ABB AC500 V2 up to 2.8.4 PLC memory allocation

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability was found in ABB AC500 V2 up to 2.8.4. It has been declared as problematic. This issue affects some unknown processing of the component PLC. Such manipulation leads to memory allocation. This vulnerability is listed as CVE-2020-24685. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in ABB AC500 V2 up to 2.8.4 and classified as critical. Affected by this issue is some unknown processing of the component PLC. The manipulation with an unknown input leads to a memory allocation vulnerability. Using CWE to declare the problem leads to CWE-789. The product allocates memory based on an untrusted, large size value, but it does not ensure that the size is within expected limits, allowing arbitrary amounts of memory to be allocated. Impacted is availability.

The weakness was presented 02/09/2021. The advisory is shared for download at search.abb.com. This vulnerability is handled as CVE-2020-24685. There are neither technical details nor an exploit publicly available.

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

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.5
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory allocation
CWE: CWE-789 / CWE-400 / 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

08/26/2020 🔍
02/09/2021 +167 days 🔍
02/09/2021 +0 days 🔍
02/25/2021 +16 days 🔍

Sourcesinfo

Advisory: search.abb.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-24685 (🔍)
GCVE (CVE): GCVE-0-2020-24685
GCVE (VulDB): GCVE-100-169448

Entryinfo

Created: 02/09/2021 11:38
Updated: 02/25/2021 22:31
Changes: 02/09/2021 11:38 (36), 02/25/2021 22:26 (3), 02/25/2021 22:31 (8)
Complete: 🔍
Cache ID: 216::103

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