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 25 of 39| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2020-12400 | Med | 0.31 | 4.7 | 0.00 | Oct 8, 2020 | When converting coordinates from projective to affine, the modular inversion was not performed in constant time, resulting in a possible timing-based side channel attack. This vulnerability affects Firefox < 80 and Firefox for Android < 80. | ||
| CVE-2020-15237 | Med | 0.31 | 5.9 | 0.01 | Oct 5, 2020 | In Shrine before version 3.3.0, when using the `derivation_endpoint` plugin, it's possible for the attacker to use a timing attack to guess the signature of the derivation URL. The problem has been fixed by comparing sent and calculated signature in constant time, using… | ||
| CVE-2020-10932 | Med | 0.31 | 4.7 | 0.00 | Apr 15, 2020 | An issue was discovered in Arm Mbed TLS before 2.16.6 and 2.7.x before 2.7.15. An attacker that can get precise enough side-channel measurements can recover the long-term ECDSA private key by (1) reconstructing the projective coordinate of the result of scalar multiplication by… | ||
| CVE-2019-20399 | Med | 0.31 | 5.9 | 0.01 | Jan 23, 2020 | A timing vulnerability in the Scalar::check_overflow function in Parity libsecp256k1-rs before 0.3.1 potentially allows an attacker to leak information via a side-channel attack. | ||
| CVE-2019-15809 | Med | 0.31 | 4.7 | 0.00 | Oct 3, 2019 | Smart cards from the Athena SCS manufacturer, based on the Atmel Toolbox 00.03.11.05 and the AT90SC chip, contain a timing side channel in ECDSA signature generation. This allows a local attacker, able to measure the duration of hundreds to thousands of signing operations, to… | ||
| CVE-2019-13628 | Med | 0.31 | 4.7 | 0.00 | Oct 3, 2019 | wolfSSL and wolfCrypt 4.0.0 and earlier (when configured without --enable-fpecc, --enable-sp, or --enable-sp-math) contain a timing side channel in ECDSA signature generation. This allows a local attacker, able to precisely measure the duration of signature operations, to infer… | ||
| CVE-2023-41097 | Med | 0.30 | 4.6 | 0.00 | Dec 21, 2023 | An Observable Timing Discrepancy, Covert Timing Channel vulnerability in Silabs GSDK on ARM potentially allows Padding Oracle Crypto Attack on CBC PKCS7.This issue affects GSDK: through 4.4.0. | ||
| CVE-2019-18673 | Med | 0.30 | 4.6 | 0.00 | Nov 2, 2019 | On SHIFT BitBox02 devices, a side channel for the row-based OLED display was found. The power consumption of each row-based display cycle depends on the number of illuminated pixels, allowing a partial recovery of display contents. For example, a hardware implant in the USB… | ||
| CVE-2019-14360 | Med | 0.30 | 4.6 | 0.00 | Nov 2, 2019 | On Hyundai Pay Kasse HK-1000 devices, a side channel for the row-based OLED display was found. The power consumption of each row-based display cycle depends on the number of illuminated pixels, allowing a partial recovery of display contents. For example, a hardware implant in… | ||
| CVE-2019-14358 | Med | 0.30 | 4.6 | 0.00 | Nov 2, 2019 | On Archos Safe-T devices, a side channel for the row-based OLED display was found. The power consumption of each row-based display cycle depends on the number of illuminated pixels, allowing a partial recovery of display contents. For example, a hardware implant in the USB cable… | ||
| CVE-2020-10369 | Med | 0.29 | 5.5 | 0.00 | Nov 10, 2024 | Certain Cypress (and Broadcom) Wireless Combo chips, when a January 2021 firmware update is not present, allow inferences about memory content via a "Spectra" attack. | ||
| CVE-2020-10367 | Med | 0.29 | 5.5 | 0.00 | Nov 10, 2024 | Certain Cypress (and Broadcom) Wireless Combo chips, when a January 2021 firmware update is not present, allow memory access via a "Spectra" attack. | ||
