CVE-2015-0653

Expressway Software vulnerability

CVSS

10.0

EPSS

4.3%

EPSS pct

90th

Exploited

No known

The management interface in Cisco TelePresence Video Communication Server (VCS) and Cisco Expressway before X7.2.4, X8 before X8.1.2, and X8.2 before X8.2.2 and Cisco TelePresence Conductor before X2.3.1 and XC2.4 before XC2.4.1 allows remote attackers to bypass authentication via crafted login parameters, aka Bug IDs CSCur02680 and CSCur05556.

Affected vendor

Cisco

Affected product

Expressway Software

CVSS vector

AV:N/AC:L/Au:N/C:C/I:C/A:C

Weakness type (CWE)

CWE-287 — Improper Authentication

Published

2015-03-13

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no authentication. Successful exploitation leads to complete impact to confidentiality, complete impact to integrity, complete impact to availability.

Its EPSS score of 4.3% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 90% of all scored CVEs.

Check your external exposure to CVE-2015-0653

Confirm whether Cisco Expressway Software is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2015-0653.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2015-0653

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2015-0653 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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