Mitsubishi Electric MELSEC iQ-R/MELSEC Q/MELSEC L Length denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Mitsubishi Electric MELSEC iQ-R, MELSEC Q and MELSEC L and classified as problematic. The impacted element is an unknown function. Such manipulation of the argument Length leads to denial of service. This vulnerability is documented as CVE-2021-20610. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Mitsubishi Electric MELSEC iQ-R, MELSEC Q and MELSEC L (the affected version is unknown). Affected by this issue is an unknown code. The manipulation of the argument Length with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability.

The weakness was released 12/01/2021 as icsa-21-334-02. The advisory is shared for download at us-cert.cisa.gov. This vulnerability is handled as CVE-2021-20610 since 12/17/2020. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1499.

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
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: Denial of service
CWE: CWE-404
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

12/17/2020 🔍
12/01/2021 +349 days 🔍
12/01/2021 +0 days 🔍
12/08/2021 +7 days 🔍

Sourcesinfo

Advisory: icsa-21-334-02
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-20610 (🔍)
GCVE (CVE): GCVE-0-2021-20610
GCVE (VulDB): GCVE-100-187436

Entryinfo

Created: 12/01/2021 19:51
Updated: 12/08/2021 10:01
Changes: 12/01/2021 19:51 (38), 12/08/2021 10:00 (1), 12/08/2021 10:01 (18)
Complete: 🔍
Cache ID: 216::103

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