How severe is CVE-2018-0263?

CVE-2018-0263 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2018-0263 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-0263?

CVE-2018-0263 affects Cisco Meeting Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-0263?

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-2018-0263 published?

CVE-2018-0263 was published on 2018-06-07 and last updated on 2026-06-17.

CVE-2018-0263

CVE-2018-0263 is a high-severity vulnerability in Cisco Meeting Server with a CVSS 3.x base score of 7.4. 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-1188.

Key facts

Severity: High (CVSS 3.x base score 7.4)
CVSS v2: 3.3
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1188
Affected product: Cisco Meeting Server
Published: 2018-06-07
Last modified: 2026-06-17

Description

A vulnerability in Cisco Meeting Server (CMS) could allow an unauthenticated, adjacent attacker to access services running on internal device interfaces of an affected system. The vulnerability is due to incorrect default configuration of the device, which can expose internal interfaces and ports on the external interface of the system. A successful exploit could allow the attacker to gain unauthenticated access to configuration and database files and sensitive meeting information on an affected system. This vulnerability affects Cisco Meeting Server (CMS) 2000 Platforms that are running a CMS Software release prior to Release 2.2.13 or Release 2.3.4. Cisco Bug IDs: CSCvg76471.

Frequently asked questions

What is CVE-2018-0263?: A vulnerability in Cisco Meeting Server (CMS) could allow an unauthenticated, adjacent attacker to access services running on internal device interfaces of an affected system. The vulnerability is due to incorrect default configuration of the device, which can expose internal interfaces and ports on the external interface of the system. A successful exploit could allow the attacker to gain unauthenticated access to configuration and database files and sensitive meeting information on an affected system. This vulnerability affects Cisco Meeting Server (CMS) 2000 Platforms that are running a CMS Software release prior to Release 2.2.13 or Release 2.3.4. Cisco Bug IDs: CSCvg76471.
How severe is CVE-2018-0263?: CVE-2018-0263 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2018-0263 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-0263?: CVE-2018-0263 affects Cisco Meeting Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-0263?: 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-2018-0263 published?: CVE-2018-0263 was published on 2018-06-07 and last updated on 2026-06-17.

References

Affected products (1)

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

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