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CVE-2018-15616

32
FAUCET Score

CVE-2018-15616 is a critical deserialization vulnerability in the Web UI component of Avaya Aura System Platform versions 6.3.0 through 6.3.9 and 6.4.0 through 6.4.2. This flaw allows a remote, unauthenticated attacker to achieve remote code execution (RCE) with low attack complexity. The vulnerability has a CVSS score of 9.8 (Critical), indicating severe potential impact on confidentiality, integrity, and availability. While there is no evidence of active exploitation or public exploit code on platforms like Metasploit or ExploitDB, the vulnerability has garnered significant community discussion, suggesting awareness among security researchers.

Impacted Technologies

VendorProductVersion(s)CPE
>= 6.3.0, <= 6.3.9CPE matchmatch criteria
cpe:2.3:h:avaya:avaya_aura_system_platform:*:*:*:*:*:*:*:*
>= 6.4.0, <= 6.4.2CPE matchmatch criteria
cpe:2.3:h:avaya:avaya_aura_system_platform:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.0CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.2
Impact Score
6.0
CvssVersion
3.0

Exploit Intelligence

EPSS Score
3.34%
Probability of exploitation in next 30 days
EPSS Percentile
87.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0334 is in the 79th percentile among its peer group of 36,829 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

downloads.avaya.com / css/P8/documents/101052865
ExploitVendor Advisory