Cisco Web Security Appliance prior 10.5.1-270/10.1.1-234 CLI access control

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.4 | $0-$5k | 0.00 |
Summary
A vulnerability classified as critical has been found in Cisco Web Security Appliance. This vulnerability affects unknown code of the component CLI. The manipulation leads to access control. This vulnerability is uniquely identified as CVE-2017-6748. Local access is required to approach this attack. No exploit exists. It is recommended to upgrade the affected component.
Details
A vulnerability was found in Cisco Web Security Appliance (Anti-Malware Software). It has been rated as critical. This issue affects some unknown processing of the component CLI. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability.
The bug was discovered 07/19/2017. The weakness was disclosed 07/19/2017 with Security-Assessment.com as cisco-sa-20170719-wsa2 as confirmed advisory (Website). It is possible to read the advisory at tools.cisco.com. The identification of this vulnerability is CVE-2017-6748 since 03/09/2017. Attacking locally is a requirement. Required for exploitation is a simple 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.
The vulnerability scanner Nessus provides a plugin with the ID 102018 (Cisco Web Security Appliance Multiple Vulnerabilities), 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 l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 316130 (Cisco Web Security Appliance Authenticated Command Injection and Privilege Escalation Vulnerability (cisco-sa-20170719-wsa2)).
Upgrading to version 10.5.1-270 or 10.1.1-234 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at Tenable (102018), SecurityFocus (BID 99918†) and SecurityTracker (ID 1038956†). The entries VDB-104326, VDB-104328, VDB-104329 and VDB-104330 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.
Product
Type
Vendor
Name
License
Website
- Vendor: https://www.cisco.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.7VulDB Meta Temp Score: 6.6
VulDB Base Score: 6.7
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
Vendor Base Score (Cisco): 6.7
Vendor Vector (Cisco): 🔍
NVD Base Score: 6.7
NVD Vector: 🔍
CVSSv2
| 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: 🔍
Exploiting
Class: Access controlCWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: No
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: 102018
Nessus Name: Cisco Web Security Appliance Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 803167
OpenVAS Name: Cisco Web Security Appliance Authenticated Command Injection and Privilege Escalation Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: Web Security Appliance 10.5.1-270/10.1.1-234
Timeline
03/09/2017 🔍07/19/2017 🔍
07/19/2017 🔍
07/19/2017 🔍
07/19/2017 🔍
07/20/2017 🔍
07/21/2017 🔍
07/25/2017 🔍
07/27/2017 🔍
01/06/2021 🔍
Sources
Vendor: cisco.comAdvisory: cisco-sa-20170719-wsa2
Researcher: Daniel Jensen
Organization: Security-Assessment.com
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2017-6748 (🔍)
GCVE (CVE): GCVE-0-2017-6748
GCVE (VulDB): GCVE-100-104327
SecurityFocus: 99918 - Cisco Web Security Appliance CVE-2017-6748 Local Command Injection Vulnerability
SecurityTracker: 1038956
See also: 🔍
Entry
Created: 07/21/2017 10:08Updated: 01/06/2021 07:33
Changes: 07/21/2017 10:08 (87), 10/30/2019 20:55 (7), 01/06/2021 07:27 (2), 01/06/2021 07:33 (1)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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