Mitsubishi Electric MELQIC IU1 up to 1.0.7 TCP Crafted Packet session fixiation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.5$0-$5k0.00

A vulnerability classified as critical has been found in Mitsubishi Electric MELQIC IU1 up to 1.0.7. This affects an unknown function of the component TCP Handler. The manipulation as part of a Crafted Packet leads to a session fixiation vulnerability. CWE is classifying the issue as CWE-384. Authenticating a user, or otherwise establishing a new user session, without invalidating any existing session identifier gives an attacker the opportunity to steal authenticated sessions. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

TCP function included in the firmware of Mitsubishi Electric MELQIC IU1 series IU1-1M20-D firmware version 1.0.7 and earlier does not properly manage sessions, which allows remote attackers to stop the network functions or execute malware via a specially crafted packet.

The weakness was released 03/16/2020. This vulnerability is uniquely identified as CVE-2020-5543 since 01/06/2020. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

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

Entries connected to this vulnerability are available at VDB-151645, VDB-151644, VDB-151643 and VDB-151642.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Session fixiation
CWE: CWE-384
CAPEC: 🔍
ATT&CK: 🔍

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

01/06/2020 🔍
03/16/2020 +70 days 🔍
03/16/2020 +0 days 🔍
04/16/2024 +1492 days 🔍

Sourcesinfo

Advisory: jvn.jp
Status: Not defined

CVE: CVE-2020-5543 (🔍)
See also: 🔍

Entryinfo

Created: 03/16/2020 08:54 AM
Updated: 04/16/2024 01:41 PM
Changes: 03/16/2020 08:54 AM (37), 03/16/2020 08:59 AM (17), 04/16/2024 01:41 PM (17)
Complete: 🔍
Cache ID: 18:27E:40

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