Cisco NX-OS up to 6.0(2)U6(5) on Nexus 3000 improper authentication

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 9.1 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Cisco NX-OS on Nexus 3000 and classified as critical. Affected by this issue is some unknown functionality. Executing a manipulation can lead to improper authentication. This vulnerability appears as CVE-2016-1329. The attack may be performed from remote. There is no available exploit. It is suggested to upgrade the affected component.
Details
A vulnerability has been found in Cisco NX-OS on Nexus 3000 (Router Operating System) and classified as critical. This vulnerability affects an unknown code. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was presented 03/02/2016 with Cisco as cisco-sa-20160302-n3k as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability was named CVE-2016-1329 since 01/04/2016. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.
The vulnerability scanner Nessus provides a plugin with the ID 89083 (Cisco Nexus 3000 and 3500 Insecure Default Telnet Credentials (cisco-sa-20160302-n3k)), 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 43484 (Cisco Nexus 3000 Series Insecure Default Credentials Vulnerability (cisco-sa-20160302-n3k)).
Upgrading eliminates this vulnerability. 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 (111181), Tenable (89083), SecurityFocus (BID 83945†) and Vulnerability Center (SBV-56981†). See VDB-81151 and VDB-81150 for similar entries. Once again VulDB remains the best source for vulnerability data.
Product
Type
Vendor
Name
Version
- 6.0(2)A6(1)
- 6.0(2)A6(2)
- 6.0(2)A6(3)
- 6.0(2)A6(4)
- 6.0(2)A6(5)
- 6.0(2)U6(1)
- 6.0(2)U6(2)
- 6.0(2)U6(3)
- 6.0(2)U6(4)
- 6.0(2)U6(5)
License
Website
- Vendor: https://www.cisco.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 9.8VulDB Meta Temp Score: 9.1
VulDB Base Score: 9.8
VulDB Temp Score: 8.5
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 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: Improper authenticationCWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Unproven
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 89083
Nessus Name: Cisco Nexus 3000 and 3500 Insecure Default Telnet Credentials (cisco-sa-20160302-n3k)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 103402
OpenVAS Name: Cisco NX-OS Default Credentials Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
01/04/2016 🔍03/01/2016 🔍
03/01/2016 🔍
03/02/2016 🔍
03/02/2016 🔍
03/02/2016 🔍
03/03/2016 🔍
03/03/2016 🔍
03/03/2016 🔍
07/08/2022 🔍
Sources
Vendor: cisco.comAdvisory: cisco-sa-20160302-n3k
Organization: Cisco
Status: Confirmed
CVE: CVE-2016-1329 (🔍)
GCVE (CVE): GCVE-0-2016-1329
GCVE (VulDB): GCVE-100-81148
X-Force: 111181 - Cisco Nexus 3000 Series Switches privilege escalation
SecurityFocus: 83945 - Cisco Nexus 3000 Series and 3500 Platform Switches Insecure Default Password Vulnerability
SecurityTracker: 1035161
Vulnerability Center: 56981 - [cisco-sa-20160302-n3k] Cisco NX-OS on Nexus Devices Remote Privilege Escalation, Critical
See also: 🔍
Entry
Created: 03/03/2016 10:52Updated: 07/08/2022 20:49
Changes: 03/03/2016 10:52 (71), 05/04/2019 19:17 (16), 07/08/2022 20:49 (5)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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