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 24 of 39| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2024-7881 | Med | 0.33 | 5.1 | 0.00 | Jan 28, 2025 | An unprivileged context can trigger a data memory-dependent prefetch engine to fetch the contents of a privileged location and consume those contents as an address that is also dereferenced. | ||
| CVE-2024-10929 | Med | 0.33 | 5.1 | 0.00 | Jan 22, 2025 | In certain circumstances, an issue in Arm Cortex-A57, Cortex-A72 (revisions before r1p0), Cortex-A73 and Cortex-A75 may allow an adversary to gain a weak form of control over the victim's branch history. | ||
| CVE-2020-35165 | Med | 0.33 | 5.1 | 0.00 | May 22, 2024 | Dell BSAFE Crypto-C Micro Edition, versions before 4.1.5, and Dell BSAFE Micro Edition Suite, versions before 4.6, contain an Observable Timing Discrepancy Vulnerability. | ||
| CVE-2024-24766 | Med | 0.33 | 6.2 | 0.01 | Mar 6, 2024 | CasaOS-UserService provides user management functionalities to CasaOS. Starting in version 0.4.4.3 and prior to version 0.4.7, the Casa OS Login page disclosed the username enumeration vulnerability in the login page. An attacker can enumerate the CasaOS username using the… | ||
| CVE-2023-50708 | Med | 0.33 | 6.1 | 0.01 | Dec 22, 2023 | yii2-authclient is an extension that adds OpenID, OAuth, OAuth2 and OpenId Connect consumers for the Yii framework 2.0. In yii2-authclient prior to version 2.2.15, the Oauth1/2 `state` and OpenID Connect `nonce` is vulnerable for a `timing attack` since it is compared via… | ||
| CVE-2019-1559 | Med | 0.33 | 5.9 | 0.17 | Feb 27, 2019 | If an application encounters a fatal protocol error and then calls SSL_shutdown() twice (once to send a close_notify, and once to receive one) then OpenSSL can respond differently to the calling application if a 0 byte record is received with invalid padding compared to if a 0… | ||
| CVE-2021-24119 | Med | 0.32 | 4.9 | 0.01 | Jul 14, 2021 | In Trusted Firmware Mbed TLS 2.24.0, a side-channel vulnerability in base64 PEM file decoding allows system-level (administrator) attackers to obtain information about secret RSA keys via a controlled-channel and side-channel attack on software running in isolated environments… | ||
| CVE-2021-24116 | Med | 0.32 | 4.9 | 0.01 | Jul 14, 2021 | In wolfSSL through 4.6.0, a side-channel vulnerability in base64 PEM file decoding allows system-level (administrator) attackers to obtain information about secret RSA keys via a controlled-channel and side-channel attack on software running in isolated environments that can be… | ||
| CVE-2021-33880 | Med | 0.32 | 5.9 | 0.02 | Jun 6, 2021 | The aaugustin websockets library before 9.1 for Python has an Observable Timing Discrepancy on servers when HTTP Basic Authentication is enabled with basic_auth_protocol_factory(credentials=...). An attacker may be able to guess a password via a timing attack. | ||
| CVE-2018-1000119 | Med | 0.32 | 5.9 | 0.02 | Mar 7, 2018 | Sinatra rack-protection versions 1.5.4 and 2.0.0.rc3 and earlier contains a timing attack vulnerability in the CSRF token checking that can result in signatures can be exposed. This attack appear to be exploitable via network connectivity to the ruby application. This… | ||
