Priority LOW 35
Yubico webauthn-server-core (aka java-webauthn-server) 2.8.0 before 2.8.2 incorrectly checks a function's return value in the second factor flow, leading to impersonation.
CVSS 3.1HIGH 7.5· Network · Low privileges · No interaction · EPSS 0.00308 · Published 2026-05-14 · Fixed in 2.8.2 CWE-253
Priority LOW 13
Yubico libfido2 before 1.17.0, python-fido2 before 2.2.0, and yubikey-manager before 5.9.1 have an unintended DLL search path.
CVSS 3.1LOW 2.9· Local · No auth · No interaction · EPSS 0.00131 · Published 2026-04-15 · Fixed in 1.17.0, 2.2.0 +1 CWE-426
Priority LOW 10
Yubico YubiKey 5.4.1 through 5.7.3 before 5.7.4 has an incorrect FIDO CTAP PIN/UV Auth Protocol Two implementation.
CVSS 3.1LOW 2.2· Local · Low privileges · User interaction · EPSS 0.00122 · Published 2025-04-03 · Fixed in 5.7.4 CWE-1390
Priority LOW 34
In Yubico pam-u2f before 1.3.1, local privilege escalation can sometimes occur.
CVSS 4.0HIGH 7.3· Local · Low privileges · No interaction · EPSS 0.00405 · Published 2025-01-15 · Fixed in 1.3.1 CWE-394
Priority LOW 20
Yubico YubiKey 5 Series devices with firmware before 5.7.0 and YubiHSM 2 devices with firmware before 2.4.0 allow an ECDSA secret-key extraction attack (that requires physical access and expensive equipment) in which an…
CVSS 3.1MEDIUM 4.2· Physical · No auth · No interaction · EPSS 0.00327 · Published 2024-09-03 · No fix listed CWE-203
Priority HIGH 72
The PKCS11 module of the YubiHSM 2 SDK through 2023.01 does not properly validate the length of specific read operations on object metadata.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00575 · Published 2023-08-14 · No fix listed CWE-125
Priority LOW 31
Incorrect access control in Yubico OTP functionality of the YubiKey hardware tokens along with the Yubico OTP validation server.
CVSS 3.1MEDIUM 6.5· Network · Low privileges · No interaction · EPSS 0.01025 · Published 2022-05-11 · No fix listed CWE-863
Priority LOW 39
Yubico ykneo-openpgp before 1.0.10 has a typo in which an invalid PIN can be used.
CVSS 3.1HIGH 8.8· Adjacent network · No auth · No interaction · EPSS 0.00667 · Published 2022-03-29 · No fix listed CWE-347
Priority LOW 36
The Yubico YubiHSM YubiHSM2 library 2021.08, included in the yubihsm-shell project, does not properly validate the length of some operations including SSH signing requests, and some data operations received from a YubiHS…
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.01413 · Published 2021-12-08 · No fix listed CWE-787
Priority LOW 30
Yubico pam-u2f before 1.1.1 has a logic issue that, depending on the pam-u2f configuration and the application used, could lead to a local PIN bypass.
CVSS 3.1MEDIUM 6.8· Physical · No auth · No interaction · EPSS 0.00333 · Published 2021-05-25 · No fix listed CWE-287
Priority LOW 22
An issue was discovered in the _send_secure_msg() function of Yubico yubihsm-shell through 2.0.3.
CVSS 3.1MEDIUM 4.4· Network · High privileges · No interaction · EPSS 0.00922 · Published 2021-05-10 · No fix listed CWE-190
Priority LOW 36
An issue was discovered in the /api/connector endpoint handler in Yubico yubihsm-connector before 3.0.1 (in YubiHSM SDK before 2021.04).
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.01521 · Published 2021-04-14 · Fixed in 3.0.1 CWE-835
Priority LOW 24
An issue was discovered in the _send_secure_msg() function of Yubico yubihsm-shell through 2.0.3.
CVSS 3.1MEDIUM 4.4· Network · High privileges · No interaction · EPSS 0.01595 · Published 2021-03-04 · No fix listed CWE-125
Priority LOW 19
An electromagnetic-wave side-channel issue was discovered on NXP SmartMX / P5x security microcontrollers and A7x secure authentication microcontrollers, with CryptoLib through v2.9.
CVSS 3.1MEDIUM 4.2· Physical · No auth · No interaction · EPSS 0.002 · Published 2021-01-07 · No fix listed CWE-670
Priority LOW 36
An issue was discovered in the _send_secure_msg() function of yubihsm-shell through 2.0.2.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.01755 · Published 2020-10-19 · No fix listed CWE-20
Priority LOW 36
An issue was discovered in the yh_create_session() function of yubihsm-shell through 2.0.2.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.01755 · Published 2020-10-19 · No fix listed CWE-125
Priority LOW 25
An information leak was discovered on Yubico YubiKey 5 NFC devices 5.0.0 to 5.2.6 and 5.3.0 to 5.3.1.
CVSS 3.1MEDIUM 5.3· Adjacent network · No auth · No interaction · EPSS 0.00551 · Published 2020-07-09 · No fix listed CWE-862
Priority LOW 28
A PIN management problem was discovered on Yubico YubiKey 5 devices 5.2.0 to 5.2.6.
CVSS 3.1MEDIUM 5.9· Network · No auth · No interaction · EPSS 0.00703 · Published 2020-07-09 · No fix listed
Priority LOW 22
An issue was discovered in Yubico libykpiv before 2.1.0.
CVSS 3.1MEDIUM 4.6· Physical · No auth · No interaction · EPSS 0.00638 · Published 2020-07-09 · No fix listed CWE-763
Priority LOW 21
An issue was discovered in Yubico libykpiv before 2.1.0.
CVSS 3.1MEDIUM 4.3· Physical · No auth · User interaction · EPSS 0.00492 · Published 2020-07-09 · No fix listed CWE-125
Priority LOW 36
The verify endpoint in YubiKey Validation Server before 2.40 does not check the length of SQL queries, which allows remote attackers to cause a denial of service, aka SQL injection.
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.01504 · Published 2020-03-05 · No fix listed CWE-89
Priority MEDIUM 41
The sync endpoint in YubiKey Validation Server before 2.40 allows remote attackers to replay an OTP.
CVSS 3.1HIGH 8.6· Network · No auth · No interaction · EPSS 0.01682 · Published 2020-03-05 · No fix listed CWE-294
Priority MEDIUM 46
Yubico PAM Module before 2.10 performed user authentication when 'use_first_pass' PAM configuration option was not used and the module was configured as 'sufficient' in the PAM configuration.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.02019 · Published 2019-11-26 · Fixed in 2.10 CWE-20
Priority LOW 39
In Yubico pam-u2f 1.0.7, when configured with debug and a custom debug log file is set using debug_file, that file descriptor is not closed when a new process is spawned.
CVSS 3.0HIGH 8.1· Network · Low privileges · No interaction · EPSS 0.02056 · Published 2019-06-04 · No fix listed
Priority LOW 38
Yubico pam-u2f 1.0.7 attempts parsing of the configured authfile (default $HOME/.config/Yubico/u2f_keys) as root (unless openasuser was enabled), and does not properly verify that the path lacks symlinks pointing to othe…
CVSS 3.0HIGH 7.5· Network · No auth · No interaction · EPSS 0.02807 · Published 2019-06-04 · No fix listed CWE-59
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