VDB-154668 · CVE-2020-5888 · GCVE-0-2020-5888

F5 BIG-IP Virtual Edition up to 14.1.2.3/15.0.1.2/15.1.0.1 privileges management

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.
7.2	$5k-$25k	0.00

Summaryinfo

A vulnerability labeled as critical has been found in F5 BIG-IP Virtual Edition up to 14.1.2.3/15.0.1.2/15.1.0.1. This affects an unknown function. The manipulation results in privileges management. This vulnerability was named CVE-2020-5888. The attack needs to be approached within the local network. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as critical, was found in F5 BIG-IP Virtual Edition up to 14.1.2.3/15.0.1.2/15.1.0.1 (Firewall Software). Affected is an unknown part. The manipulation with an unknown input leads to a privileges management vulnerability. CWE is classifying the issue as CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

On versions 15.1.0-15.1.0.1, 15.0.0-15.0.1.2, and 14.1.0-14.1.2.3, BIG-IP Virtual Edition (VE) may expose a mechanism for adjacent network (layer 2) attackers to access local daemons and bypass port lockdown settings.

The weakness was presented 04/30/2020 (Website). The advisory is shared for download at support.f5.com. This vulnerability is traded as CVE-2020-5888 since 01/06/2020. The attack needs to be done within the local network. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 05/01/2020). The MITRE ATT&CK project declares the attack technique as T1068.

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Firewall Software

Vendor

Name

BIG-IP Virtual Edition

Version

License

commercial

Website

Vendor: https://f5.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/06/2020 🔍
04/30/2020 +115 days 🔍
05/01/2020 +1 days 🔍
10/14/2020 +166 days 🔍

Sourcesinfo

Vendor: f5.com

Advisory: support.f5.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-5888 (🔍)
GCVE (CVE): GCVE-0-2020-5888
GCVE (VulDB): GCVE-100-154668

Entryinfo

Created: 05/01/2020 09:30
Updated: 10/14/2020 18:41
Changes: 05/01/2020 09:30 (36), 05/01/2020 09:35 (18), 10/14/2020 18:41 (1)
Complete: 🔍
Cache ID: 216::103