| CVE-2016-0762 | Med | 0.32 | 5.9 | 0.08 | Aug 10, 2017 | The Realm implementations in Apache Tomcat versions 9.0.0.M1 to 9.0.0.M9, 8.5.0 to 8.5.4, 8.0.0.RC1 to 8.0.36, 7.0.0 to 7.0.70 and 6.0.0 to 6.0.45 did not process the supplied password if the supplied user name did not exist. This made a timing attack possible to determine valid… | ||
| CVE-2026-3579 | Med | 0.31 | 5.9 | 0.00 | Mar 19, 2026 | wolfSSL 5.8.4 on RISC-V RV32I architectures lacks a constant-time software implementation for 64-bit multiplication. The compiler-inserted __muldi3 subroutine executes in variable time based on operand values. This affects multiple SP math functions (sp_256_mul_9, sp_256_sqr_9,… | ||
| CVE-2024-30171 | Med | 0.31 | 5.9 | 0.01 | May 14, 2024 | An issue was discovered in Bouncy Castle Java TLS API and JSSE Provider before 1.78. Timing-based leakage may occur in RSA based handshakes because of exception processing. | ||
| CVE-2023-52323 | Med | 0.31 | 5.9 | 0.01 | Jan 5, 2024 | PyCryptodome and pycryptodomex before 3.19.1 allow side-channel leakage for OAEP decryption, exploitable for a Manger attack. | ||
| CVE-2023-20569 | Med | 0.31 | 4.7 | 0.07 | Aug 8, 2023 | A side channel vulnerability on some of the AMD CPUs may allow an attacker to influence the return address prediction. This may result in speculative execution at an attacker-controlled address, potentially leading to information disclosure. | ||
| CVE-2023-20583 | Med | 0.31 | 4.7 | 0.00 | Aug 1, 2023 | A potential power side-channel vulnerability in AMD processors may allow an authenticated attacker to monitor the CPU power consumption as the data in a cache line changes over time potentially resulting in a leak of sensitive information. | ||
| CVE-2022-34704 | Med | 0.31 | 4.7 | 0.01 | Aug 9, 2022 | Windows Defender Credential Guard Information Disclosure Vulnerability | ||
| CVE-2021-26318 | Med | 0.31 | 4.7 | 0.00 | Oct 13, 2021 | A timing and power-based side channel attack leveraging the x86 PREFETCH instructions on some AMD CPUs could potentially result in leaked kernel address space information. | ||
| CVE-2021-0001 | Med | 0.31 | 4.7 | 0.00 | Jun 9, 2021 | Observable timing discrepancy in Intel(R) IPP before version 2020 update 1 may allow authorized user to potentially enable information disclosure via local access. | ||
| CVE-2020-12401 | Med | 0.31 | 4.7 | 0.00 | Oct 8, 2020 | During ECDSA signature generation, padding applied in the nonce designed to ensure constant-time scalar multiplication was removed, resulting in variable-time execution dependent on secret data. This vulnerability affects Firefox < 80 and Firefox for Android < 80. |
- risk 0.33cvss 5.1epss 0.00
An unprivileged context can trigger a data memory-dependent prefetch engine to fetch the contents of a privileged location and consume those contents as an address that is also dereferenced.
- risk 0.33cvss 5.1epss 0.00
In certain circumstances, an issue in Arm Cortex-A57, Cortex-A72 (revisions before r1p0), Cortex-A73 and Cortex-A75 may allow an adversary to gain a weak form of control over the victim's branch history.
- risk 0.33cvss 5.1epss 0.00
Dell BSAFE Crypto-C Micro Edition, versions before 4.1.5, and Dell BSAFE Micro Edition Suite, versions before 4.6, contain an Observable Timing Discrepancy Vulnerability.
