Cisco ASA up to 9.5.1 DCERPC Inspection Firewall access control
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
4.3 | $5k-$25k | 0.00 |
A vulnerability was found in Cisco ASA up to 9.5.1 (Firewall Software). It has been rated as critical. This issue affects some unknown processing of the component DCERPC Inspection. The manipulation with an unknown input leads to a access control vulnerability (Firewall). Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. The summary by CVE is:
The DCERPC Inspection implementation in Cisco Adaptive Security Appliance (ASA) Software 9.4.1 through 9.5.1 allows remote authenticated users to bypass an intended DCERPC-only ACL by sending arbitrary network traffic, aka Bug ID CSCuu67782.
The weakness was released 01/15/2016 with Cisco (Website). The advisory is shared at tools.cisco.com. The identification of this vulnerability is CVE-2015-6423 since 08/17/2015. The attack may be initiated remotely. Required for exploitation is a simple authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 07/03/2022). MITRE ATT&CK project uses the attack technique T1068 for this issue.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Product
Type
Vendor
Name
Version
License
Support
- end of life (old version)
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.3VulDB Meta Temp Score: 4.3
VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 4.3
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
Name: FirewallClass: Access control / Firewall
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍
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 |
OpenVAS ID: 800316
OpenVAS Name: Cisco ASA Non-DCERPC Traffic Bypass Vulnerability March16
OpenVAS File: 🔍
OpenVAS Family: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
Timeline
08/17/2015 🔍01/11/2016 🔍
01/11/2016 🔍
01/14/2016 🔍
01/14/2016 🔍
01/15/2016 🔍
01/15/2016 🔍
07/03/2022 🔍
Sources
Vendor: cisco.comAdvisory: tools.cisco.com
Organization: Cisco
Status: Not defined
CVE: CVE-2015-6423 (🔍)
SecurityTracker: 1034644
Vulnerability Center: 55697 - [cisco-sa-20160111-asa] Cisco Adaptive Security Appliance (ASA) Remote Traffic Bypass Vulnerability, Low
SecurityFocus: 80249 - Cisco Adaptive Security Appliance Software CVE-2015-6423 Security Bypass Vulnerability
Entry
Created: 01/15/2016 09:32Updated: 07/03/2022 13:07
Changes: 01/15/2016 09:32 (58), 06/21/2018 09:01 (14), 07/03/2022 13:07 (2)
Complete: 🔍
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