CVE-2021-38432

Published on: 10/15/2021 12:00:00 AM UTC

Last Modified on: 10/20/2021 08:08:00 PM UTC

CVE-2021-38432 - advisory for ICSA_21-280-07

Source: Mitre Source: NIST CVE.ORG Print: PDF PDF
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Certain versions of Communication Server from Fatek contain the following vulnerability:

FATEK Automation Communication Server Versions 1.13 and prior lacks proper validation of user-supplied data, which could result in a stack-based buffer overflow condition and allow an attacker to remotely execute code.

  • CVE-2021-38432 has been assigned by URL Logo ics-[email protected] to track the vulnerability - currently rated as CRITICAL severity.
  • Affected Vendor/Software: URL Logo FATEK Automation - Communication Server version <= 1.13
Vulnerability Patch/Work Around
  • FATEK Automation has not responded to requests to work with CISA to mitigate this vulnerability. Users of these affected products are invited to contact FATEK customer support for additional information.

CVSS3 Score: 9.8 - CRITICAL

Attack
Vector ⓘ		 Attack
Complexity		 Privileges
Required		 User
Interaction
NETWORK LOW NONE NONE
Scope Confidentiality
Impact		 Integrity
Impact		 Availability
Impact
UNCHANGED HIGH HIGH HIGH

CVSS2 Score: 7.5 - HIGH

Access
Vector ⓘ		 Access
Complexity		 Authentication
NETWORK LOW NONE
Confidentiality
Impact		 Integrity
Impact		 Availability
Impact
PARTIAL PARTIAL PARTIAL

CVE References

Description Tags ⓘ Link
FATEK Automation Communication Server | CISA us-cert.cisa.gov
text/html
 URL Logo MISC us-cert.cisa.gov/ics/advisories/icsa-21-280-07
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Related QID Numbers

  • 590594 FATEK Automation Communication Server Stack based Buffer Overflow Vulnerability (ICSA-21-280-07)

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
Hardware Device InfoFatekCommunication Server-AllAllAll
Operating
System		FatekCommunication Server FirmwareAllAllAllAll
  • cpe:2.3:h:fatek:communication_server:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:fatek:communication_server_firmware:*:*:*:*:*:*:*:*:

Discovery Credit

Natnael Samson (@NattiSamson), working with Trend Micro’s Zero Day Initiative, reported this vulnerability to CISA.

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-38432 : FATEK Automation Communication Server Versions 1.13 and prior lacks proper validation of user-supp… twitter.com/i/web/status/1… 2021-10-15 15:02:48
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