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ICSA-24-074-01: Siemens SENTRON 7KM PAC3x20 ↗ source

March 14, 2024 CISA ICS Advisory

Summary

The read out protection of the internal flash of affected devices was not properly set at the end of the manufacturing process. An attacker with physical access to the device could read out the data. Siemens has released new versions for the affected products and recommends to update to the latest versions. CVE-2024-21483: The read out protection of the internal flash of affected devices was not properly set at the end of the manufacturing process. An attacker with physical access to the device could read out the data.

Advisory Details CISA ICS CSAF feed

Advisory ID
ICSA-24-074-01
Status
Final · version 2
Initial release
2024-03-12
Last revised
2024-09-10 (2 revisions)
Vendor
Siemens
Critical infrastructure sectors
Multiple
Deployed
Worldwide
Vendor headquarters
Germany

Republished vendor advisory. This CISA CSAF advisory was converted from Siemens ProductCERT's CSAF advisory.

General Recommendations: As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends to configure the environment according to Siemens' operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals. Additional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity

Additional Resources: For further inquiries on security vulnerabilities in Siemens products and solutions, please contact the Siemens ProductCERT: https://www.siemens.com/cert/advisories

Credit: Siemens ProductCERT

Affected products (4)
  • SENTRON 7KM PAC3120 AC/DC (7KM3120-0BA01-1DA0) — >=V3.2.3_<V3.2.4_only_when_manufactured_between_LQN231003..._and_LQN231215..._with_LQNYYMMDD...
  • SENTRON 7KM PAC3120 DC (7KM3120-1BA01-1EA0) — >=V3.2.3_<V3.2.4_only_when_manufactured_between_LQN231003..._and_LQN231215..._with_LQNYYMMDD...
  • SENTRON 7KM PAC3220 AC/DC (7KM3220-0BA01-1DA0) — >=V3.2.3_<V3.2.4_only_when_manufactured_between_LQN231003..._and_LQN231215..._with_LQNYYMMDD...
  • SENTRON 7KM PAC3220 DC (7KM3220-1BA01-1EA0) — >=V3.2.3_<V3.2.4_only_when_manufactured_between_LQN231003..._and_LQN231215..._with_LQNYYMMDD...
Revision history (2)
  • 2024-09-10 — v2: Corrected fix version from V3.3.0 to V3.2.4
  • 2024-03-12 — v1: Publication Date

From CISA's machine-readable CSAF 2.0 advisory (JSON).

Vulnerabilities as Stated by the Advisory

CVEWeaknessCVSS v3Details
CVE-2024-21483 CWE-284 Improper Access Control 4.6 Medium CVE-2024-21483
The read out protection of the internal flash of affected devices was not properly set at the end of the manufacturing process. An attacker with physical access to the device could read out the data.

Mitigation: Restrict physical access to the device to trusted personnel

Vendor fix: Update to V3.2.4 or later version

Affected, fixed & timeline

Affected:

  • SENTRON 7KM PAC3120 AC/DC (7KM3120-0BA01-1DA0) >=V3.2.3_<V3.2.4_only_when_manufactured_between_LQN231003..._and_LQN231215..._with_LQNYYMMDD...
  • SENTRON 7KM PAC3120 DC (7KM3120-1BA01-1EA0) >=V3.2.3_<V3.2.4_only_when_manufactured_between_LQN231003..._and_LQN231215..._with_LQNYYMMDD...
  • SENTRON 7KM PAC3220 AC/DC (7KM3220-0BA01-1DA0) >=V3.2.3_<V3.2.4_only_when_manufactured_between_LQN231003..._and_LQN231215..._with_LQNYYMMDD...
  • SENTRON 7KM PAC3220 DC (7KM3220-1BA01-1EA0) >=V3.2.3_<V3.2.4_only_when_manufactured_between_LQN231003..._and_LQN231215..._with_LQNYYMMDD...

Scores and weakness types are as CISA or the republishing vendor stated them in this advisory; the linked CVE pages carry the independently enriched CVSS and SSVC assessments.

News Coverage

No coverage found in monitored research blogs or news feeds.

CVEs Referenced in This Publication

CVECVSSAffected
CVE-2024-21483 4.6 Medium Siemens SENTRON 7KM PAC3120 AC/DC A vulnerability has been identified in SENTRON 7KM PAC3120 AC/DC (7KM3120-0BA01-1DA0) (All versions >= V3.2.3 < V3.2.4 only when manufactured between…

Named by the advisory itself. Each CVE links to its tracked detail page.

Vendors Named in This Publication

Each vendor links to its Known Exploited Vulnerabilities catalog page. Only vendors that appear in the KEV catalog are listed, either because the publication cites one of their KEV entries or because it names them directly.