How severe is CVE-2010-0521?

CVE-2010-0521 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2010-0521 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-0521?

CVE-2010-0521 primarily affects Apple Mac Os X. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-0521?

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

When was CVE-2010-0521 published?

CVE-2010-0521 was published on 2010-03-30 and last updated on 2026-06-16.

CVE-2010-0521

CVE-2010-0521 is a medium-severity vulnerability in Apple Mac Os X 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% (76th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Apple Mac Os X
Published: 2010-03-30
Last modified: 2026-06-16

Description

Server Admin in Apple Mac OS X Server before 10.6.3 does not properly enforce authentication for directory binding, which allows remote attackers to obtain potentially sensitive information from Open Directory via unspecified LDAP requests.

Frequently asked questions

What is CVE-2010-0521?: Server Admin in Apple Mac OS X Server before 10.6.3 does not properly enforce authentication for directory binding, which allows remote attackers to obtain potentially sensitive information from Open Directory via unspecified LDAP requests.
How severe is CVE-2010-0521?: CVE-2010-0521 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2010-0521 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-0521?: CVE-2010-0521 primarily affects Apple Mac Os X. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-0521?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2010-0521 published?: CVE-2010-0521 was published on 2010-03-30 and last updated on 2026-06-16.

References

Affected products (16)

cpe:2.3:o:apple:mac_os_x:10.6.0:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.6.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.6.2:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x_server:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x_server:10.5:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x_server:10.5.0:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x_server:10.5.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x_server:10.5.2:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x_server:10.5.3:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x_server:10.5.4:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x_server:10.5.5:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x_server:10.5.6:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x_server:10.5.7:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x_server:10.5.8:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x_server:10.6.0:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x_server:10.6.1:*:*:*:*:*:*:*

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