Siemens SINUMERIK 828D/SINUMERIK 840D sl Authentication Request access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.5$5k-$25k0.00

Summaryinfo

A vulnerability classified as critical has been found in Siemens SINUMERIK 828D and SINUMERIK 840D sl. This vulnerability affects unknown code. The manipulation as part of Authentication Request leads to access control. This vulnerability is traded as CVE-2018-11462. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Siemens SINUMERIK 828D and SINUMERIK 840D sl (version now known). It has been rated as critical. This issue affects some unknown processing. The manipulation as part of a Authentication Request leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

A vulnerability has been identified in SINUMERIK 808D V4.7 (All versions), SINUMERIK 808D V4.8 (All versions), SINUMERIK 828D V4.7 (All versions < V4.7 SP6 HF1), SINUMERIK 840D sl V4.7 (All versions < V4.7 SP6 HF5), SINUMERIK 840D sl V4.8 (All versions < V4.8 SP3). By sending a specially crafted authentication request to the affected systems a remote attacker could escalate his privileges to an elevated user account but not to root. The security vulnerability could be exploited by an attacker with network access to the affected systems. Successful exploitation requires no privileges and no user interaction. The vulnerability could allow an attacker to compromise confidentiality, integrity and availability of the system. At the time of advisory publication no public exploitation of this security vulnerability was known.

The bug was discovered 12/12/2018. The weakness was shared 12/12/2018 (Website). The advisory is shared at cert-portal.siemens.com. The identification of this vulnerability is CVE-2018-11462 since 05/25/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (estimation calculated on 06/18/2023). MITRE ATT&CK project uses the attack technique T1068 for this issue.

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

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 106185†). The entries VDB-127884, VDB-127886, VDB-127887 and VDB-127888 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.5

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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: Access control
CWE: CWE-264
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

05/25/2018 🔍
12/11/2018 +200 days 🔍
12/12/2018 +1 days 🔍
12/12/2018 +0 days 🔍
12/12/2018 +0 days 🔍
12/13/2018 +1 days 🔍
06/18/2023 +1648 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-170881
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-11462 (🔍)
GCVE (CVE): GCVE-0-2018-11462
GCVE (VulDB): GCVE-100-127889
SecurityFocus: 106185 - Siemens SINUMERIK Controllers Multiple Security Vulnerabilities

See also: 🔍

Entryinfo

Created: 12/13/2018 08:52
Updated: 06/18/2023 13:49
Changes: 12/13/2018 08:52 (57), 04/20/2020 14:19 (4), 06/18/2023 13:49 (3)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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