CWE-203
826 CVEs • Abstraction: Base
Observable Discrepancy
The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.
CVEs (826)
CVE VENDORS PRODUCTS UPDATED PUBLISHED CVSS |
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An attacker with physical access to Nuvoton Trusted Platform Module (NPCT75x 7.2.x before 7.2.2.0) could extract an Elliptic Curve Cryptography (ECC) private key via a side-channel attack against ECDSA, because of an Obs...Show more |
net/netfilter/nf_conntrack_standalone.c in the Linux kernel before 5.12.2 allows observation of changes in any net namespace because these changes are leaked into all other net namespaces. This is related to the NF_SYSCT...Show more |
2Quarkus Redhat13Build Of Quarkus Codeready StudioData Grid+10 moreJun 17, 2026 Aug 5, 2021 N/A· v4 5.3 MEDIUM· v3 3.5 LOW· v2 A flaw was found in Wildfly Elytron in versions prior to 1.10.14.Final, prior to 1.15.5.Final and prior to 1.16.1.Final where ScramServer may be susceptible to Timing Attack if enabled. The highest threat of this vulnera...Show more |
common/password.c in Pengutronix barebox through 2021.07.0 leaks timing information because strncmp is used during hash comparison. |
1Mbconnectline 2Mbconnect24 Mymbconnect24Jun 17, 2026 Aug 2, 2021 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 In MB connect line mymbCONNECT24, mbCONNECT24 in versions <= 2.8.0 an unauthenticated user can enumerate valid users by checking what kind of response the server sends. |
3Debian FedoraprojectLinux3Debian Linux FedoraLinux KernelOct 8, 2026 Aug 2, 2021 N/A· v4 5.5 MEDIUM· v3 2.1 LOW· v2 In the Linux kernel through 5.13.7, an unprivileged BPF program can obtain sensitive information from kernel memory via a Speculative Store Bypass side-channel attack because the protection mechanism neglects the possibi...Show more |
3Debian FedoraprojectLinux3Debian Linux FedoraLinux KernelOct 8, 2026 Aug 2, 2021 N/A· v4 5.5 MEDIUM· v3 2.1 LOW· v2 In the Linux kernel through 5.13.7, an unprivileged BPF program can obtain sensitive information from kernel memory via a Speculative Store Bypass side-channel attack because a certain preempting store operation does not...Show more |
1Meow Hash Project 1Meow Hash Jun 17, 2026 Jul 30, 2021 N/A· v4 5.3 MEDIUM· v3 5.0 MEDIUM· v2 Meow hash 0.5/calico does not sufficiently thwart key recovery by an attacker who can query whether there's a collision in the bottom bits of the hashes of two messages, as demonstrated by an attack against a long-runnin...Show more |
An exposure of sensitive information vulnerability exists in TCExam <= 14.8.1. If a password reset request was made for an email address that was not registered with a user then we would be presented with an ‘unknown ema...Show more |
2Arm Debian2Debian Linux Mbed TlsJun 17, 2026 Jul 19, 2021 N/A· v4 4.7 MEDIUM· v3 1.9 LOW· v2 An issue was discovered in Arm Mbed TLS before 2.24.0. An attacker can recover a private key (for RSA or static Diffie-Hellman) via a side-channel attack against generation of base blinding/unblinding values. |
2Arm Debian2Debian Linux Mbed TlsJun 17, 2026 Jul 19, 2021 N/A· v4 5.3 MEDIUM· v3 5.0 MEDIUM· v2 An issue was discovered in Arm Mbed TLS before 2.23.0. A side channel allows recovery of an ECC private key, related to mbedtls_ecp_check_pub_priv, mbedtls_pk_parse_key, mbedtls_pk_parse_keyfile, mbedtls_ecp_mul, and mbe...Show more |
2Arm Debian2Debian Linux Mbed TlsJun 17, 2026 Jul 19, 2021 N/A· v4 5.3 MEDIUM· v3 5.0 MEDIUM· v2 An issue was discovered in Arm Mbed TLS before 2.23.0. Because of a side channel in modular exponentiation, an RSA private key used in a secure enclave could be disclosed. |
In Apache Teaclave Rust SGX SDK 1.1.3, 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-...Show more |
3Arm DebianFedoraproject3Debian Linux FedoraMbed TlsJun 17, 2026 Jul 14, 2021 N/A· v4 4.9 MEDIUM· v3 4.0 MEDIUM· v2 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-ch...Show more |
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 attac...Show more |
Observable behavioral discrepancy vulnerability in QSAN Storage Manager allows remote attackers to obtain the system information without permissions. Suggest contacting with QSAN and refer to recommendations in QSAN Docu...Show more |
3Debian FedoraprojectIntel7Celeron Processors Firmware Core Processors FirmwareDebian Linux+4 moreJun 17, 2026 Jun 9, 2021 N/A· v4 6.5 MEDIUM· v3 2.1 LOW· v2 Observable response discrepancy in some Intel(R) Processors may allow an authorized user to potentially enable information disclosure via local access. |
2Fedoraproject Intel7Brand Verification Tool Celeron Processors FirmwareCore Processors Firmware+4 moreJun 17, 2026 Jun 9, 2021 N/A· v4 6.5 MEDIUM· v3 2.1 LOW· v2 Observable response discrepancy in floating-point operations for some Intel(R) Processors may allow an authorized user to potentially enable information disclosure via local access. |
1Intel 4Integrated Performance Primitives Cryptography Sgx DcapSgx Psw+1 moreJun 17, 2026 Jun 9, 2021 N/A· v4 4.7 MEDIUM· v3 2.1 LOW· v2 Observable timing discrepancy in Intel(R) IPP before version 2020 update 1 may allow authorized user to potentially enable information disclosure via local access. |
3Debian IntelNetapp5Debian Linux Fas/aff BiosHci Compute Node Bios+2 moreOct 8, 2026 Jun 9, 2021 N/A· v4 3.3 LOW· v3 2.1 LOW· v2 Observable timing discrepancy in some Intel(R) Processors may allow an authenticated user to potentially enable information disclosure via local access. |