Cisco IOS up to 12.4jda scp Server access control

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco IOS up to 12.4jda. It has been rated as problematic. The affected element is an unknown function of the component scp Server. This manipulation causes access control. This vulnerability appears as CVE-2009-0637. There is no available exploit. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in Cisco IOS up to 12.4jda (Router Operating System). It has been declared as critical. Affected by this vulnerability is an unknown function of the component scp Server. 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 confidentiality, integrity, and availability. The summary by CVE is:

The SCP server in Cisco IOS 12.2 through 12.4, when Role-Based CLI Access is enabled, does not enforce the CLI view configuration for file transfers, which allows remote authenticated users with an attached CLI view to (1) read or (2) overwrite arbitrary files via an SCP command.

The bug was discovered 03/25/2009. The weakness was presented 03/27/2009 (Website). It is possible to read the advisory at cisco.com. This vulnerability is known as CVE-2009-0637 since 02/18/2009. The exploitation appears to be difficult. The attack can be launched remotely. The successful exploitation requires a single authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 49032 (Cisco IOS Software Secure Copy Privilege Escalation Vulnerability - Cisco Systems), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CISCO and running in the context c. The commercial vulnerability scanner Qualys is able to test this issue with plugin 43157 (Cisco IOS Software Secure Copy Privilege Escalation Vulnerability (cisco-sa-20090325-scp)).

Applying a patch is able to eliminate this problem. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (49423), Tenable (49032), SecurityFocus (BID 34247†), OSVDB (53132†) and Secunia (SA34438†). See VDB-47382, VDB-47381, VDB-47380 and VDB-47379 for similar entries. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.5
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 49032
Nessus Name: Cisco IOS Software Secure Copy Privilege Escalation Vulnerability - Cisco Systems
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 64169
OpenVAS Name: Ubuntu USN-743-1 (gs-gpl)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/18/2009 🔍
03/25/2009 +35 days 🔍
03/25/2009 +0 days 🔍
03/25/2009 +0 days 🔍
03/25/2009 +0 days 🔍
03/25/2009 +0 days 🔍
03/26/2009 +1 days 🔍
03/26/2009 +0 days 🔍
03/27/2009 +1 days 🔍
03/27/2009 +0 days 🔍
09/01/2010 +523 days 🔍
03/17/2015 +1658 days 🔍
05/03/2025 +3700 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2009-0637 (🔍)
GCVE (CVE): GCVE-0-2009-0637
GCVE (VulDB): GCVE-100-47383
X-Force: 49423
SecurityFocus: 34247 - Cisco IOS Secure Copy Remote Privilege Escalation Vulnerability
Secunia: 34438 - Cisco IOS Multiple Vulnerabilities, Moderately Critical
OSVDB: 53132 - CVE-2009-0637 - Cisco - IOS - Privilege Escalation Issue
SecurityTracker: 1021899
Vulnerability Center: 21382 - [cisco-sa-20090325-scp] Cisco IOS 12.2EX-12.4YA Remote Authenticated Privilege Escalation and DoS, Medium
Vupen: ADV-2009-0851

See also: 🔍

Entryinfo

Created: 03/17/2015 23:38
Updated: 05/03/2025 12:07
Changes: 03/17/2015 23:38 (80), 08/31/2019 13:02 (6), 05/03/2025 12:07 (18)
Complete: 🔍
Cache ID: 216::103

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