How severe is CVE-2001-1309?

CVE-2001-1309 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2001-1309 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2001-1309?

CVE-2001-1309 affects Ibm Secureway Directory. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2001-1309?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2001-1309 published?

CVE-2001-1309 was published on 2001-07-16 and last updated on 2026-06-16.

CVE-2001-1309

CVE-2001-1309 is a high-severity vulnerability in Ibm Secureway Directory with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 5% (92nd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ibm Secureway Directory
Published: 2001-07-16
Last modified: 2026-06-16

Description

Buffer overflows in IBM SecureWay 3.2.1 allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code, as demonstrated by the PROTOS LDAPv3 test suite.

Frequently asked questions

What is CVE-2001-1309?: Buffer overflows in IBM SecureWay 3.2.1 allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code, as demonstrated by the PROTOS LDAPv3 test suite.
How severe is CVE-2001-1309?: CVE-2001-1309 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2001-1309 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (92nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2001-1309?: CVE-2001-1309 affects Ibm Secureway Directory. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2001-1309?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2001-1309 published?: CVE-2001-1309 was published on 2001-07-16 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:ibm:secureway_directory:3.2.1:*:*:*:*:*:*:*

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CVE-2001-1310 — High (CVSS 7.5): IBM SecureWay 3.2.1 allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code,…

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