How severe is CVE-2010-1840?

CVE-2010-1840 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2010-1840 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-1840?

CVE-2010-1840 primarily affects Apple Mac Os X. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-1840?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2010-1840 published?

CVE-2010-1840 was published on 2010-11-15 and last updated on 2026-06-16.

CVE-2010-1840

CVE-2010-1840 is a high-severity vulnerability in Apple Mac Os X with a CVSS 2.0 base score of 7.5. 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-119.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 9% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Apple Mac Os X
Published: 2010-11-15
Last modified: 2026-06-16

Description

Stack-based buffer overflow in the password-validation functionality in Directory Services in Apple Mac OS X 10.5.8 and 10.6.x before 10.6.5 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via unspecified vectors.

Frequently asked questions

What is CVE-2010-1840?: Stack-based buffer overflow in the password-validation functionality in Directory Services in Apple Mac OS X 10.5.8 and 10.6.x before 10.6.5 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via unspecified vectors.
How severe is CVE-2010-1840?: CVE-2010-1840 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2010-1840 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-1840?: CVE-2010-1840 primarily affects Apple Mac Os X. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-1840?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2010-1840 published?: CVE-2010-1840 was published on 2010-11-15 and last updated on 2026-06-16.

References

Affected products (12)

cpe:2.3:o:apple:mac_os_x:10.5.8:*:*:*:*:*:*:*
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:10.6.3:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.6.4:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x_server:10.6.2:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x_server:10.6.3:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x_server:10.6.4:*:*:*:*:*:*:*

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