VDB-169557 · CVE-2020-10048 · ssa-944678

Siemens SIMATIC PCS 7/SIMATIC WinCC authentication bypass

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.
5.7	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Siemens SIMATIC PCS 7 and SIMATIC WinCC and classified as critical. This vulnerability affects unknown code. Performing a manipulation results in authentication bypass. This vulnerability is reported as CVE-2020-10048. No exploit exists. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Siemens SIMATIC PCS 7 and SIMATIC WinCC (SCADA Software) (the affected version unknown). It has been classified as critical. This affects an unknown part. The manipulation with an unknown input leads to a authentication bypass vulnerability. CWE is classifying the issue as CWE-288. A product requires authentication, but the product has an alternate path or channel that does not require authentication. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was disclosed 02/10/2021 as ssa-944678. The advisory is shared at cert-portal.siemens.com. This vulnerability is uniquely identified as CVE-2020-10048. Neither technical details nor an exploit are publicly available.

Upgrading eliminates this vulnerability.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

SCADA Software

Vendor

Siemens

Name

License

commercial

Website

Vendor: https://www.siemens.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

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: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Authentication bypass
CWE: CWE-288 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/04/2020 🔍
02/10/2021 +343 days 🔍
02/10/2021 +0 days 🔍
02/26/2021 +16 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-944678
Status: Not defined

CVE: CVE-2020-10048 (🔍)
GCVE (CVE): GCVE-0-2020-10048
GCVE (VulDB): GCVE-100-169557

Entryinfo

Created: 02/10/2021 07:30
Updated: 02/26/2021 14:55
Changes: 02/10/2021 07:30 (37), 02/26/2021 14:52 (5), 02/26/2021 14:55 (18)
Complete: 🔍
Cache ID: 216::103