Vulnerability Details : CVE-2021-37182
A vulnerability has been identified in SCALANCE XM408-4C (All versions < V6.5), SCALANCE XM408-4C (L3 int.) (All versions < V6.5), SCALANCE XM408-8C (All versions < V6.5), SCALANCE XM408-8C (L3 int.) (All versions < V6.5), SCALANCE XM416-4C (All versions < V6.5), SCALANCE XM416-4C (L3 int.) (All versions < V6.5), SCALANCE XR524-8C, 1x230V (All versions < V6.5), SCALANCE XR524-8C, 1x230V (L3 int.) (All versions < V6.5), SCALANCE XR524-8C, 24V (All versions < V6.5), SCALANCE XR524-8C, 24V (L3 int.) (All versions < V6.5), SCALANCE XR524-8C, 2x230V (All versions < V6.5), SCALANCE XR524-8C, 2x230V (L3 int.) (All versions < V6.5), SCALANCE XR526-8C, 1x230V (All versions < V6.5), SCALANCE XR526-8C, 1x230V (L3 int.) (All versions < V6.5), SCALANCE XR526-8C, 24V (All versions < V6.5), SCALANCE XR526-8C, 24V (L3 int.) (All versions < V6.5), SCALANCE XR526-8C, 2x230V (All versions < V6.5), SCALANCE XR526-8C, 2x230V (L3 int.) (All versions < V6.5), SCALANCE XR528-6M (All versions < V6.5), SCALANCE XR528-6M (2HR2) (All versions < V6.5), SCALANCE XR528-6M (2HR2, L3 int.) (All versions < V6.5), SCALANCE XR528-6M (L3 int.) (All versions < V6.5), SCALANCE XR552-12M (All versions < V6.5), SCALANCE XR552-12M (2HR2) (All versions < V6.5), SCALANCE XR552-12M (2HR2) (All versions < V6.5), SCALANCE XR552-12M (2HR2, L3 int.) (All versions < V6.5). The OSPF protocol implementation in affected devices fails to verify the checksum and length fields in the OSPF LS Update messages. An unauthenticated remote attacker could exploit this vulnerability to cause interruptions in the network by sending specially crafted OSPF packets. Successful exploitation requires OSPF to be enabled on an affected device.
Products affected by CVE-2021-37182
- cpe:2.3:o:siemens:scalance_xm416-4c_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:scalance_xm408-8c_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:scalance_xm408-4c_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:scalance_xm416-4c_l3_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:scalance_xm408-8c_l3_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:scalance_xm408-4c_l3_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:scalance_xr524-8c_firmware:*:*:*:*:*:*:24v:*
- cpe:2.3:o:siemens:scalance_xr524-8c_firmware:*:*:*:*:*:*:2x230v:*
- cpe:2.3:o:siemens:scalance_xr524-8c_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:scalance_xr524-8c_firmware:*:*:*:*:*:*:1x230v:*
- cpe:2.3:o:siemens:scalance_xr526-8c_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:scalance_xr526-8c_firmware:*:*:*:*:*:*:1x230v:*
- cpe:2.3:o:siemens:scalance_xr526-8c_firmware:*:*:*:*:*:*:24v:*
- cpe:2.3:o:siemens:scalance_xr526-8c_firmware:*:*:*:*:*:*:2x230v:*
- cpe:2.3:o:siemens:scalance_xr528-6m_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:scalance_xr524-8c_l3_firmware:*:*:*:*:*:*:2x230v:*
- cpe:2.3:o:siemens:scalance_xr524-8c_l3_firmware:*:*:*:*:*:*:24v:*
- cpe:2.3:o:siemens:scalance_xr524-8c_l3_firmware:*:*:*:*:*:*:1x230v:*
- cpe:2.3:o:siemens:scalance_xr524-8c_l3_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:scalance_xr526-8c_l3_firmware:*:*:*:*:*:*:2x230v:*
- cpe:2.3:o:siemens:scalance_xr526-8c_l3_firmware:*:*:*:*:*:*:1x230v:*
- cpe:2.3:o:siemens:scalance_xr526-8c_l3_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:scalance_xr526-8c_l3_firmware:*:*:*:*:*:*:24v:*
- cpe:2.3:o:siemens:scalance_xr528-6m_2hr2_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:scalance_xr528-6m_2hr2_l3_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:scalance_xr528-6m_l3_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:scalance_xr552-12m_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:scalance_xr552-12m_2hr2_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:o:siemens:scalance_xr552-12m_2hr2_l3_firmware:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-37182
0.53%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 65 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-37182
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
7.5
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2021-37182
-
The product does not validate or incorrectly validates the integrity check values or "checksums" of a message. This may prevent it from detecting if the data has been modified or corrupted in transmission.Assigned by:
- nvd@nist.gov (Primary)
- productcert@siemens.com (Secondary)
References for CVE-2021-37182
-
https://cert-portal.siemens.com/productcert/pdf/ssa-145224.pdf
Patch;Vendor Advisory
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