VDB-100458 · CVE-2017-8050 · Qualys 11802

Tenable Appliance 4.4.0 Web UI access control

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	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.
8.3	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Tenable Appliance 4.4.0. The affected element is an unknown function of the component Web UI. The manipulation results in access control. This vulnerability was named CVE-2017-8050. The attack may be performed from remote. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as very critical has been found in Tenable Appliance 4.4.0. Affected is an unknown functionality of the component Web UI. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Tenable Appliance 4.4.0, and possibly prior, contains a flaw in the Web UI that allows for the unauthorized manipulation of the admin password.

The bug was discovered 04/18/2017. The weakness was presented 04/21/2017 (Website). The advisory is available at tenable.com. This vulnerability is traded as CVE-2017-8050 since 04/21/2017. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 09/19/2020). This vulnerability is assigned to T1068 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $5k-$25k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 11802 (Tenable Appliance Multiple Security Vulnerabilities).

Upgrading to version 4.5 eliminates this vulnerability.

See VDB-97730 and VDB-100459 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

Tenable

Name

Appliance

Version

4.4.0

License

free

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.7
VulDB Meta Temp Score: 8.5

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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: 🔍

Vendor Base Score (Tenable): 🔍
NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
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

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Appliance 4.5

Timelineinfo

04/18/2017 🔍
04/21/2017 +3 days 🔍
04/21/2017 +0 days 🔍
04/21/2017 +0 days 🔍
04/22/2017 +1 days 🔍
09/19/2020 +1246 days 🔍

Sourcesinfo

Advisory: tenable.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-8050 (🔍)
GCVE (CVE): GCVE-0-2017-8050
GCVE (VulDB): GCVE-100-100458
OSVDB: - CVE-2017-8050 - Tenable Appliance - Password Manipulation Issue

See also: 🔍

Entryinfo

Created: 04/22/2017 08:48
Updated: 09/19/2020 16:40
Changes: 04/22/2017 08:48 (68), 09/19/2020 16:40 (3)
Complete: 🔍
Cache ID: 216::103

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