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CVE-2001-1309

22
FAUCET Score

CVE-2001-1309 describes buffer overflow vulnerabilities in IBM SecureWay Directory 3.2.1. These flaws allow unauthenticated remote attackers to trigger a denial of service by crashing the application and potentially execute arbitrary code. With a CVSS score of 7.5 (HIGH), this vulnerability is easily exploitable over the network with low attack complexity, leading to potential compromise of confidentiality, integrity, and availability. While the PROTOS LDAPv3 test suite demonstrated the vulnerability, there is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
3.2.1CPE matchmatch criteria
cpe:2.3:a:ibm:secureway_directory:3.2.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
5.28%
Probability of exploitation in next 30 days
EPSS Percentile
91.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0528 is in the 85th percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

ciac.llnl.gov / ciac/bulletins/l-116.shtml
exchange.xforce.ibmcloud.com / vulnerabilities/6894
cert.org / advisories/CA-2001-18.html
Third Party AdvisoryUS Government Resource
ee.oulu.fi / research/ouspg/protos/testing/c06/ldapv3
kb.cert.org / vuls/id/505564
US Government Resource
kb.cert.org / vuls/id/CFCR-4YQ33Y
US Government Resource
securityfocus.com / bid/3040
Vendor Advisory