CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.8 | $0-$5k | 0.00 |
A vulnerability, which was classified as problematic, was found in Mitsubishi Electric MELSEC-Q (version now known). This affects some unknown processing of the component PLC. The manipulation with an unknown input leads to a resource management vulnerability. CWE is classifying the issue as CWE-399. This is going to have an impact on availability. The summary by CVE is:
An issue was discovered in Mitsubishi Electric Automation MELSEC-Q series Ethernet interface modules QJ71E71-100, all versions, QJ71E71-B5, all versions, and QJ71E71-B2, all versions. The affected Ethernet interface module is connected to a MELSEC-Q PLC, which may allow a remote attacker to connect to the PLC via Port 5002/TCP and cause a denial of service, requiring the PLC to be reset to resume operation. This is caused by an Unrestricted Externally Accessible Lock.
The bug was discovered 12/01/2016. The weakness was shared 02/13/2017 (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is uniquely identified as CVE-2016-8368 since 09/28/2016. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available.
The vulnerability was handled as a non-public zero-day exploit for at least 74 days. During that time the estimated underground price was around $0-$5k.
It is possible to mitigate the weakness by firewalling tcp/5002.
The entry 96881 is related to this item.
Product
Vendor
Name
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: 6.9VulDB Meta Temp Score: 6.9
VulDB Base Score: 5.3
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.6
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: Resource managementCWE: CWE-399 / CWE-404
ATT&CK: Unknown
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: FirewallStatus: 🔍
0-Day Time: 🔍
Firewalling: 🔍
Timeline
09/28/2016 🔍12/01/2016 🔍
12/01/2016 🔍
02/13/2017 🔍
02/13/2017 🔍
02/14/2017 🔍
09/02/2020 🔍
Sources
Advisory: securityfocus.com⛔Status: Not defined
CVE: CVE-2016-8368 (🔍)
SecurityFocus: 94632 - Multiple Mitsubishi Electric MELSEC-Q Series Security Bypass and Denial of Service Vulnerabilities
OSVDB: - CVE-2016-8368 - Mitsubishi Electric Automation - MELSEC-Q - Denial of Service Issue
See also: 🔍
Entry
Created: 02/14/2017 09:10Updated: 09/02/2020 07:43
Changes: 02/14/2017 09:10 (59), 09/02/2020 07:43 (5)
Complete: 🔍
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