CVE-2020-13132
MEDIUM
4.6
CVSS Score
Published: July 9, 2020 at 05:51 PM UTC
Updated: June 17, 2026 at 02:52 AM UTC
3 products affected across 1 vendorLibykpivPiv Tool ManagerYubikey Smart Card Minidriver
Using N/A by N/A?
Get instant alerts when new vulnerabilities affect N/A - before attackers find them.
Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM4.6
Exploit prediction
EPSS 0.6%
Description
An issue was discovered in Yubico libykpiv before 2.1.0. An attacker can trigger an incorrect free() in the ykpiv_util_generate_key() function in lib/util.c through incorrect error handling code. This could be used to cause a denial of service attack.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 2.1.0
Affected range stops below 2.1.0, so it looks safe — our inference, not a vendor statement
v < 2.0.0
Affected range stops below 2.0.0, so it looks safe — our inference, not a vendor statement
v ≤ 4.1.0.172
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (2)
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://blog.inhq.net/posts/yubico-libykpiv-vuln/x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://www.yubico.com/support/security-advisories/ysa-2020-02/CVSS
- Attack Vector
- PHYSICAL
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-763
Get alerted
Stop reading CVE feeds looking for your own stack
Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.
Free plan, no card