CVE-2015-6389 — Cisco Prime Collaboration Assurance before 11.0 has a hardcoded cmuser account, which allows remote attackers to obtain access by establishing an SSH session and leveraging knowledge of this account's password, aka Bug ID CSCus62707

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HIGH

Cisco Prime Collaboration Assurance before 11.0 has a hardcoded cmuser account, which allows remote attackers to obtain access by establishing an SSH session and leveraging knowledge of this account's password, aka Bug ID CSCus62707

Published Dec 13, 2015

9.0

HIGH

CVSS 2.0

EPSS 2.60%

Description

Cisco Prime Collaboration Assurance before 11.0 has a hardcoded cmuser account, which allows remote attackers to obtain access by establishing an SSH session and leveraging knowledge of this account's password, aka Bug ID CSCus62707.

Affected products

Remediation

No remediation recorded yet.

Metrics

2.60% 0.02601

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.02601

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (10 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	2.60% (0.02601)	84.80th	v5 (v2026.06.15)
Jun 15, 2026	2.60% (0.02601)	83.28th	v5 (v2026.06.15)
Mar 17, 2025	0.86% (0.00863)	73.48th	v4 (v2025.03.14)
Dec 12, 2024	0.56% (0.00555)	78.34th	v3 (v2023.03.01)
Feb 8, 2024	0.56% (0.00555)	76.90th	v3 (v2023.03.01)
Mar 7, 2023	0.56% (0.00555)	74.13th	v3 (v2023.03.01)
Mar 6, 2023	1.14% (0.01136)	59.45th	v2 (v2022.01.01)
Oct 18, 2022	1.14% (0.01136)	58.28th	v2 (v2022.01.01)
Apr 1, 2022	1.14% (0.01136)	56.27th	v2 (v2022.01.01)
Feb 4, 2022	1.14% (0.01136)	34.23th	v2 (v2022.01.01)

Weaknesses (1)

CWE-287

Improper Authentication

References (3)

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151209-pca
vendor-advisoryx_refsource_CISCOVendor Advisory
http://www.securityfocus.com/bid/78738
vdb-entryx_refsource_BID
http://www.securitytracker.com/id/1034361
vdb-entryx_refsource_SECTRACK

Link	Providers	Tags
http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20151209-pca		vendor-advisoryx_refsource_CISCOVendor Advisory
http://www.securityfocus.com/bid/78738		vdb-entryx_refsource_BID
http://www.securitytracker.com/id/1034361		vdb-entryx_refsource_SECTRACK

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner cisco

Published Dec 13, 2015

Updated Aug 6, 2024

Reserved Aug 17, 2015

Link CVE-2015-6389

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2015-6389

Red Hat

Severity n/a

Public date n/a

Links CVE-2015-6389