CVE-2021-20093

CRITICAL

9.1

Description

A buffer over-read vulnerability exists in Wibu-Systems CodeMeter versions < 7.21a. An unauthenticated remote attacker can exploit this issue to disclose heap memory contents or crash the CodeMeter Runtime Server.

CVE Details

CVSS v3.1 Score9.1

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published6/16/2021

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

siemens:pss_capesiemens:sicam_230siemens:sicam_230_firmwaresiemens:simatic_information_serversiemens:simatic_pcs_neosiemens:simatic_process_historiansiemens:simatic_wincc_oasiemens:simit_simulation_platformsiemens:sinec_infrastructure_network_servicessiemens:sinema_remote_connect_serverwibu:codemeter

Weaknesses (CWE)

CWE-125

References

https://cdn.wibu.com/fileadmin/wibu_downloads/security_advisories/Advisory_WIBU-210423-01.pdf(vulnreport@tenable.com)

https://cert-portal.siemens.com/productcert/pdf/ssa-675303.pdf(vulnreport@tenable.com)

https://us-cert.cisa.gov/ics/advisories/icsa-21-210-02(vulnreport@tenable.com)

https://www.tenable.com/security/research/tra-2021-24(vulnreport@tenable.com)

https://cdn.wibu.com/fileadmin/wibu_downloads/security_advisories/Advisory_WIBU-210423-01.pdf(af854a3a-2127-422b-91ae-364da2661108)

https://cert-portal.siemens.com/productcert/pdf/ssa-675303.pdf(af854a3a-2127-422b-91ae-364da2661108)

https://us-cert.cisa.gov/ics/advisories/icsa-21-210-02(af854a3a-2127-422b-91ae-364da2661108)

https://www.tenable.com/security/research/tra-2021-24(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

This product uses data from the NVD API but is not endorsed or certified by the NVD.