F5 BIG-IP up to 15.0.1.3/15.1.0.4 information disclosure

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.
5.9$0-$5k0.00

Summaryinfo

A vulnerability has been found in F5 BIG-IP up to 15.0.1.3/15.1.0.4 and classified as critical. Affected by this vulnerability is an unknown functionality. This manipulation causes information disclosure. This vulnerability appears as CVE-2020-5916. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability has been found in F5 BIG-IP up to 15.0.1.3/15.1.0.4 (Firewall Software) and classified as critical. Affected by this vulnerability is an unknown part. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

In BIG-IP versions 15.1.0-15.1.0.4 and 15.0.0-15.0.1.3 the Certificate Administrator user role and higher privileged roles can perform arbitrary file reads outside of the web root directory.

The weakness was presented 08/26/2020 (Website). It is possible to read the advisory at support.f5.com. This vulnerability is known as CVE-2020-5916 since 01/06/2020. The attack can be launched remotely. A single authentication is necessary for exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/26/2020). The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

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

See VDB-160307, VDB-160305, VDB-160302 and VDB-160300 for similar entries. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.9

VulDB Base Score: 5.0
VulDB Temp Score: 5.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.8
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: Information disclosure
CWE: CWE-200 / 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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/06/2020 🔍
08/26/2020 +233 days 🔍
08/26/2020 +0 days 🔍
08/26/2020 +0 days 🔍

Sourcesinfo

Vendor: f5.com

Advisory: support.f5.com
Status: Not defined

CVE: CVE-2020-5916 (🔍)
GCVE (CVE): GCVE-0-2020-5916
GCVE (VulDB): GCVE-100-160303
See also: 🔍

Entryinfo

Created: 08/26/2020 20:51
Updated: 08/26/2020 20:56
Changes: 08/26/2020 20:51 (37), 08/26/2020 20:56 (18)
Complete: 🔍
Cache ID: 216::103

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