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Fencer Vulns
medium 4.6

CVE-2024-21483 json

A vulnerability has been identified in SENTRON 7KM PAC3120 AC/DC (7KM3120-0BA01-1DA0) (All versions >= V3.2.3 < V3.2.4 only when manufactur…

published 2024-03-12 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-19192

cvss
4.6
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 13%
public exploits
0
none known

Summary

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 LQN231003... and LQN231215... ( with LQNYYMMDD...)), SENTRON 7KM PAC3120 DC (7KM3120-1BA01-1EA0) (All versions >= V3.2.3 < V3.2.4 only when manufactured between LQN231003... and LQN231215... ( with LQNYYMMDD...)), SENTRON 7KM PAC3220 AC/DC (7KM3220-0BA01-1DA0) (All versions >= V3.2.3 < V3.2.4 only when manufactured between LQN231003... and LQN231215... ( with LQNYYMMDD...)), SENTRON 7KM PAC3220 DC (7KM3220-1BA01-1EA0) (All versions >= V3.2.3 < V3.2.4 only when manufactured between LQN231003... and LQN231215... ( with LQNYYMMDD...)). 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.

Patch / fix

  • Siemens SENTRON 7KM PAC3120 AC/DC V3.2.4
  • Siemens SENTRON 7KM PAC3120 DC V3.2.4
  • Siemens SENTRON 7KM PAC3220 AC/DC V3.2.4
  • Siemens SENTRON 7KM PAC3220 DC V3.2.4

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-24-074-01 updated cvss 4.6

Siemens SENTRON 7KM PAC3x20

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

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.22% chance of exploitation in the next 30 days, higher than 13% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 4.6 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CNA 4.0 5.1 CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
CNA 4.0 5.1 CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Affected products

  • Siemens SENTRON 7KM PAC3120 AC/DC
  • Siemens SENTRON 7KM PAC3120 DC
  • Siemens SENTRON 7KM PAC3220 AC/DC
  • Siemens SENTRON 7KM PAC3220 DC

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.