No exploitation reportedFix available

CVE-2018-15617

Q: Is CVE-2018-15617 actively exploited?

Active exploitation of CVE-2018-15617 has not been confirmed. Its EPSS score was 2.2% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2018-15617?

CVE-2018-15617 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

No exploitation reported by the sources we read.

Published2019-02-01
Fixed in8.0.1 · 7.1.3.2
WeaknessCWE-399

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

A vulnerability in the "capro" (Call Processor) process component of Avaya Aura Communication Manager could allow a remote, unauthenticated user to cause denial of service. Affected versions include 6.3.x, all 7.x versions prior to 7.1.3.2, and all 8.x versions prior to 8.0.1.

Timeline

dates in UTC

2019-02-0115:29CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2018-15617?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2018-15617?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Avaya aura communication manager

Branch	Affected	Fixed in	Source
8.0	≥ 8.0, < 8.0.1	8.0.1	NVD
7.x	≥ 7.0, < 7.1.3.2	7.1.3.2	NVD
6.3	≥ 6.3.0.1, ≤ 6.3.17.0	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

Update Avaya aura communication manager to 8.0.1 · 7.1.3.2

Advisories and patches

downloads.avaya.comVendor Advisory

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

CNACVSS 3.06.5read 2026-10-23
NVDCVSS 3.07.5read 2026-10-23
NVDCVSS 2.05read 2026-10-23
CNAweakness (CWE)CWE-399read 2026-10-23
FIRST EPSSEPSS score2.2 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published: 2019-02-01
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2018-15617?

Is CVE-2018-15617 actively exploited?

Active exploitation of CVE-2018-15617 has not been confirmed. Its EPSS score was 2.2% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-15617?

CVE-2018-15617 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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