CVE-2022-29879· NVD / CVE Program· CNA siemens

A vulnerability has been identified in SICAM T (All versions < V3.0).

A vulnerability has been identified in SICAM T (All versions < V3.0). The web based management interface of affected devices does not employ special access protection for certain internal developer views. This could allow authenticated users to access critical device information.

MediumCVSS 5.3 · v4.0—No exploit No fix recorded

Auth bypass

BDU:2022-03933

Published: May 20, 2022
Updated: Jun 17, 2026
EPSS: 0.9% · 57th percentile
CWE: CWE-306

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Action score

Monitor

Low priority for now.

CVSS: 21 / 40 · 5.3 / 10
CISA KEV: 0 / 30 · Not listed
EPSS: 0 / 30 · 0.9%

CNA vs NVD score

NVD: —
CNA · siemens: 4.3; NVD has not scored this yet; the score shown is the CNA’s.

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

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Affected systems

Vendor	Product	CPE
siemens	7kg8500-0aa00-0aa0 firmware	cpe:2.3:o:siemens:7kg8500-0aa00-0aa0_firmware
siemens	7kg8500-0aa00-0aa0	cpe:2.3:h:siemens:7kg8500-0aa00-0aa0
siemens	7kg8500-0aa00-2aa0 firmware	cpe:2.3:o:siemens:7kg8500-0aa00-2aa0_firmware
siemens	7kg8500-0aa00-2aa0	cpe:2.3:h:siemens:7kg8500-0aa00-2aa0
siemens	7kg8500-0aa10-0aa0 firmware	cpe:2.3:o:siemens:7kg8500-0aa10-0aa0_firmware
siemens	7kg8500-0aa10-0aa0	cpe:2.3:h:siemens:7kg8500-0aa10-0aa0
siemens	7kg8500-0aa10-2aa0 firmware	cpe:2.3:o:siemens:7kg8500-0aa10-2aa0_firmware
siemens	7kg8500-0aa10-2aa0	cpe:2.3:h:siemens:7kg8500-0aa10-2aa0
siemens	7kg8500-0aa30-0aa0 firmware	cpe:2.3:o:siemens:7kg8500-0aa30-0aa0_firmware
siemens	7kg8500-0aa30-0aa0	cpe:2.3:h:siemens:7kg8500-0aa30-0aa0
siemens	7kg8500-0aa30-2aa0 firmware	cpe:2.3:o:siemens:7kg8500-0aa30-2aa0_firmware
siemens	7kg8500-0aa30-2aa0	cpe:2.3:h:siemens:7kg8500-0aa30-2aa0

and 60 more

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

siemens 7kg8500-0aa00-0aa0 firmwarebefore 3.00
siemens 7kg8500-0aa00-2aa0 firmwarebefore 3.00
siemens 7kg8500-0aa10-0aa0 firmwarebefore 3.00
siemens 7kg8500-0aa10-2aa0 firmwarebefore 3.00
siemens 7kg8500-0aa30-0aa0 firmwarebefore 3.00
siemens 7kg8500-0aa30-2aa0 firmwarebefore 3.00
siemens 7kg8501-0aa01-0aa0 firmwarebefore 3.00
siemens 7kg8501-0aa01-2aa0 firmwarebefore 3.00
siemens 7kg8501-0aa02-0aa0 firmwarebefore 3.00
siemens 7kg8501-0aa02-2aa0 firmwarebefore 3.00
siemens 7kg8501-0aa11-0aa0 firmwarebefore 3.00
siemens 7kg8501-0aa11-2aa0 firmwarebefore 3.00
siemens 7kg8501-0aa12-0aa0 firmwarebefore 3.00
siemens 7kg8501-0aa12-2aa0 firmwarebefore 3.00
siemens 7kg8501-0aa31-0aa0 firmwarebefore 3.00
siemens 7kg8501-0aa31-2aa0 firmwarebefore 3.00
siemens 7kg8501-0aa32-0aa0 firmwarebefore 3.00
siemens 7kg8501-0aa32-2aa0 firmwarebefore 3.00
siemens 7kg8550-0aa00-0aa0 firmwarebefore 3.00
siemens 7kg8550-0aa00-2aa0 firmwarebefore 3.00

Versions reported by the vendor

Affected version ranges reported by the assigning authority (siemens). Independent of NVD's CPE analysis and usually ahead of it.

Siemens SICAM T
- before V3.0affected

Same product

siemens: all records

Other highest-scoring records for the same primary product.

CVE-2022-29873A vulnerability has been identified in SICAM T (All versions < V3.0).
38Monitor
CVE-2022-41665A vulnerability has been identified in SICAM P850 (7KG8500-0AA00-0AA0) (All versions < V3.10), SICAM P850 (7KG8500-0AA00-2AA0) (All versions
35Monitor
CVE-2022-29874A vulnerability has been identified in SICAM T (All versions < V3.0).
35Monitor
CVE-2022-29872A vulnerability has been identified in SICAM T (All versions < V3.0).
34Monitor
CVE-2022-40226A vulnerability has been identified in SICAM P850 (7KG8500-0AA00-0AA0) (All versions < V3.10), SICAM P850 (7KG8500-0AA00-2AA0) (All versions
32Monitor
CVE-2022-29878A vulnerability has been identified in SICAM T (All versions < V3.0).
30Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

—

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

CVE-2022-298720 days apartA vulnerability has been identified in SICAM T (All versions < V3.0).
34Monitor

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

Anyone who can reach it over the internet can trigger it.
A low-privileged account is enough.
No user action is required.
No special conditions are required; it is repeatable.

If successful

Confidentiality
Integrity
Availability

Attack vector: Network
Attack complexity: Low
Privileges required: Low
User interaction: None
Scope: X

Weakness class (CWE)

CWE-306 · Missing Authentication for Critical Function

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/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

nvd-secondary

Root cause

A function added for development or support ships to production without authentication. It often relies on the assumption that it is “only reachable from the internal network.”

The bug in code

The whole CWE-306 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

1// Added for the support team2app.post("/maintenance/reset", resetDevice);

Fixed

1if (config.maintenanceEnabled) {2  app.post(3    "/maintenance/reset",4    requireSession, requireRole("admin"), resetDevice5  );6}

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Attack patterns (CAPEC)

ATT&CK techniques

—

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records