Siemens SIMATIC S7-300 PN/SIMATIC S7-400 PN 3.2.12 input validation
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.3 | $0-$5k | 0.00 |
A vulnerability was found in Siemens SIMATIC S7-300 PN and SIMATIC S7-400 PN 3.2.12 (SCADA Software). It has been classified as problematic. Affected is an unknown functionality. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. This is going to have an impact on availability. CVE summarizes:
A vulnerability in SIEMENS SIMATIC S7-300 PN CPUs (all versions including V3.2.12) and SIMATIC S7-400 PN CPUs (V6 and V7) could allow a remote attacker to cause a Denial of Service condition by sending specially crafted packets to port 80/TCP.
The bug was discovered 12/13/2016. The weakness was presented 12/17/2016 (Website). The advisory is available at securityfocus.com. This vulnerability is traded as CVE-2016-9158 since 11/03/2016. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available.
The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $5k-$25k.
It is possible to mitigate the weakness by firewalling tcp/80.
See 94579 for similar entry.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.4VulDB Meta Temp Score: 6.3
VulDB Base Score: 5.3
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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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: 🔍
Exploiting
Class: Input validationCWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
OpenVAS ID: 103180
OpenVAS Name: Siemens SIMATIC S7-300/400 PLC Multiple Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Firewalling: 🔍
Timeline
11/03/2016 🔍12/09/2016 🔍
12/13/2016 🔍
12/16/2016 🔍
12/17/2016 🔍
12/17/2016 🔍
10/12/2022 🔍
Sources
Vendor: siemens.comAdvisory: ssa-731239⛔
Status: Not defined
Confirmation: 🔍
CVE: CVE-2016-9158 (🔍)
SecurityTracker: 1037434
SecurityFocus: 94820 - SIMATIC S7-300 and S7-400 CPUs Denial of Service and Information Disclosure Vulnerabilities
See also: 🔍
Entry
Created: 12/17/2016 19:23Updated: 10/12/2022 08:57
Changes: 12/17/2016 19:23 (61), 07/09/2019 17:16 (7), 10/12/2022 08:57 (5)
Complete: 🔍
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