Vulnerability · Published Mar 5, 2020 · Assigned by mitre

CVE-2020-10185

High 8.6

In plain English

A high-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.7% (higher than 77% of all known vulnerabilities).

Severity (CVSS NVD)8.6High

Exploit odds (30 days)1.7%top 22.9% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
n/a	n/a	n/a

References

https://www.yubico.com/support/security-advisories/ysa-2020-01/ x_refsource_MISC
https://github.com/Yubico/yubikey-val/releases/tag/yubikey-val-2.40 x_refsource_MISC
[debian-lts-announce] 20200312 [SECURITY] [DLA 2141-1] yubikey-val security update mailing-list, x_refsource_MLIST