How severe is CVE-2018-15616?

CVE-2018-15616 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-15616 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-15616?

CVE-2018-15616 affects Avaya Avaya Aura System Platform. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-15616?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2018-15616 published?

CVE-2018-15616 was published on 2018-10-17 and last updated on 2026-06-17.

CVE-2018-15616

CVE-2018-15616 is a critical-severity vulnerability in Avaya Avaya Aura System Platform with a CVSS 3.x base score of 9.0. 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-502.

Key facts

Severity: Critical (CVSS 3.x base score 9.0)
CVSS v2: 7.5
EPSS exploit prediction: 3% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-502
Affected product: Avaya Avaya Aura System Platform
Published: 2018-10-17
Last modified: 2026-06-17

Description

A vulnerability in the Web UI component of Avaya Aura System Platform could allow a remote, unauthenticated user to perform a targeted deserialization attack that could result in remote code execution. Affected versions of System Platform includes 6.3.0 through 6.3.9 and 6.4.0 through 6.4.2.

Frequently asked questions

What is CVE-2018-15616?: A vulnerability in the Web UI component of Avaya Aura System Platform could allow a remote, unauthenticated user to perform a targeted deserialization attack that could result in remote code execution. Affected versions of System Platform includes 6.3.0 through 6.3.9 and 6.4.0 through 6.4.2.
How severe is CVE-2018-15616?: CVE-2018-15616 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-15616 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-15616?: CVE-2018-15616 affects Avaya Avaya Aura System Platform. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-15616?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-15616 published?: CVE-2018-15616 was published on 2018-10-17 and last updated on 2026-06-17.

References

https://downloads.avaya.com/css/P8/documents/101052865

Affected products (1)

cpe:2.3:h:avaya:avaya_aura_system_platform:*:*:*:*:*:*:*:*

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