F5 BIG-IP/BIG-IP Virtual Edition up to 15.1.1/up to 16.0.0.1 TCP Sequence Number random values

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability was found in F5 BIG-IP and BIG-IP Virtual Edition up to 15.1.1/up to 16.0.0.1. It has been rated as problematic. This affects an unknown function of the component TCP Sequence Number Handler. This manipulation causes random values. This vulnerability is handled as CVE-2020-5947. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as problematic was found in F5 BIG-IP and BIG-IP Virtual Edition up to 15.1.1/up to 16.0.0.1 (Firewall Software). Affected by this vulnerability is an unknown function of the component TCP Sequence Number Handler. The manipulation with an unknown input leads to a random values vulnerability. The CWE definition for the vulnerability is CWE-330. The product uses insufficiently random numbers or values in a security context that depends on unpredictable numbers. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 11/19/2020 as K64571774. It is possible to read the advisory at support.f5.com. This vulnerability is known as CVE-2020-5947. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1600.001 according to MITRE ATT&CK.

Upgrading eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.9

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.3
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: Random values
CWE: CWE-330 / CWE-310
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/06/2020 🔍
11/19/2020 +318 days 🔍
11/19/2020 +0 days 🔍
12/09/2020 +20 days 🔍

Sourcesinfo

Vendor: f5.com

Advisory: K64571774
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-5947 (🔍)
GCVE (CVE): GCVE-0-2020-5947
GCVE (VulDB): GCVE-100-165151

Entryinfo

Created: 11/19/2020 08:26
Updated: 12/09/2020 07:39
Changes: 11/19/2020 08:26 (39), 12/09/2020 07:37 (6), 12/09/2020 07:39 (18)
Complete: 🔍
Cache ID: 216::103

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