How severe is CVE-2022-29877?

CVE-2022-29877 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2022-29877 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-29877?

CVE-2022-29877 primarily affects Siemens 7kg8500-0aa00-0aa0 Firmware. In total, 36 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-29877?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2022-29877 published?

CVE-2022-29877 was published on 2022-05-20 and last updated on 2026-06-17.

CVE-2022-29877

CVE-2022-29877 is a medium-severity vulnerability in Siemens 7kg8500-0aa00-0aa0 Firmware with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-306.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
CVSS v2: 6.4
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Siemens 7kg8500-0aa00-0aa0 Firmware
Published: 2022-05-20
Last modified: 2026-06-17

Description

A vulnerability has been identified in SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00). Affected devices allow unauthenticated access to the web interface configuration area. This could allow an attacker to extract internal configuration details or to reconfigure network settings. However, the reconfigured settings cannot be activated unless the role of an authenticated administrator user.

Frequently asked questions

What is CVE-2022-29877?: A vulnerability has been identified in SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P850 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00), SICAM P855 (All versions < V3.00). Affected devices allow unauthenticated access to the web interface configuration area. This could allow an attacker to extract internal configuration details or to reconfigure network settings. However, the reconfigured settings cannot be activated unless the role of an authenticated administrator user.
How severe is CVE-2022-29877?: CVE-2022-29877 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2022-29877 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-29877?: CVE-2022-29877 primarily affects Siemens 7kg8500-0aa00-0aa0 Firmware. In total, 36 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-29877?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-29877 published?: CVE-2022-29877 was published on 2022-05-20 and last updated on 2026-06-17.

References

https://cert-portal.siemens.com/productcert/pdf/ssa-165073.pdf

Affected products (36)

cpe:2.3:o:siemens:7kg8500-0aa00-0aa0_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:7kg8500-0aa00-2aa0_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:7kg8500-0aa10-0aa0_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:7kg8500-0aa10-2aa0_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:7kg8500-0aa30-0aa0_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:7kg8500-0aa30-2aa0_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:7kg8501-0aa01-0aa0_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:7kg8501-0aa01-2aa0_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:7kg8501-0aa02-0aa0_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:7kg8501-0aa02-2aa0_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:7kg8501-0aa11-0aa0_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:7kg8501-0aa11-2aa0_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:7kg8501-0aa12-0aa0_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:7kg8501-0aa12-2aa0_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:7kg8501-0aa31-0aa0_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:7kg8501-0aa31-2aa0_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:7kg8501-0aa32-0aa0_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:7kg8501-0aa32-2aa0_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:7kg8550-0aa00-0aa0_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:7kg8550-0aa00-2aa0_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:7kg8550-0aa10-0aa0_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:7kg8550-0aa10-2aa0_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:7kg8550-0aa30-0aa0_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:7kg8550-0aa30-2aa0_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:7kg8551-0aa01-0aa0_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:7kg8551-0aa01-2aa0_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:7kg8551-0aa02-0aa0_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:7kg8551-0aa02-2aa0_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:7kg8551-0aa11-0aa0_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:7kg8551-0aa11-2aa0_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:7kg8551-0aa12-0aa0_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:7kg8551-0aa12-2aa0_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:7kg8551-0aa31-0aa0_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:7kg8551-0aa31-2aa0_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:7kg8551-0aa32-0aa0_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:siemens:7kg8551-0aa32-2aa0_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Siemens 7kg8500-0aa00-0aa0 Firmware

CVE-2022-41665 — Critical (CVSS 9.8): A vulnerability has been identified in SICAM P850 (7KG8500-0AA00-0AA0) (All versions < V3.10), SICAM P850…
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CVE-2022-29874 — High (CVSS 8.8): A vulnerability has been identified in SICAM T (All versions < V3.0). Affected devices do not encrypt web traffic with…
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CVE-2022-40226 — High (CVSS 7.5): A vulnerability has been identified in SICAM P850 (7KG8500-0AA00-0AA0) (All versions < V3.10), SICAM P850…
CVE-2022-29878 — High (CVSS 7.5): A vulnerability has been identified in SICAM T (All versions < V3.0). Affected devices use a limited range for…

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