How severe is CVE-2009-2829?

CVE-2009-2829 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2009-2829 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-2829?

CVE-2009-2829 affects Apple Mac Os X Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2009-2829?

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

When was CVE-2009-2829 published?

CVE-2009-2829 was published on 2009-11-10 and last updated on 2026-06-16.

CVE-2009-2829

CVE-2009-2829 is a medium-severity vulnerability in Apple Mac Os X 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-255.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-255
Affected product: Apple Mac Os X Server
Published: 2009-11-10
Last modified: 2026-06-16

Description

Event Monitor in Apple Mac OS X 10.5.8 does not properly handle crafted authentication data sent to an SSH daemon, which allows remote attackers to cause a denial of service via vectors involving processing of XML log documents by other services, related to a "log injection" issue.

Frequently asked questions

What is CVE-2009-2829?: Event Monitor in Apple Mac OS X 10.5.8 does not properly handle crafted authentication data sent to an SSH daemon, which allows remote attackers to cause a denial of service via vectors involving processing of XML log documents by other services, related to a "log injection" issue.
How severe is CVE-2009-2829?: CVE-2009-2829 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2009-2829 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-2829?: CVE-2009-2829 affects Apple Mac Os X Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2009-2829?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-2829 published?: CVE-2009-2829 was published on 2009-11-10 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:o:apple:mac_os_x_server:10.5.8:*:*:*:*:*:*:*

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