CVE-2020-10185

Severity Score

8.6

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The sync endpoint in YubiKey Validation Server before 2.40 allows remote attackers to replay an OTP. NOTE: this issue is potentially relevant to persons outside Yubico who operate a self-hosted OTP validation service with a non-default configuration such as an open sync pool; the issue does NOT affect YubiCloud.

El endpoint sync en YubiKey Validation Server versiones anteriores a 2.40, permite a atacantes remotos reproducir una OTP. NOTA: este problema es potencialmente relevante para personas ajenas a Yubico que operan un servicio de comprobación OTP auto alojado con una configuración no predeterminada, tales como un grupo de sincronización abierto; El problema NO afecta a YubiCloud.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2020-03-05 CVE Reserved
2020-03-05 CVE Published
2023-12-24 EPSS Updated
2024-08-04 CVE Updated
2024-08-04 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-294: Authentication Bypass by Capture-replay

CAPEC

References (3)

URL	Tag	Source
https://github.com/Yubico/yubikey-val/releases/tag/yubikey-val-2.40	Release Notes
https://lists.debian.org/debian-lts-announce/2020/03/msg00014.html	Mailing List

URL	Date	SRC
https://www.yubico.com/support/security-advisories/ysa-2020-01	2024-08-04

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Yubico Search vendor "Yubico"		Yubikey One Time Password Validation Server Search vendor "Yubico" for product "Yubikey One Time Password Validation Server"				< 2.40 Search vendor "Yubico" for product "Yubikey One Time Password Validation Server" and version " < 2.40"		-		Affected