What is the CVSS score of CVE-2018-15616?

CVE-2018-15616 has a CVSS 3.0 base score of 9.8 (Critical). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 3.3%.

Is there a public PoC exploit available for CVE-2018-15616?

Yes, a public proof-of-concept exploit is available for CVE-2018-15616. Prioritise patching immediately. EPSS: 3.3%.

Avaya Aura System Platform CVE-2018-15616

CRITICAL

Deserialization of Untrusted Data (CWE-502)

2018-10-17 securityalerts@avaya.com

Deserialization RCE Avaya Aura System Platform

9.8

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Oct 17, 2018 - 18:29 nvd

CRITICAL 9.8

DescriptionNVD

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.

AnalysisAI

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. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Deserialization of Untrusted Data (CWE-502), which allows attackers to execute arbitrary code through malicious serialized objects. 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. Affected products include: Avaya Avaya Aura System Platform. Version information: through 6.3.9.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid deserializing untrusted data. Use safe serialization formats (JSON). Implement integrity checks and type allowlists.