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CVE-2017-2800
CRITICAL
A specially crafted x509 certificate can cause a single out of bounds byte overwrite in wolfSSL through 3.10.2 resulting in potential certificate validation vulnerabilities, denial of service and possible remote code execution. In order to trigger this vulnerability, the attacker needs to supply a malicious x509 certificate to either a server or a client application using this library.
Published: May 24, 2017
Modified: Jun 17, 2026
CWE-295
CVSS Metrics
CVSSv3
Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
HIGH
Integrity Impact:
HIGH
Availability Impact:
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products (1)
| Vendor | Product | Version |
|---|---|---|
| wolfssl | wolfssl | * |
GitHub Security Advisory GHSA-59h3-rq7p-jqmv
A specially crafted x509 certificate can cause a single out of bounds byte overwrite in wolfSSL...
References (4)
- https://talosintelligence.com/vulnerability_reports/TALOS-2017-0293 Exploit, Third Party Advisory
- https://www.exploit-db.com/exploits/41984/ Exploit, Third Party Advisory, VDB Entry
- https://talosintelligence.com/vulnerability_reports/TALOS-2017-0293 Exploit, Third Party Advisory
- https://www.exploit-db.com/exploits/41984/ Exploit, Third Party Advisory, VDB Entry
Risk Scores
CVSS Score
9.8 / 10
EPSS Score
8.53%
Top 5% most likely to be exploited
Threat Score
41.8 / 100
Data Sources
NVD
EPSS
GitHub