Enterprise Networking Operating System on IBM/Lenovo improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.7$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Enterprise Networking Operating System on IBM/Lenovo. This impacts an unknown function. The manipulation results in improper authentication. This vulnerability is cataloged as CVE-2017-3765. The attack must be initiated from a local position. There is no exploit available.

Detailsinfo

A vulnerability was found in Enterprise Networking Operating System on IBM/Lenovo (Feedback Software) (affected version unknown). It has been classified as critical. Affected is an unknown functionality. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

In Enterprise Networking Operating System (ENOS) in Lenovo and IBM RackSwitch and BladeCenter products, an authentication bypass known as "HP Backdoor" was discovered during a Lenovo security audit in the serial console, Telnet, SSH, and Web interfaces. This bypass mechanism can be accessed when performing local authentication under specific circumstances. If exploited, admin-level access to the switch is granted.

The bug was discovered 01/09/2018. The weakness was shared 01/10/2018 (Website). The advisory is available at support.lenovo.com. This vulnerability is traded as CVE-2017-3765 since 12/16/2016. The exploitability is told to be difficult. Local access is required to approach this attack. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.7

VulDB Base Score: 4.5
VulDB Temp Score: 4.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.0
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/16/2016 🔍
01/09/2018 +389 days 🔍
01/10/2018 +1 days 🔍
01/10/2018 +0 days 🔍
01/11/2018 +1 days 🔍
01/29/2021 +1114 days 🔍

Sourcesinfo

Advisory: support.lenovo.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-3765 (🔍)
GCVE (CVE): GCVE-0-2017-3765
GCVE (VulDB): GCVE-100-111714
SecurityTracker: 1040296

Entryinfo

Created: 01/11/2018 16:28
Updated: 01/29/2021 18:01
Changes: 01/11/2018 16:28 (55), 12/29/2019 08:29 (2), 01/29/2021 18:01 (2)
Complete: 🔍
Cache ID: 216:360:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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