VDB-92713 · CVE-2016-6438 · BID 93518

Cisco IOS XE up to 3.18.1S on cBR-8 vty Configuration access control

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco IOS XE 3.16S/3.17S/3.18.0S/3.18.0SP/3.18.1S on cBR-8. It has been classified as critical. Impacted is an unknown function of the component vty Configuration. This manipulation causes access control. This vulnerability appears as CVE-2016-6438. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in Cisco IOS XE 3.16S/3.17S/3.18.0S/3.18.0SP/3.18.1S on cBR-8 (Router Operating System) and classified as critical. Affected by this vulnerability is an unknown code block of the component vty Configuration. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect integrity.

The weakness was presented 10/12/2016 with Cisco as cisco-sa-20161012-cbr-8 / CSCuz62815 as confirmed advisory (Website). The advisory is shared at tools.cisco.com. This vulnerability is known as CVE-2016-6438 since 07/26/2016. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at SecurityFocus (BID 93518†) and SecurityTracker (ID 1037003†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 5.9
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.9
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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OpenVAS ID: 103403
OpenVAS Name: Cisco cBR-8 Converged Broadband Router vty Integrity Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/26/2016 🔍
10/12/2016 +78 days 🔍
10/12/2016 +0 days 🔍
10/13/2016 +1 days 🔍
10/14/2016 +1 days 🔍
10/27/2016 +13 days 🔍
09/26/2022 +2160 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20161012-cbr-8 / CSCuz62815
Organization: Cisco
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-6438 (🔍)
GCVE (CVE): GCVE-0-2016-6438
GCVE (VulDB): GCVE-100-92713

OVAL: 🔍

SecurityFocus: 93518 - Cisco IOS XE Software CVE-2016-6438 Remote Security Bypass Vulnerability
SecurityTracker: 1037003

scip Labs: https://www.scip.ch/en/?labs.20150108

Entryinfo

Created: 10/14/2016 11:46
Updated: 09/26/2022 09:18
Changes: 10/14/2016 11:46 (63), 05/09/2019 14:49 (13), 09/26/2022 09:18 (3)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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