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CVE-2021-42021

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-11-09 · updated 2026-06-17
• Weakness: CWE-26

Description

A vulnerability has been identified in Siveillance Video DLNA Server (2019 R1), Siveillance Video DLNA Server (2019 R2), Siveillance Video DLNA Server (2019 R3), Siveillance Video DLNA Server (2020 R1), Siveillance Video DLNA Server (2020 R2), Siveillance Video DLNA Server (2020 R3), Siveillance Video DLNA Server (2021 R1). The affected application contains a path traversal vulnerability that could allow to read arbitrary files on the server that are outside the application’s web document directory. An unauthenticated remote attacker could exploit this issue to access sensitive information for subsequent attacks.

Affected products

• Siemens Siveillance Video Management Software 2019 R1: all versions
• Siemens Siveillance Video Management Software 2019 R2: all versions
• Siemens Siveillance Video Management Software 2019 R3: all versions
• Siemens Siveillance Video Management Software 2020 R1: all versions
• Siemens Siveillance Video Management Software 2020 R2: all versions

References

• https://cert-portal.siemens.com/productcert/pdf/ssa-755517.pdf
• https://cert-portal.siemens.com/productcert/pdf/ssa-755517.pdf

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