CVE-2009-5040

CVE-2009-5040 is a medium-severity vulnerability in Cisco Ios with a CVSS 2.0 base score of 6.8. 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-399.

Key facts

Description

CallManager Express (CME) on Cisco IOS before 15.0(1)XA allows remote authenticated users to cause a denial of service (device crash) by using an extension mobility (EM) phone to interact with the menu for SNR number changes, aka Bug ID CSCta63555.

Frequently asked questions

What is CVE-2009-5040?
CallManager Express (CME) on Cisco IOS before 15.0(1)XA allows remote authenticated users to cause a denial of service (device crash) by using an extension mobility (EM) phone to interact with the menu for SNR number changes, aka Bug ID CSCta63555.
How severe is CVE-2009-5040?
CVE-2009-5040 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2009-5040 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-5040?
CVE-2009-5040 primarily affects Cisco Ios. In total, 1550 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-5040?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-5040 published?
CVE-2009-5040 was published on 2011-01-07 and last updated on 2026-06-16.

References

Affected products (1550)

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