How severe is CVE-2015-4209?

CVE-2015-4209 has a CVSS 2.0 base score of 6.4, rated medium severity.

Is CVE-2015-4209 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-4209?

CVE-2015-4209 affects Cisco Webex Meeting Center. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-4209?

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

When was CVE-2015-4209 published?

CVE-2015-4209 was published on 2015-06-23 and last updated on 2026-06-17.

CVE-2015-4209

CVE-2015-4209 is a medium-severity vulnerability in Cisco Webex Meeting Center with a CVSS 2.0 base score of 6.4. 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-200.

Key facts

Severity: Medium (CVSS 2.0 base score 6.4)
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Cisco Webex Meeting Center
Published: 2015-06-23
Last modified: 2026-06-17

Description

Cisco WebEx Meeting Center does not properly determine authorization for reading a host calendar, which allows remote attackers to obtain sensitive information by obtaining a list of all meetings and then sending a calendar request for each one, aka Bug ID CSCur23913.

Frequently asked questions

What is CVE-2015-4209?: Cisco WebEx Meeting Center does not properly determine authorization for reading a host calendar, which allows remote attackers to obtain sensitive information by obtaining a list of all meetings and then sending a calendar request for each one, aka Bug ID CSCur23913.
How severe is CVE-2015-4209?: CVE-2015-4209 has a CVSS 2.0 base score of 6.4, rated medium severity.
Is CVE-2015-4209 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-4209?: CVE-2015-4209 affects Cisco Webex Meeting Center. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-4209?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-4209 published?: CVE-2015-4209 was published on 2015-06-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:cisco:webex_meeting_center:-:*:*:*:*:*:*:*

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