| CVE-2024-23170 | Med | 0.29 | 5.5 | 0.00 | Jan 31, 2024 | An issue was discovered in Mbed TLS 2.x before 2.28.7 and 3.x before 3.5.2. There was a timing side channel in RSA private operations. This side channel could be sufficient for a local attacker to recover the plaintext. It requires the attacker to send a large number of messages… | ||
| CVE-2022-25332 | Med | 0.29 | 4.4 | 0.00 | Oct 19, 2023 | The AES implementation in the Texas Instruments OMAP L138 (secure variants), present in mask ROM, suffers from a timing side channel which can be exploited by an adversary with non-secure supervisor privileges by managing cache contents and collecting timing information for… | ||
| CVE-2020-12402 | Med | 0.29 | 4.4 | 0.00 | Jul 9, 2020 | During RSA key generation, bignum implementations used a variation of the Binary Extended Euclidean Algorithm which entailed significantly input-dependent flow. This allowed an attacker able to perform electromagnetic-based side channel attacks to record traces leading to the… | ||
| CVE-2020-12399 | Med | 0.29 | 4.4 | 0.01 | Jul 9, 2020 | NSS has shown timing differences when performing DSA signatures, which was exploitable and could eventually leak private keys. This vulnerability affects Thunderbird < 68.9.0, Firefox < 77, and Firefox ESR < 68.9. | ||
| CVE-2016-2178 | Med | 0.29 | 5.5 | 0.01 | Jun 20, 2016 | The dsa_sign_setup function in crypto/dsa/dsa_ossl.c in OpenSSL through 1.0.2h does not properly ensure the use of constant-time operations, which makes it easier for local users to discover a DSA private key via a timing side-channel attack. | ||
| CVE-2026-56319 | Med | 0.28 | 4.3 | 0.00 | Jun 20, 2026 | Capgo before 12.128.2 contains an information disclosure vulnerability in the GET /statistics/app/:app_id endpoint that allows app-limited API keys to distinguish existing sibling app IDs through differential error responses. Attackers can enumerate real app IDs outside their… | ||
| CVE-2023-5872 | Med | 0.28 | 4.3 | 0.00 | Apr 16, 2026 | In Wago Smart Designer in versions up to 2.33.1 a low privileged remote attacker may enumerate projects and usernames through iterative requests to an specific endpoint. | ||
| CVE-2026-23621 | Med | 0.28 | 4.3 | 0.00 | Feb 19, 2026 | GFI MailEssentials AI versions prior to 22.4 contain an arbitrary directory existence enumeration vulnerability in the ListServer.IsPathExist() web method exposed at /MailEssentials/pages/MailSecurity/ListServer.aspx/IsPathExist. An authenticated user can supply an unrestricted… |
- risk 0.31cvss 4.7epss 0.00
When converting coordinates from projective to affine, the modular inversion was not performed in constant time, resulting in a possible timing-based side channel attack. This vulnerability affects Firefox < 80 and Firefox for Android < 80.
- risk 0.31cvss 5.9epss 0.01
In Shrine before version 3.3.0, when using the `derivation_endpoint` plugin, it's possible for the attacker to use a timing attack to guess the signature of the derivation URL. The problem has been fixed by comparing sent and calculated signature in constant time, using…
- risk 0.31cvss 4.7epss 0.00
An issue was discovered in Arm Mbed TLS before 2.16.6 and 2.7.x before 2.7.15. An attacker that can get precise enough side-channel measurements can recover the long-term ECDSA private key by (1) reconstructing the projective coordinate of the result of scalar multiplication by…
- risk 0.31cvss 5.9epss 0.01
A timing vulnerability in the Scalar::check_overflow function in Parity libsecp256k1-rs before 0.3.1 potentially allows an attacker to leak information via a side-channel attack.
