What is the vulnerability ID for this PIN management problem on Yubico YubiKey 5 devices?

The vulnerability ID is CVE-2020-15000.

What is the severity of CVE-2020-15000?

The severity of CVE-2020-15000 is medium, with a severity value of 5.9.

Which Yubico YubiKey 5 devices are affected by this vulnerability?

Yubico YubiKey 5 devices with firmware versions 5.2.0 to 5.2.6 are affected.

What is the impact of this PIN management vulnerability?

The vulnerability allows for unauthorized access to the Yubico YubiKey 5 device.

Is there a fix available for CVE-2020-15000?

Yes, Yubico has released a firmware update to fix the vulnerability. Please refer to their website for the latest firmware version.

Vulnerability/
CVE-2020-15000

medium

5.9

9/7/2020

4/8/2024

CVE-2020-15000

First published: Thu Jul 09 2020(Updated: )

A PIN management problem was discovered on Yubico YubiKey 5 devices 5.2.0 to 5.2.6. OpenPGP has three passwords: Admin PIN, Reset Code, and User PIN. The Reset Code is used to reset the User PIN, but it is disabled by default. A flaw in the implementation of OpenPGP sets the Reset Code to a known value upon initialization. If the retry counter for the Reset Code is set to non-zero without changing the Reset Code, this known value can be used to reset the User PIN. To set the retry counters, the Admin PIN is required.

Credit: cve@mitre.org

Affected Software	Affected Version	How to fix
Yubico Yubikey 5 Nfc Firmware	>=5.2.0<=5.2.6
Yubico YubiKey 5 NFC

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Reference Links

https://www.yubico.com/support/security-advisories/ysa-2020-05/

Frequently Asked Questions

What is the vulnerability ID for this PIN management problem on Yubico YubiKey 5 devices?
The vulnerability ID is CVE-2020-15000.
What is the severity of CVE-2020-15000?
The severity of CVE-2020-15000 is medium, with a severity value of 5.9.
Which Yubico YubiKey 5 devices are affected by this vulnerability?
Yubico YubiKey 5 devices with firmware versions 5.2.0 to 5.2.6 are affected.
What is the impact of this PIN management vulnerability?
The vulnerability allows for unauthorized access to the Yubico YubiKey 5 device.
Is there a fix available for CVE-2020-15000?
Yes, Yubico has released a firmware update to fix the vulnerability. Please refer to their website for the latest firmware version.

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vendor/yubico
canonical/yubico yubikey 5 nfc firmware
version/yubico yubikey 5 nfc firmware/5.2.0
version/yubico yubikey 5 nfc firmware/5.2.6
canonical/yubico yubikey 5 nfc

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