# CVE-2001-1319

## Summary

- **CVE ID:** CVE-2001-1319
- **Severity:** UNKNOWN
- **CVSS Score:** 0.57
- **CWE:** N/A
- **Published:** May 3, 2002
- **Last Modified:** Mar 16, 2026

## 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.

## Affected Products

- n/a — n/a (n/a)

## References

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

## Exploitation Prediction (EPSS)

- **EPSS Score:** 11.42%
- **EPSS Percentile:** 93.4

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._