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 (762)

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  • CVE-2021-26313MedJun 9, 2021
    risk 0.36cvss 5.5epss 0.00

    Potential speculative code store bypass in all supported CPU products, in conjunction with software vulnerabilities relating to speculative execution of overwritten instructions, may cause an incorrect speculation and could result in data leakage.

  • CVE-2021-29415MedMay 21, 2021
    risk 0.36cvss 5.5epss 0.00

    The elliptic curve cryptography (ECC) hardware accelerator, part of the ARM® TrustZone® CryptoCell 310, contained in the NordicSemiconductor nRF52840 through 2021-03-29 has a non-constant time ECDSA implemenation. This allows an adversary to recover the private ECC key used…

  • CVE-2021-0321MedJan 11, 2021
    risk 0.36cvss 5.5epss 0.00

    In enforceDumpPermissionForPackage of ActivityManagerService.java, there is a possible way to determine if a package is installed due to side channel information disclosure. This could lead to local information disclosure with no additional execution privileges needed. User…

  • CVE-2020-27026MedDec 15, 2020
    risk 0.36cvss 5.5epss 0.00

    During boot, the device unlock interface behaves differently depending on if a fingerprint registered to the device is present. This could lead to local information disclosure with no additional execution privileges needed. User interaction is needed for exploitation.Product:…

  • CVE-2020-0464MedDec 14, 2020
    risk 0.36cvss 5.5epss 0.00

    In resolv_cache_lookup of res_cache.cpp, there is a possible side channel information disclosure. This could lead to local information disclosure of accessed web resources with no additional execution privileges needed. User interaction is not needed for exploitation.Product:…

  • CVE-2020-12912MedNov 12, 2020
    risk 0.36cvss 5.5epss 0.00

    A potential vulnerability in the AMD extension to Linux "hwmon" service may allow an attacker to use the Linux-based Running Average Power Limit (RAPL) interface to show various side channel attacks. In line with industry partners, AMD has updated the RAPL interface to require…

  • CVE-2020-8695MedNov 12, 2020
    risk 0.36cvss 5.5epss 0.00

    Observable discrepancy in the RAPL interface for some Intel(R) Processors may allow a privileged user to potentially enable information disclosure via local access.

  • CVE-2020-16150MedSep 2, 2020
    risk 0.36cvss 5.5epss 0.00

    A Lucky 13 timing side channel in mbedtls_ssl_decrypt_buf in library/ssl_msg.c in Trusted Firmware Mbed TLS through 2.23.0 allows an attacker to recover secret key information. This affects CBC mode because of a computed time difference based on a padding length.

  • 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…