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Fencer Intel
high 7.3

CVE-2020-28396 json

A vulnerability has been identified in SICAM A8000 CP-8000 (All versions < V16), SICAM A8000 CP-8021 (All versions < V16), SICAM A8000 CP-8…

published 5y ago modified 4mo ago also EUVD-2020-20855

cvss
7.3
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 47%
public exploits
0
none known

Summary

A vulnerability has been identified in SICAM A8000 CP-8000 (All versions < V16), SICAM A8000 CP-8021 (All versions < V16), SICAM A8000 CP-8022 (All versions < V16). A web server misconfiguration of the affected device can cause insecure ciphers usage by a user´s browser. An attacker in a privileged position could decrypt the communication and compromise confidentiality and integrity of the transmitted information.

Patch / fix

  • siemens sicam_a8000_cp-8000_firmware 16
  • siemens sicam_a8000_cp-8021_firmware 16
  • siemens sicam_a8000_cp-8022_firmware 16

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Vendor advisories

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

cisa ICSA-20-343-07 updated cvss 8.1

Siemens SICAM A8000 RTUs

  • Siemens SICAM A8000 CP-8000 <V16 Siemens SICAM A8000 CP-8021 <V16 Siemens SICAM A8000 CP-8022 <V16
    affected: fixed in V16, mitigation support.industry.siemens.com

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

Exploit prediction

0.57% chance of exploitation in the next 30 days, higher than 47% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 7.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
NVD 2.0 4.9 AV:N/AC:M/Au:S/C:P/I:P/A:N

Affected products

  • Siemens SICAM A8000 CP-8000
  • Siemens SICAM A8000 CP-8021
  • Siemens SICAM A8000 CP-8022

Classification

Weakness
  • CWE-693 Protection Mechanism Failure
  • CWE-327 Use of a Broken or Risky Cryptographic Algorithm

References

Sources

Fencer Intel 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.