- risk 0.33cvss 6.2epss 0.01
CasaOS-UserService provides user management functionalities to CasaOS. Starting in version 0.4.4.3 and prior to version 0.4.7, the Casa OS Login page disclosed the username enumeration vulnerability in the login page. An attacker can enumerate the CasaOS username using the…
- risk 0.33cvss 6.1epss 0.01
yii2-authclient is an extension that adds OpenID, OAuth, OAuth2 and OpenId Connect consumers for the Yii framework 2.0. In yii2-authclient prior to version 2.2.15, the Oauth1/2 `state` and OpenID Connect `nonce` is vulnerable for a `timing attack` since it is compared via…
- risk 0.33cvss 5.9epss 0.17
If an application encounters a fatal protocol error and then calls SSL_shutdown() twice (once to send a close_notify, and once to receive one) then OpenSSL can respond differently to the calling application if a 0 byte record is received with invalid padding compared to if a 0…
- risk 0.32cvss 4.9epss 0.01
In Trusted Firmware Mbed TLS 2.24.0, a side-channel vulnerability in base64 PEM file decoding allows system-level (administrator) attackers to obtain information about secret RSA keys via a controlled-channel and side-channel attack on software running in isolated environments…
- risk 0.32cvss 4.9epss 0.01
In wolfSSL through 4.6.0, a side-channel vulnerability in base64 PEM file decoding allows system-level (administrator) attackers to obtain information about secret RSA keys via a controlled-channel and side-channel attack on software running in isolated environments that can be…
- risk 0.32cvss 5.9epss 0.02
The aaugustin websockets library before 9.1 for Python has an Observable Timing Discrepancy on servers when HTTP Basic Authentication is enabled with basic_auth_protocol_factory(credentials=...). An attacker may be able to guess a password via a timing attack.
- risk 0.32cvss 5.9epss 0.02
Sinatra rack-protection versions 1.5.4 and 2.0.0.rc3 and earlier contains a timing attack vulnerability in the CSRF token checking that can result in signatures can be exposed. This attack appear to be exploitable via network connectivity to the ruby application. This…
- risk 0.32cvss 5.9epss 0.08
The Realm implementations in Apache Tomcat versions 9.0.0.M1 to 9.0.0.M9, 8.5.0 to 8.5.4, 8.0.0.RC1 to 8.0.36, 7.0.0 to 7.0.70 and 6.0.0 to 6.0.45 did not process the supplied password if the supplied user name did not exist. This made a timing attack possible to determine valid…
- risk 0.31cvss 5.9epss 0.00
wolfSSL 5.8.4 on RISC-V RV32I architectures lacks a constant-time software implementation for 64-bit multiplication. The compiler-inserted __muldi3 subroutine executes in variable time based on operand values. This affects multiple SP math functions (sp_256_mul_9, sp_256_sqr_9,…
- risk 0.31cvss 5.9epss 0.01
An issue was discovered in Bouncy Castle Java TLS API and JSSE Provider before 1.78. Timing-based leakage may occur in RSA based handshakes because of exception processing.
- risk 0.31cvss 5.9epss 0.01
PyCryptodome and pycryptodomex before 3.19.1 allow side-channel leakage for OAEP decryption, exploitable for a Manger attack.
- risk 0.31cvss 4.7epss 0.07
A side channel vulnerability on some of the AMD CPUs may allow an attacker to influence the return address prediction. This may result in speculative execution at an attacker-controlled address, potentially leading to information disclosure.
- risk 0.31cvss 4.7epss 0.00
A potential power side-channel vulnerability in AMD processors may allow an authenticated attacker to monitor the CPU power consumption as the data in a cache line changes over time potentially resulting in a leak of sensitive information.
- risk 0.31cvss 4.7epss 0.01
Windows Defender Credential Guard Information Disclosure Vulnerability
- risk 0.31cvss 4.7epss 0.00
A timing and power-based side channel attack leveraging the x86 PREFETCH instructions on some AMD CPUs could potentially result in leaked kernel address space information.
- risk 0.31cvss 4.7epss 0.00
Observable timing discrepancy in Intel(R) IPP before version 2020 update 1 may allow authorized user to potentially enable information disclosure via local access.
- risk 0.31cvss 4.7epss 0.00
During ECDSA signature generation, padding applied in the nonce designed to ensure constant-time scalar multiplication was removed, resulting in variable-time execution dependent on secret data. This vulnerability affects Firefox < 80 and Firefox for Android < 80.