Cisco IOS Service Module access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability, which was classified as critical, was found in Cisco IOS (Router Operating System) (affected version not known). Affected is some unknown functionality of the component Service Module. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Cisco IOS on Catalyst 3750X switches has default Service Module credentials, which makes it easier for local users to gain privileges via a Service Module login, aka Bug ID CSCue92286.

The weakness was disclosed 10/24/2013 as CVE-2013-5522 as confirmed advisory (Website). The advisory is shared for download at The public release has been coordinated in cooperation with the vendor. This vulnerability is traded as CVE-2013-5522 since 08/22/2013. The exploitability is told to be easy. The attack needs to be approached locally. A authentication is required for exploitation. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

The exploit is shared for download at It is declared as proof-of-concept. As 0-day the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 70894 (Cisco Catalyst 3750-X Series Switch Default Credentials Vulnerability (CSCue92286)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO.

The best possible mitigation is suggested to be Workaround. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (70894).






  • commercial

CPE 2.3info

CPE 2.2info


VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.8
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍



VulDB Base Score: 🔍
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Class: Access control
CWE: CWE-264
ATT&CK: T1068

Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍


Nessus ID: 70894
Nessus Name: Cisco Catalyst 3750-X Series Switch Default Credentials Vulnerability (CSCue92286)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

Threat Intelligenceinfo

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


Recommended: Workaround
Status: 🔍

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

Workaround: Contact Support


08/22/2013 🔍
10/24/2013 +62 days 🔍
10/24/2013 +0 days 🔍
10/24/2013 +0 days 🔍
10/24/2013 +0 days 🔍
10/25/2013 +1 days 🔍
10/27/2013 +2 days 🔍
10/28/2013 +1 days 🔍
11/13/2013 +16 days 🔍
06/01/2021 +2757 days 🔍



Advisory: CVE-2013-5522
Status: Confirmed
Coordinated: 🔍

CVE: CVE-2013-5522 (🔍)
Vulnerability Center: 42103 - Cisco IOS on Catalyst 3750X Local Bypass Restrictions Vulnerability via a Service Module Login, Medium
SecurityFocus: 63342
OSVDB: 98918

scip Labs:


Created: 10/28/2013 11:13 AM
Updated: 06/01/2021 01:44 PM
Changes: 10/28/2013 11:13 AM (48), 05/14/2017 09:45 AM (23), 06/01/2021 01:38 PM (4), 06/01/2021 01:44 PM (1)
Complete: 🔍


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