How severe is CVE-2018-0439?

CVE-2018-0439 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-0439 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-0439?

CVE-2018-0439 primarily affects Cisco Meeting Server. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-0439?

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-2018-0439 published?

CVE-2018-0439 was published on 2018-10-05 and last updated on 2026-06-17.

CVE-2018-0439

CVE-2018-0439 is a high-severity vulnerability in Cisco Meeting Server with a CVSS 3.x base score of 8.8. 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-352.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Cisco Meeting Server
Published: 2018-10-05
Last modified: 2026-06-17

Description

A vulnerability in the web-based management interface of Cisco Meeting Server could allow an unauthenticated, remote attacker to conduct a cross-site request forgery (CSRF) attack and perform arbitrary actions on an affected device. The vulnerability is due to insufficient CSRF protections for the web-based management interface of an affected device. An attacker could exploit this vulnerability by persuading a user of the interface to follow a customized link. A successful exploit could allow the attacker to perform arbitrary actions on an affected device by using a web browser and with the privileges of the user.

Frequently asked questions

What is CVE-2018-0439?: A vulnerability in the web-based management interface of Cisco Meeting Server could allow an unauthenticated, remote attacker to conduct a cross-site request forgery (CSRF) attack and perform arbitrary actions on an affected device. The vulnerability is due to insufficient CSRF protections for the web-based management interface of an affected device. An attacker could exploit this vulnerability by persuading a user of the interface to follow a customized link. A successful exploit could allow the attacker to perform arbitrary actions on an affected device by using a web browser and with the privileges of the user.
How severe is CVE-2018-0439?: CVE-2018-0439 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-0439 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-0439?: CVE-2018-0439 primarily affects Cisco Meeting Server. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-0439?: 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-2018-0439 published?: CVE-2018-0439 was published on 2018-10-05 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:a:cisco:meeting_server:2.0.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:meeting_server:2.1.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:meeting_server:2.2.0:*:*:*:*:*:*:*
cpe:2.3:a:cisco:meeting_server:2.2.5:*:*:*:*:*:*:*
cpe:2.3:a:cisco:meeting_server:2.3.0:*:*:*:*:*:*:*

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