Is CVE-2001-1319 in the CISA KEV catalog?

No. CVE-2001-1319 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2001-1319?

CVE-2001-1319 has a CVSS v2 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2001-1319?

CVE-2001-1319 has an EPSS score of 29.43% (98th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2001-1319

MEDIUMEPSS 98th pctl

5.0

CVSS v2

NVD

Description

Microsoft Exchange 5.5 2000 allows remote attackers to cause a denial of service (hang) via exceptional BER encodings for the LDAP filter type field, as demonstrated by the PROTOS LDAPv3 test suite.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

29.43%probability of exploitation in 30 days

98thpercentile

Very high risk: more likely to be exploited than 98% of all known CVEs.

References

http://ciac.llnl.gov/ciac/bulletins/l-116.shtml
http://www.cert.org/advisories/CA-2001-18.html
http://www.ee.oulu.fi/research/ouspg/protos/testing/c06/ldapv3/
http://www.kb.cert.org/vuls/id/763400
http://www.kb.cert.org/vuls/id/CFCN-4YAQC7
http://www.securityfocus.com/bid/3045
https://exchange.xforce.ibmcloud.com/vulnerabilities/6899

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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 2026-04-16.