How severe is CVE-2011-1067?

CVE-2011-1067 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2011-1067 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-1067?

CVE-2011-1067 primarily affects Fedoraproject 389 Directory Server. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-1067?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2011-1067 published?

CVE-2011-1067 was published on 2011-02-23 and last updated on 2026-06-16.

CVE-2011-1067

CVE-2011-1067 is a medium-severity vulnerability in Fedoraproject 389 Directory Server with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Fedoraproject 389 Directory Server
Published: 2011-02-23
Last modified: 2026-06-16

Description

slapd (aka ns-slapd) in 389 Directory Server before 1.2.8.a2 does not properly manage the c_timelimit field of the connection table element, which allows remote attackers to cause a denial of service (daemon outage) via Simple Paged Results connections, as demonstrated by using multiple processes to replay TCP sessions, a different vulnerability than CVE-2011-0019.

Frequently asked questions

What is CVE-2011-1067?: slapd (aka ns-slapd) in 389 Directory Server before 1.2.8.a2 does not properly manage the c_timelimit field of the connection table element, which allows remote attackers to cause a denial of service (daemon outage) via Simple Paged Results connections, as demonstrated by using multiple processes to replay TCP sessions, a different vulnerability than CVE-2011-0019.
How severe is CVE-2011-1067?: CVE-2011-1067 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2011-1067 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-1067?: CVE-2011-1067 primarily affects Fedoraproject 389 Directory Server. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-1067?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-1067 published?: CVE-2011-1067 was published on 2011-02-23 and last updated on 2026-06-16.

References

Affected products (21)

cpe:2.3:a:fedoraproject:389_directory_server:*:alpha1:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.1:*:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.2:*:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.3:*:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.5:*:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.5:rc1:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.5:rc2:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.5:rc3:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.5:rc4:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.6:*:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.6:a2:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.6:a3:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.6:a4:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.6:rc1:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.6:rc2:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.6:rc3:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.6:rc6:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.6:rc7:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.6.1:*:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.7:alpha3:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.7.5:*:*:*:*:*:*:*

More vulnerabilities in Fedoraproject 389 Directory Server

CVE-2017-7551 — Critical (CVSS 9.8): 389-ds-base version before 1.3.5.19 and 1.3.6.7 are vulnerable to password brute-force attacks during account lockout…
CVE-2017-15135 — High (CVSS 8.1): It was found that 389-ds-base since 1.3.6.1 up to and including 1.4.0.3 did not always handle internal hash comparison…
CVE-2019-10171 — High (CVSS 7.5): It was found that the fix for CVE-2018-14648 in 389-ds-base, versions 1.4.0.x before 1.4.0.17, was incorrectly applied…
CVE-2019-3883 — High (CVSS 7.5): In 389-ds-base up to version 1.4.1.2, requests are handled by workers threads. Each sockets will be waited by the…
CVE-2018-14648 — High (CVSS 7.5): A flaw was found in 389 Directory Server. A specially crafted search query could lead to excessive CPU consumption in…
CVE-2018-14638 — High (CVSS 7.5): A flaw was found in 389-ds-base before version 1.3.8.4-13. The process ns-slapd crashes in delete_passwdPolicy function…

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