Siemens SIMATIC ET 200SP/SIMATIC S7-1500 20.8 Web Server 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.
4.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Siemens SIMATIC ET 200SP and SIMATIC S7-1500 20.8 and classified as problematic. The impacted element is an unknown function of the component Web Server. Such manipulation leads to denial of service. This vulnerability is traded as CVE-2020-15796. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Siemens SIMATIC ET 200SP and SIMATIC S7-1500 20.8 (SCADA Software). It has been rated as problematic. Affected by this issue is an unknown code of the component Web Server. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability.

The weakness was shared 12/15/2020 as ssa-700697. The advisory is shared for download at cert-portal.siemens.com. This vulnerability is handled as CVE-2020-15796. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 12/15/2020). The MITRE ATT&CK project declares the attack technique as T1499.

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

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
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

07/15/2020 🔍
12/15/2020 +153 days 🔍
12/15/2020 +0 days 🔍
12/17/2020 +2 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-700697
Status: Confirmed

CVE: CVE-2020-15796 (🔍)
GCVE (CVE): GCVE-0-2020-15796
GCVE (VulDB): GCVE-100-166184

Entryinfo

Created: 12/15/2020 06:55
Updated: 12/17/2020 10:02
Changes: 12/15/2020 06:55 (38), 12/17/2020 10:02 (2)
Complete: 🔍
Cache ID: 216::103

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