7kg8500 0aa00 0aa0 FirmwareOperating system · Siemens

CVE-2022-29878

HIGH · 7.5 CVSS v3.1 Published 2022-05-20
Fix available
A fix is available. Upgrade to 3.00 or later.
See remediation →
82/100
Remediation priority · High
Remotely reachable No privileges Patch available

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
A vulnerability has been identified in SICAM T (All versions < V3.0). Affected devices use a limited range for challenges that are sent during the unencrypted challenge-response communication. An unauthenticated attacker could capture a valid challenge-response pair generated by a legitimate user, and request the webpage repeatedly to wait for the same challenge to reappear for which the correct response is known. This could allow the attacker to access the management interface of the device.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis

A detailed technical summary for this CVE is being prepared.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
7kg8500 0aa00 0aa0 FirmwareOperating system
Affected:< 3.00
7kg8500 0aa00 2aa0 FirmwareOperating system
Affected:< 3.00
7kg8500 0aa10 0aa0 FirmwareOperating system
Affected:< 3.00
7kg8500 0aa10 2aa0 FirmwareOperating system
Affected:< 3.00
7kg8500 0aa30 0aa0 FirmwareOperating system
Affected:< 3.00
7kg8500 0aa30 2aa0 FirmwareOperating system
Affected:< 3.00
7kg8501 0aa01 0aa0 FirmwareOperating system
Affected:< 3.00
7kg8501 0aa01 2aa0 FirmwareOperating system
Affected:< 3.00

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Network
Complexity
High
Privileges
None
User interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Upgrade available Upgrade to 3.00 or later
Fixed in 3.00
Recommended fix High confidence

SICAM T V3.0 or later

  1. Identify the specific SICAM T device model (7kg8500 or 7kg8501 variant) and current firmware version
  2. Download the firmware update to V3.0 or later from Siemens support portal or using the vendor patch document at https://cert-portal.siemens.com/productcert/pdf/ssa-165073.pdf
  3. Review the patch document for device-specific upgrade instructions and prerequisites
  4. Follow the vendor's documented firmware upgrade procedure for your specific device model
  5. After upgrade, verify the firmware version is V3.0 or later
  6. Confirm the vulnerability is remediated by verifying challenge-response mechanism uses adequate entropy
Caveat Review vendor patch documentation for any configuration or compatibility considerations during upgrade

Generated from the published advisory — verify against the referenced sources before acting.

We can perform the upgrade in your staging environment and verify nothing breaks — typical engagement from $1,950. Get the upgrade done

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2022-29878 in production — separate from our analysis above.

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What this is

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What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
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