Is CVE-2017-2800 in the CISA KEV catalog?

No. CVE-2017-2800 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-2800?

CVE-2017-2800 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2017-2800?

CVE-2017-2800 has an EPSS score of 8.53% (94th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-2800?

Upgrade wolfssl on debian 11 to 3.12.0+dfsg-1 or later.

CVE & CISA-KEV Catalog

CVE-2017-2800

CRITICALEPSS 94th pctl

9.8

CVSS v3

NVD

Description

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.

CWE-295Improper Certificate Validation

How to fix

Remediation Available

wolfsslDebian

Fixed in:3.12.0+dfsg-1CVE-2017-2800

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

8.53%probability of exploitation in 30 days

94thpercentile

High risk: more likely to be exploited than 94% of all known CVEs.

References

Exploit2

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.