- risk 0.31cvss 4.7epss 0.00
Smart cards from the Athena SCS manufacturer, based on the Atmel Toolbox 00.03.11.05 and the AT90SC chip, contain a timing side channel in ECDSA signature generation. This allows a local attacker, able to measure the duration of hundreds to thousands of signing operations, to…
- risk 0.31cvss 4.7epss 0.00
wolfSSL and wolfCrypt 4.0.0 and earlier (when configured without --enable-fpecc, --enable-sp, or --enable-sp-math) contain a timing side channel in ECDSA signature generation. This allows a local attacker, able to precisely measure the duration of signature operations, to infer…
- risk 0.30cvss 4.6epss 0.00
An Observable Timing Discrepancy, Covert Timing Channel vulnerability in Silabs GSDK on ARM potentially allows Padding Oracle Crypto Attack on CBC PKCS7.This issue affects GSDK: through 4.4.0.
- risk 0.30cvss 4.6epss 0.00
On SHIFT BitBox02 devices, a side channel for the row-based OLED display was found. The power consumption of each row-based display cycle depends on the number of illuminated pixels, allowing a partial recovery of display contents. For example, a hardware implant in the USB…
- risk 0.30cvss 4.6epss 0.00
On Hyundai Pay Kasse HK-1000 devices, a side channel for the row-based OLED display was found. The power consumption of each row-based display cycle depends on the number of illuminated pixels, allowing a partial recovery of display contents. For example, a hardware implant in…
- risk 0.30cvss 4.6epss 0.00
On Archos Safe-T devices, a side channel for the row-based OLED display was found. The power consumption of each row-based display cycle depends on the number of illuminated pixels, allowing a partial recovery of display contents. For example, a hardware implant in the USB cable…
- risk 0.29cvss 5.5epss 0.00
Certain Cypress (and Broadcom) Wireless Combo chips, when a January 2021 firmware update is not present, allow inferences about memory content via a "Spectra" attack.
- risk 0.29cvss 5.5epss 0.00
Certain Cypress (and Broadcom) Wireless Combo chips, when a January 2021 firmware update is not present, allow memory access via a "Spectra" attack.
- risk 0.29cvss 5.5epss 0.00
An issue was discovered in Mbed TLS 2.x before 2.28.7 and 3.x before 3.5.2. There was a timing side channel in RSA private operations. This side channel could be sufficient for a local attacker to recover the plaintext. It requires the attacker to send a large number of messages…
- risk 0.29cvss 4.4epss 0.00
The AES implementation in the Texas Instruments OMAP L138 (secure variants), present in mask ROM, suffers from a timing side channel which can be exploited by an adversary with non-secure supervisor privileges by managing cache contents and collecting timing information for…
- risk 0.29cvss 4.4epss 0.00
During RSA key generation, bignum implementations used a variation of the Binary Extended Euclidean Algorithm which entailed significantly input-dependent flow. This allowed an attacker able to perform electromagnetic-based side channel attacks to record traces leading to the…
- risk 0.29cvss 4.4epss 0.01
NSS has shown timing differences when performing DSA signatures, which was exploitable and could eventually leak private keys. This vulnerability affects Thunderbird < 68.9.0, Firefox < 77, and Firefox ESR < 68.9.
- risk 0.29cvss 5.5epss 0.01
The dsa_sign_setup function in crypto/dsa/dsa_ossl.c in OpenSSL through 1.0.2h does not properly ensure the use of constant-time operations, which makes it easier for local users to discover a DSA private key via a timing side-channel attack.
- risk 0.28cvss 4.3epss 0.00
Capgo before 12.128.2 contains an information disclosure vulnerability in the GET /statistics/app/:app_id endpoint that allows app-limited API keys to distinguish existing sibling app IDs through differential error responses. Attackers can enumerate real app IDs outside their…
- risk 0.28cvss 4.3epss 0.00
In Wago Smart Designer in versions up to 2.33.1 a low privileged remote attacker may enumerate projects and usernames through iterative requests to an specific endpoint.
- risk 0.28cvss 4.3epss 0.00
GFI MailEssentials AI versions prior to 22.4 contain an arbitrary directory existence enumeration vulnerability in the ListServer.IsPathExist() web method exposed at /MailEssentials/pages/MailSecurity/ListServer.aspx/IsPathExist. An authenticated user can supply an unrestricted…