Cisco ASR 5000 16.0(900) telnetd resource management

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.

A vulnerability, which was classified as problematic, has been found in Cisco ASR 5000 16.0(900) (Router Operating System). Affected by this issue is an unknown code of the component telnetd. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. CVE summarizes:

Cisco ASR 5000 devices with software 16.0(900) allow remote attackers to cause a denial of service (telnetd process restart) via a TELNET connection, aka Bug ID CSCuv25815.

The weakness was presented 11/25/2015 as CSCuv25815 as confirmed advisory (Website). The advisory is shared for download at This vulnerability is handled as CVE-2015-6382 since 08/17/2015. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability is also documented in the databases at X-Force (108314) and Vulnerability Center (SBV-54633).






  • commercial

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.3
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍



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

NVD Base Score: 🔍


Class: Resource management
CWE: CWE-399 / CWE-404
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfo

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


Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍


08/17/2015 🔍
11/25/2015 +100 days 🔍
11/25/2015 +0 days 🔍
11/25/2015 +0 days 🔍
11/26/2015 +1 days 🔍
11/26/2015 +0 days 🔍
06/27/2022 +2405 days 🔍



Advisory: CSCuv25815
Status: Confirmed

CVE: CVE-2015-6382 (🔍)
X-Force: 108314 - Cisco Aggregation Services Router Telnet denial of service
SecurityTracker: 1034254
Vulnerability Center: 54633 - [cisco-sa-20151125-asr5000] Cisco ASR 5000 Devices with Software 16.0(900) Remote DoS via a TELNET Connection, Medium


Created: 11/26/2015 10:17 AM
Updated: 06/27/2022 07:31 PM
Changes: 11/26/2015 10:17 AM (52), 04/20/2018 09:27 AM (6), 06/27/2022 07:31 PM (3)
Complete: 🔍


No comments yet. Languages: en.

Please log in to comment.

Want to stay up to date on a daily basis?

Enable the mail alert feature now!