CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.0	$0-$5k	0.00

A vulnerability was found in Cisco IOS and IOS XE (Router Operating System) (affected version unknown). It has been rated as critical. This issue affects an unknown functionality of the component SSHv2 RSA Authentication. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability.

The weakness was published 09/23/2015 as cisco-sa-20150923-sshpk / CSCus73013 as confirmed advisory (Website). The advisory is shared at tools.cisco.com. The identification of this vulnerability is CVE-2015-6280 since 08/17/2015. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 86249 (Cisco IOS SSHv2 RSA-Based User Authentication Bypass (CSCus73013)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO.

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (86249).

Productinfo

Type

• Router Operating System

Vendor

• Cisco

Name

• IOS
• IOS XE

License

• commercial

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 86249
Nessus Name: Cisco IOS SSHv2 RSA-Based User Authentication Bypass (CSCus73013)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 103403
OpenVAS Name: Cisco IOS and IOS XE Software SSH Version 2 RSA-Based User Authentication Bypass Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

08/17/2015 🔍
09/23/2015 +37 days 🔍
09/23/2015 +0 days 🔍
09/23/2015 +0 days 🔍
09/23/2015 +0 days 🔍
09/23/2015 +0 days 🔍
09/24/2015 +1 days 🔍
09/27/2015 +3 days 🔍
09/27/2015 +0 days 🔍
06/19/2022 +2457 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20150923-sshpk / CSCus73013
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-6280 (🔍)
SecurityTracker: 1033646
Vulnerability Center: 52923 - [cisco-sa-20150923-sshpk] Cisco IOS-XE and IOS Remote Security Bypass in SSH Version 2 (SSHv2) Implementation, Critical
SecurityFocus: 76826 - Cisco IOS and IOS XE Software CVE-2015-6280 Authentication Bypass Vulnerability

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

Entryinfo

Created: 09/27/2015 21:31
Updated: 06/19/2022 08:30
Changes: 09/27/2015 21:31 (60), 01/03/2018 09:51 (14), 06/19/2022 08:28 (3), 06/19/2022 08:30 (1)
Complete: 🔍

Discussion

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