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CVE-2006-6493

31
FAUCET Score

CVE-2006-6493 describes a buffer overflow vulnerability in OpenLDAP versions 2.4.3 and earlier, specifically within the krbv4_ldap_auth function when compiled with the --enable-kbind option. This flaw allows remote attackers to execute arbitrary code by sending a crafted LDAP bind request with long credential data. The vulnerability carries a CVSS score of 5.1, indicating a medium severity with high attack complexity, but potential for partial impact on confidentiality, integrity, and availability. While not actively exploited in the wild or on the KEV catalog, a public exploit (EDB-2933) exists, yet it has garnered minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.4.3CPE matchmatch criteria
cpe:2.3:a:openldap:openldap:*:*:*:*:*:*:*:*
1.0CPE matchmatch criteria
cpe:2.3:a:openldap:openldap:1.0:*:*:*:*:*:*:*
1.0.1CPE matchmatch criteria
cpe:2.3:a:openldap:openldap:1.0.1:*:*:*:*:*:*:*
1.0.2CPE matchmatch criteria
cpe:2.3:a:openldap:openldap:1.0.2:*:*:*:*:*:*:*
1.0.3CPE matchmatch criteria
cpe:2.3:a:openldap:openldap:1.0.3:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.1MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
HIGH
Authentication
NONE
Exploitability Score
4.9
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
9.26%
Probability of exploitation in next 30 days
EPSS Percentile
94.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
ExploitDB: EDB-2933 · Dec 15, 2006
This CVE's current EPSS score of 0.0926 is in the 94th percentile among its peer group of 19,958 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Vendor Advisories (1)

redhatCVE-2006-6493

CVE-2006-6493

References

secunia.com / advisories/23334
securityreason.com / securityalert/2023
phreedom.org / solar/exploits/openldap-kbind
Exploit
securityfocus.com / archive/1/454181/30/0/threaded
ExploitVendor Advisory
vupen.com / english/advisories/2006/4964