How severe is CVE-2018-15446?

CVE-2018-15446 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2018-15446 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-15446?

CVE-2018-15446 affects Cisco Meeting Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-15446?

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

When was CVE-2018-15446 published?

CVE-2018-15446 was published on 2018-11-08 and last updated on 2026-06-17.

CVE-2018-15446

CVE-2018-15446 is a medium-severity vulnerability in Cisco Meeting Server with a CVSS 3.x base score of 5.3. 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 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Cisco Meeting Server
Published: 2018-11-08
Last modified: 2026-06-17

Description

A vulnerability in Cisco Meeting Server could allow an unauthenticated, remote attacker to gain access to sensitive information. The vulnerability is due to improper protections on data that is returned from user meeting requests when the Guest access via ID and passcode option is set to Legacy mode. An attacker could exploit this vulnerability by sending meeting requests to an affected system. A successful exploit could allow the attacker to determine the values of meeting room unique identifiers, possibly allowing the attacker to conduct further exploits.

Frequently asked questions

What is CVE-2018-15446?: A vulnerability in Cisco Meeting Server could allow an unauthenticated, remote attacker to gain access to sensitive information. The vulnerability is due to improper protections on data that is returned from user meeting requests when the Guest access via ID and passcode option is set to Legacy mode. An attacker could exploit this vulnerability by sending meeting requests to an affected system. A successful exploit could allow the attacker to determine the values of meeting room unique identifiers, possibly allowing the attacker to conduct further exploits.
How severe is CVE-2018-15446?: CVE-2018-15446 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2018-15446 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-15446?: CVE-2018-15446 affects Cisco Meeting Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-15446?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-15446 published?: CVE-2018-15446 was published on 2018-11-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:cisco:meeting_server:-:*:*:*:*:*:*:*

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