

CWE-341May 4, 2026
CVSS8.6v3.1EPSS0.343%PoCs0SignalsSTIX

jq: Algorithmic complexity DoS via hardcoded MurmurHash3 seed

jq is a command-line JSON processor. Before commit 0c7d133c3c7e37c00b6d46b658a02244fdd3c784, jq used MurmurHash3 with a hardcoded, publicly visible seed (0x432A9843) for all JSON object hash table operations, which allowed an attacker to precompute key collisions offline. By supplying a crafted JSON object (~100 KB) where all keys hashed to the same bucket, hash table lookups degraded from O(1) to O(n), turning any jq expression into an O(n²) operation and causing significant CPU exhaustion. Thi…

CWE-328CWE-341CWE-407Apr 13, 2026
CVSS7.5v3.1EPSS0.366%PoCs0SignalsSTIX

Cache poisoning due to weak PRNG

In specific circumstances, due to a weakness in the Pseudo Random Number Generator (PRNG) that is used, it is possible for an attacker to predict the source port and query ID that BIND will use. This issue affects BIND 9 versions 9.16.0 through 9.16.50, 9.18.0 through 9.18.39, 9.20.0 through 9.20.13, 9.21.0 through 9.21.12, 9.16.8-S1 through 9.16.50-S1, 9.18.11-S1 through 9.18.39-S1, and 9.20.9-S1 through 9.20.13-S1.

CWE-341Oct 22, 2025
CVSS8.6v3.1EPSS0.464%PoCs0SignalsSTIX

Predictable Object Identifier vulnerability in SAP NetWeaver AS Java (IIOP Service)

Due to the lack of randomness in assigning Object Identifiers in the SAP NetWeaver AS JAVA IIOP service, an authenticated attacker with low privileges could predict the identifiers by conducting a brute force search. By leveraging knowledge of several identifiers generated close to the same time, the attacker could determine a desired identifier which could enable them to access limited system information. This poses a low risk to confidentiality without impacting the integrity or availability o…

CWE-341Sep 9, 2025
CVSS4.3v3.1EPSS0.234%PoCs0SignalsSTIX

Weak Session Cookie Entropy

Successful exploitation of the vulnerability could allow an unauthenticated attacker to conduct brute force guessing and account takeover as the session cookies are predictable, potentially allowing the attackers to gain root, admin or user access and reset passwords.

CWE-341Jun 24, 2025
CVSS5.0v3.1EPSS0.43%PoCs1SignalsSTIX

jsbroks COCO Annotator Session predictable state

A vulnerability, which was classified as problematic, was found in jsbroks COCO Annotator 0.11.1. This affects an unknown part of the component Session Handler. The manipulation of the argument SECRET_KEY leads to predictable from observable state. It is possible to initiate the attack remotely. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been disclosed to the public and may be used.

CWE-341Oct 19, 2024
CVSS6.3v4.0EPSS0.814%PoCs0SignalsSTIX

Bruteforcing authentication cookie for a given user

The authentication cookies are generated using an algorithm based on the username, hardcoded secret and the up-time, and can be guessed in a reasonable time.

CWE-327CWE-341Jan 12, 2024
CVSS7.5v3.1EPSS0.305%PoCs0SignalsSTIX

fredsmith utils Filename screenshot_sync predictable state

A vulnerability, which was classified as problematic, has been found in fredsmith utils. This issue affects some unknown processing of the file screenshot_sync of the component Filename Handler. The manipulation leads to predictable from observable state. The name of the patch is dbab1b66955eeb3d76b34612b358307f5c4e3944. It is recommended to apply a patch to fix this issue. The identifier VDB-216749 was assigned to this vulnerability.

CWE-330CWE-341Dec 25, 2022
CVSS2.6v3.1EPSS0.452%PoCs0SignalsSTIX

Dell EMC Isilon versions 8.2.2 and earlier contain a remotesupport vulnerability. The pre-configured support account, remotesupport, is bundled in the Dell EMC Isilon OneFS installation. This account is used for diagnostics and other support functions. Although the default password is different for every cluster, it is predictable.

CWE-330CWE-341May 20, 2020
CVSS5.3v3.1EPSS0.994%PoCs0SignalsSTIX

Predictable password in Keycloak

A flaw was found in all versions of the Keycloak operator, before version 8.0.2,(community only) where the operator generates a random admin password when installing Keycloak, however the password remains the same when deployed to the same OpenShift namespace.

CWE-330CWE-341Mar 2, 2020
CVSS9.1v3.1EPSS1.28%PoCs0SignalsSTIX

Moxa IKS and EDS generate a predictable cookie calculated with an MD5 hash, allowing an attacker to capture the administrator's password, which could lead to a full compromise of the device.

CWE-341CWE-916Mar 5, 2019
CVSS9.8v3.1EPSS1.75%PoCs0SignalsSTIX

All versions of Hangzhou Xiongmai Technology Co., Ltd XMeye P2P Cloud Server may allow an attacker to use MAC addresses to enumerate potential Cloud IDs. Using this ID, the attacker can discover and connect to valid devices using one of the supported apps.

CWE-200CWE-341Oct 10, 2018
CVSS5.3v3.0EPSS1.25%PoCs0SignalsSTIX