CVE-2015-4319 — The password-change feature in the administrative web interface in Cisco TelePresence Video Communication Server (VCS) Expressway X8.5.1 improperly performs authorization, which allows remote authenticated users to reset arbitrary active-user passwords via unspecified vectors, aka Bug ID CSCuv12338

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MEDIUM

The password-change feature in the administrative web interface in Cisco TelePresence Video Communication Server (VCS) Expressway X8.5.1 improperly performs authorization, which allows remote authenticated users to reset arbitrary active-user passwords via unspecified vectors, aka Bug ID CSCuv12338

Published Aug 20, 2015

5.5

MEDIUM

CVSS 2.0

EPSS 2.41%

Description

The password-change feature in the administrative web interface in Cisco TelePresence Video Communication Server (VCS) Expressway X8.5.1 improperly performs authorization, which allows remote authenticated users to reset arbitrary active-user passwords via unspecified vectors, aka Bug ID CSCuv12338.

Affected products

Remediation

No remediation recorded yet.

Metrics

2.41% 0.02407

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

EPSS probability 0.02407

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	2.41% (0.02407)	83.47th	v5 (v2026.06.15)
Jun 15, 2026	2.41% (0.02407)	81.86th	v5 (v2026.06.15)
Mar 17, 2025	0.74% (0.00744)	71.29th	v4 (v2025.03.14)
Dec 12, 2024	0.10% (0.00103)	43.67th	v3 (v2023.03.01)
Jul 10, 2024	0.10% (0.00103)	42.47th	v3 (v2023.03.01)
Mar 7, 2023	0.10% (0.00103)	40.45th	v3 (v2023.03.01)
Mar 6, 2023	1.06% (0.01061)	52.82th	v2 (v2022.01.01)
Sep 19, 2022	1.06% (0.01061)	51.19th	v2 (v2022.01.01)
Apr 1, 2022	1.06% (0.01061)	49.19th	v2 (v2022.01.01)
Feb 4, 2022	1.06% (0.01061)	28.23th	v2 (v2022.01.01)

Weaknesses (1)

CWE-255

References (3)

http://tools.cisco.com/security/center/viewAlert.x?alertId=40442
vendor-advisoryx_refsource_CISCOVendor Advisory
http://www.securityfocus.com/bid/76366
vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1033323
vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry

Link	Providers	Tags
http://tools.cisco.com/security/center/viewAlert.x?alertId=40442		vendor-advisoryx_refsource_CISCOVendor Advisory
http://www.securityfocus.com/bid/76366		vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1033323		vdb-entryx_refsource_SECTRACKThird Party AdvisoryVDB Entry

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner cisco

Published Aug 20, 2015

Updated Aug 6, 2024

Reserved Jun 4, 2015

Link CVE-2015-4319

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2015-4319

Red Hat

Severity n/a

Public date n/a

Links CVE-2015-4319