How severe is CVE-2011-2758?

CVE-2011-2758 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2011-2758 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-2758?

CVE-2011-2758 primarily affects Ibm Tivoli Directory Server. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-2758?

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

When was CVE-2011-2758 published?

CVE-2011-2758 was published on 2011-07-17 and last updated on 2026-06-16.

CVE-2011-2758

CVE-2011-2758 is a medium-severity vulnerability in Ibm Tivoli 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-287.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Ibm Tivoli Directory Server
Published: 2011-07-17
Last modified: 2026-06-16

Description

IDSWebApp in the Web Administration Tool in IBM Tivoli Directory Server (TDS) 6.2 before 6.2.0.3-TIV-ITDS-IF0004 does not require authentication for access to LDAP Server log files, which allows remote attackers to obtain sensitive information via a crafted URL.

Frequently asked questions

What is CVE-2011-2758?: IDSWebApp in the Web Administration Tool in IBM Tivoli Directory Server (TDS) 6.2 before 6.2.0.3-TIV-ITDS-IF0004 does not require authentication for access to LDAP Server log files, which allows remote attackers to obtain sensitive information via a crafted URL.
How severe is CVE-2011-2758?: CVE-2011-2758 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2011-2758 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-2758?: CVE-2011-2758 primarily affects Ibm Tivoli Directory Server. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-2758?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-2758 published?: CVE-2011-2758 was published on 2011-07-17 and last updated on 2026-06-16.

References

Affected products (4)

cpe:2.3:a:ibm:tivoli_directory_server:6.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_directory_server:6.2.0.0:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_directory_server:6.2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:tivoli_directory_server:6.2.0.2:*:*:*:*:*:*:*

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Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

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