CWE-203
Observable Discrepancy
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)
page 16 of 39| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2021-26313 | Med | 0.36 | 5.5 | 0.00 | Jun 9, 2021 | 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-2021-29415 | Med | 0.36 | 5.5 | 0.00 | May 21, 2021 | 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-2021-0321 | Med | 0.36 | 5.5 | 0.00 | Jan 11, 2021 | 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-2020-27026 | Med | 0.36 | 5.5 | 0.00 | Dec 15, 2020 | 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-2020-0464 | Med | 0.36 | 5.5 | 0.00 | Dec 14, 2020 | 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-2020-12912 | Med | 0.36 | 5.5 | 0.00 | Nov 12, 2020 | 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-2020-8695 | Med | 0.36 | 5.5 | 0.00 | Nov 12, 2020 | 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-2020-16150 | Med | 0.36 | 5.5 | 0.00 | Sep 2, 2020 | 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-2019-19338 | Med | 0.36 | 5.5 | 0.00 | Jul 13, 2020 | 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-2020-13844 | Med | 0.36 | 5.5 | 0.01 | Jun 8, 2020 | 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-2019-14067 | Med | 0.36 | 5.5 | 0.00 | Jun 2, 2020 | 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-2019-14007 | Med | 0.36 | 5.5 | 0.00 | Apr 16, 2020 | 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-2019-10483 | Med | 0.36 | 5.5 | 0.00 | Apr 16, 2020 | 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-2019-9472 | Med | 0.36 | 5.5 | 0.00 | Jan 6, 2020 | 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-2018-16868 | Med | 0.36 | 5.6 | 0.01 | Dec 3, 2018 | 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-2026-28490 | Med | 0.35 | 6.5 | 0.00 | Mar 16, 2026 | 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-2025-59716 | Med | 0.35 | 5.3 | 0.01 | Nov 5, 2025 | 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-2024-36510 | Med | 0.35 | 5.3 | 0.01 | Jan 14, 2025 | 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-2020-26062 | Med | 0.35 | 5.3 | 0.01 | Nov 18, 2024 | 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-2024-48644 | Med | 0.35 | 5.3 | 0.01 | Oct 22, 2024 | 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… |
- 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.
- 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…
- 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…
- 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:…
- 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:…
- 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…
- 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.
- 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.
- 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…
- 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."
- 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,…
- 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,…
- 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…
- 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…
- 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…
- 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…
- 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…
- 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…
- 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…
- 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…