CVE-2014-2899

CVE-2014-2899 is a medium-severity vulnerability in Yassl Cyassl with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Description

wolfSSL CyaSSL before 2.9.4 allows remote attackers to cause a denial of service (NULL pointer dereference) via (1) a request for the peer certificate when a certificate parsing failure occurs or (2) a client_key_exchange message when the ephemeral key is not found.

Frequently asked questions

What is CVE-2014-2899?
wolfSSL CyaSSL before 2.9.4 allows remote attackers to cause a denial of service (NULL pointer dereference) via (1) a request for the peer certificate when a certificate parsing failure occurs or (2) a client_key_exchange message when the ephemeral key is not found.
How severe is CVE-2014-2899?
CVE-2014-2899 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2014-2899 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-2899?
CVE-2014-2899 primarily affects Yassl Cyassl. In total, 45 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-2899?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-2899 published?
CVE-2014-2899 was published on 2014-04-22 and last updated on 2026-06-17.

References

Affected products (45)

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