F5 BIG-IP DNS up to 16.0.0.1 TMM denial of service

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.
3.5	$0-$5k	0.00

Summaryinfo

A vulnerability was found in F5 BIG-IP DNS up to 12.1.5.2/13.1.3.4/14.1.3/15.1.0.5/16.0.0.1. It has been classified as problematic. This affects an unknown part of the component TMM. Performing a manipulation results in denial of service. This vulnerability was named CVE-2020-27717. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as problematic, was found in F5 BIG-IP DNS up to 12.1.5.2/13.1.3.4/14.1.3/15.1.0.5/16.0.0.1 (Firewall Software). This affects an unknown code block of the component TMM. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability.

The weakness was presented 12/25/2020 as K43850230. The advisory is shared at support.f5.com. This vulnerability is uniquely identified as CVE-2020-27717. Neither technical details nor an exploit are publicly available.

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

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Productinfo

Type

Firewall Software

Vendor

Name

BIG-IP DNS

Version

License

commercial

Website

Vendor: https://f5.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.5

VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

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: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
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

12/25/2020 🔍
12/25/2020 +0 days 🔍
12/25/2020 +0 days 🔍

Sourcesinfo

Vendor: f5.com

Advisory: K43850230
Status: Not defined

CVE: CVE-2020-27717 (🔍)
GCVE (CVE): GCVE-0-2020-27717
GCVE (VulDB): GCVE-100-166773

Entryinfo

Created: 12/25/2020 13:14
Changes: 12/25/2020 13:14 (38)
Complete: 🔍
Cache ID: 216::103