Cisco IOS/IOS XE 15.5(2.25)T X.509v3 SSH Authentication improper authentication
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
7.1 | $0-$5k | 0.00 |
A vulnerability was found in Cisco IOS and IOS XE 15.5(2.25)T (Router Operating System) and classified as critical. Affected by this issue is an unknown code of the component X.509v3 SSH Authentication. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability.
The bug was discovered 12/07/2016. The weakness was presented 12/07/2016 as cisco-sa-20161207-ios-xe-x509 as confirmed advisory (Website). The advisory is shared for download at tools.cisco.com. This vulnerability is handled as CVE-2016-6474 since 07/26/2016. The attack may be launched remotely. A simple authentication is needed for exploitation. There are neither technical details nor an exploit publicly available.
Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
See 94027 for similar entry.
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: 7.3VulDB Meta Temp Score: 7.1
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.3
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
Class: Improper authenticationCWE: CWE-287
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: 65708
OpenVAS Name: Cisco IOS Software SSH X.509 Authentication Bypass Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
07/26/2016 🔍12/07/2016 🔍
12/07/2016 🔍
12/07/2016 🔍
12/07/2016 🔍
12/09/2016 🔍
12/10/2016 🔍
12/13/2016 🔍
10/05/2022 🔍
Sources
Vendor: cisco.comAdvisory: cisco-sa-20161207-ios-xe-x509
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2016-6474 (🔍)
OVAL: 🔍
SecurityTracker: 1037420
SecurityFocus: 94773 - Cisco IOS and IOS XE Software CVE-2016-6474 Authentication Bypass Vulnerability
scip Labs: https://www.scip.ch/en/?labs.20150108
See also: 🔍
Entry
Created: 12/10/2016 18:33Updated: 10/05/2022 13:54
Changes: 12/10/2016 18:33 (64), 06/23/2019 09:31 (13), 10/05/2022 13:54 (3)
Complete: 🔍
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