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CVE-2020-28391

UNKNOWN
Published 2021-01-12T00:00:00
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No CVSS data available

Description

A vulnerability has been identified in SCALANCE X-200 switch family (incl. SIPLUS NET variants) (All versions < V5.2.5), SCALANCE X-200IRT switch family (incl. SIPLUS NET variants) (All versions < V5.5.0), SCALANCE X-200RNA switch family (All versions < V3.2.7). Devices create a new unique key upon factory reset, except when used with C-PLUG. When used with C-PLUG the devices use the hardcoded private RSA-key shipped with the firmware-image. An attacker could leverage this situation to a man-in-the-middle situation and decrypt previously captured traffic.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Siemens

SCALANCE X-200 switch family (incl. SIPLUS NET variants)

Affected Versions:

All versions < V5.2.5
Siemens

SCALANCE X-200IRT switch family (incl. SIPLUS NET variants)

Affected Versions:

All versions < V5.5.0
Siemens

SCALANCE X-200RNA switch family

Affected Versions:

All versions < V3.2.7

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-pffp-ch4h-4669

Advisory Details

A vulnerability has been identified in SCALANCE X-200 switch family (incl. SIPLUS NET variants) (All Versions), SCALANCE X-200IRT switch family (incl. SIPLUS NET variants) (All versions). Devices create a new unique key upon factory reset, except when used with C-PLUG. When used with C-PLUG the devices use the hardcoded private RSA-key shipped with the firmware-image. An attacker could leverage this situation to a man-in-the-middle situation and decrypt previously captured traffic.

CVSS Scoring

CVSS Score

5.0

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2020-28391
WEB https://cert-portal.siemens.com/productcert/pdf/ssa-274900.pdf
WEB https://us-cert.cisa.gov/ics/advisories/icsa-21-012-02

Advisory provided by GitHub Security Advisory Database. Published: May 24, 2022, Modified: July 29, 2022

References

https://cert-portal.siemens.com/productcert/pdf/ssa-274900.pdf
https://us-cert.cisa.gov/ics/advisories/icsa-21-012-02
Published: 2021-01-12T00:00:00
Last Modified: 2024-08-04T16:33:59.106Z
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