VYPR

CWE-203

Observable Discrepancy

BaseIncomplete

Description

The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor.

Hierarchy (View 1000)

Related attack patterns (CAPEC)

CAPEC-189

CVEs mapped to this weakness (798)

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  • CVE-2019-19338MedJul 13, 2020
    risk 0.36cvss 5.5epss 0.00

    A flaw was found in the fix for CVE-2019-11135, in the Linux upstream kernel versions before 5.5 where, the way Intel CPUs handle speculative execution of instructions when a TSX Asynchronous Abort (TAA) error occurs. When a guest is running on a host CPU affected by the TAA…

  • CVE-2020-13844MedJun 8, 2020
    risk 0.36cvss 5.5epss 0.01

    Arm Armv8-A core implementations utilizing speculative execution past unconditional changes in control flow may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis, aka "straight-line speculation."

  • CVE-2019-14067MedJun 2, 2020
    risk 0.36cvss 5.5epss 0.00

    Using non-time-constant functions like memcmp to compare sensitive data can lead to information leakage through timing side channel issue. in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT,…

  • CVE-2019-14007MedApr 16, 2020
    risk 0.36cvss 5.5epss 0.00

    Due to the use of non-time-constant comparison functions there is issue in timing side channels which can be used as a potential side channel for SUI corruption in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT,…

  • CVE-2019-10483MedApr 16, 2020
    risk 0.36cvss 5.5epss 0.00

    Side channel issue in QTEE due to usage of non-time-constant comparison function such as memcmp or strcmp in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon…

  • CVE-2019-9472MedJan 6, 2020
    risk 0.36cvss 5.5epss 0.00

    In DCRYPTO_equals of compare.c, there is a possible timing attack due to improperly used crypto. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation. Product: Android Versions: Android…

  • CVE-2018-16868MedDec 3, 2018
    risk 0.36cvss 5.6epss 0.01

    A Bleichenbacher type side-channel based padding oracle attack was found in the way gnutls handles verification of RSA decrypted PKCS#1 v1.5 data. An attacker who is able to run process on the same physical core as the victim process, could use this to extract plaintext or in…

  • CVE-2026-28490MedMar 16, 2026
    risk 0.35cvss 6.5epss 0.00

    Authlib is a Python library which builds OAuth and OpenID Connect servers. Prior to version 1.6.9, a cryptographic padding oracle vulnerability was identified in the Authlib Python library concerning the implementation of the JSON Web Encryption (JWE) RSA1_5 key management…

  • CVE-2025-59716MedNov 5, 2025
    risk 0.35cvss 5.3epss 0.01

    ownCloud Guests before 0.12.5 allows unauthenticated user enumeration via the /apps/guests/register/{email}/{token} endpoint. Because of insufficient validation of the supplied token in showPasswordForm, the server responds differently when an e-mail address corresponds to a…

  • CVE-2024-36510MedJan 14, 2025
    risk 0.35cvss 5.3epss 0.01

    An observable response discrepancy vulnerability [CWE-204] in FortiClientEMS 7.4.0, 7.2.0 through 7.2.4, 7.0 all versions, and FortiSOAR 7.5.0, 7.4.0 through 7.4.4, 7.3.0 through 7.3.2, 7.2 all versions, 7.0 all versions, 6.4 all versions may allow an unauthenticated attacker to…

  • CVE-2020-26062MedNov 18, 2024
    risk 0.35cvss 5.3epss 0.01

    A vulnerability in Cisco Integrated Management Controller could allow an unauthenticated, remote attacker to enumerate valid usernames within the vulnerable application. The vulnerability is due to differences in authentication responses sent back from the application as…

  • CVE-2024-48644MedOct 22, 2024
    risk 0.35cvss 5.3epss 0.01

    Accounts enumeration vulnerability in the Login Component of Reolink Duo 2 WiFi Camera (Firmware Version v3.0.0.1889_23031701) allows remote attackers to determine valid user accounts via login attempts. This can lead to the enumeration of user accounts and potentially…

  • CVE-2023-46739MedJan 3, 2024
    risk 0.35cvss 6.5epss 0.00

    CubeFS is an open-source cloud-native file storage system. A vulnerability was found during in the CubeFS master component in versions prior to 3.3.1 that could allow an untrusted attacker to steal user passwords by carrying out a timing attack. The root case of the…

  • CVE-2023-47102MedNov 7, 2023
    risk 0.35cvss 5.3epss 0.01

    UrBackup Server 2.5.31 allows brute-force enumeration of user accounts because a failure message confirms that a username is not valid.

  • CVE-2023-5722MedOct 25, 2023
    risk 0.35cvss 5.3epss 0.01

    Using iterative requests an attacker was able to learn the size of an opaque response, as well as the contents of a server-supplied Vary header. This vulnerability affects Firefox < 119.

  • CVE-2023-44216MedSep 27, 2023
    risk 0.35cvss 5.3epss 0.02

    PVRIC (PowerVR Image Compression) on Imagination 2018 and later GPU devices offers software-transparent compression that enables cross-origin pixel-stealing attacks against feTurbulence and feBlend in the SVG Filter specification, aka a GPU.zip issue. For example, attackers can…

  • CVE-2023-23449MedMay 15, 2023
    risk 0.35cvss 5.3epss 0.01

    Observable Response Discrepancy in SICK FTMg AIR FLOW SENSOR with Partnumbers 1100214, 1100215, 1100216, 1120114, 1120116, 1122524, 1122526 allows a remote attacker to gain information about valid usernames by analyzing challenge responses from the server via the REST interface.

  • CVE-2023-30458MedApr 24, 2023
    risk 0.35cvss 5.3epss 0.01

    A username enumeration issue was discovered in Medicine Tracker System 1.0. The login functionality allows a malicious user to guess a valid username due to a different response time from invalid usernames. When one enters a valid username, the response time increases depending…

  • CVE-2022-30332MedJan 10, 2023
    risk 0.35cvss 5.3epss 0.01

    In Talend Administration Center 7.3.1.20200219 before TAC-15950, the Forgot Password feature provides different error messages for invalid reset attempts depending on whether the email address is associated with any account. This allows remote attackers to enumerate accounts via…

  • CVE-2022-41765MedDec 26, 2022
    risk 0.35cvss 5.3epss 0.01

    An issue was discovered in MediaWiki before 1.35.8, 1.36.x and 1.37.x before 1.37.5, and 1.38.x before 1.38.3. HTMLUserTextField exposes the existence of hidden users.