Is CVE-2009-1387 in the CISA KEV catalog?

No. CVE-2009-1387 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2009-1387?

CVE-2009-1387 has a CVSS v2 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2009-1387?

CVE-2009-1387 has an EPSS score of 10.25% (95th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2009-1387

MEDIUMEPSS 95th pctl

5.0

CVSS v2

NVD

Description

The dtls1_retrieve_buffered_fragment function in ssl/d1_both.c in OpenSSL before 1.0.0 Beta 2 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via an out-of-sequence DTLS handshake message, related to a "fragment bug."

CWE-476NULL Pointer Dereference

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

10.25%probability of exploitation in 30 days

95thpercentile

Very high risk: more likely to be exploited than 95% of all known CVEs.

References

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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 2026-04-23.