Cisco TelePresence VCS / Expressway Series < 7.2.4 / 8.1.2 / 8.2.2 Login Security Bypass Vulnerability

critical Nessus Plugin ID 81974
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Synopsis

The remote host is affected by a security bypass vulnerability.

Description

According to its self-reported version number, the Cisco TelePresence VCS or Expressway Series on the remote host contains an vulnerability due to inadequate validation of parameters passed during the login process. A remote attacker, using a crafted request and knowledge of a valid user name, can bypass authentication requirements and login to the system.

Solution

Upgrade to version 7.2.4 / 8.1.2 / 8.2.2 or later.

See Also

https://tools.cisco.com/bugsearch/bug/CSCur02680

http://www.nessus.org/u?3ed34af5

Plugin Details

Severity: Critical

ID: 81974

File Name: cisco_telepresence_vcs_sa_CSCur02680.nasl

Version: 1.8

Type: remote

Family: CISCO

Published: 3/20/2015

Updated: 11/15/2018

Dependencies: cisco_telepresence_video_communication_server_detect.nbin

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

Temporal Vector: E:U/RL:OF/RC:C

Vulnerability Information

CPE: cpe:/a:cisco:telepresence_video_communication_server_software, cpe:/a:cisco:expressway_software

Required KB Items: Cisco/TelePresence_VCS/Version

Exploit Ease: No known exploits are available

Patch Publication Date: 3/11/2015

Vulnerability Publication Date: 3/11/2015

Reference Information

CVE: CVE-2015-0653

BID: 73044

CISCO-BUG-ID: CSCur02680

CISCO-SA: cisco-sa-20150311-vcs