ICSA-21-194-12: Siemens VxWorks-based Industrial Products (Update C)
CISA advisory · released 2021-07-13
Source record Collected from CISA's CSAF advisory feed
- Distribution label in the document: TLP:WHITE
- Revision 3, 2022-05-12 (final)
CISA's summary
Risk evaluation: Successful exploitation of this vulnerability could allow an attacker to cause a heap-based buffer overflow.
Products, as the advisory lists them
| Vendor | Product | Version |
|---|---|---|
| Siemens | SCALANCE X208PRO (6GK5208-0HA10-2AA6) | vers:all/* |
| Siemens | SCALANCE X202-2P IRT PRO (6GK5202-2JR00-2BA6) | vers:all/* |
| Siemens | SCALANCE X308-2M (6GK5308-2GG00-2AA2) | vers:all/* |
| Siemens | SCALANCE X302-7 EEC (230V) (6GK5302- 7GD00-3EA3) | vers:all/* |
| Siemens | SCALANCE XF208 (6GK5208-0BA00-2AF2) | vers:all/* |
| Siemens | SCALANCE X204-2LD (6GK5204-2BC10-2AA3) | vers:all/* |
| Siemens | SCALANCE X307-3LD (6GK5307-3BM00-2AA3) | vers:all/* |
| Siemens | SCALANCE XF204-2 (6GK5204-2BC00-2AF2) | vers:all/* |
| Siemens | SCALANCE X202-2IRT (6GK5202-2BB00-2BA3) | vers:all/* |
| Siemens | SCALANCE XR324-4M PoE (230V ports on front) (6GK5324-4QG00-3AR2) | vers:all/* |
| Siemens | SINAMICS PERFECT HARMONY GH180 Drives | 2015 and 2021 (Drives manufactured in 2022 are not affected) |
| Siemens | SCALANCE XR324-4M EEC (24V ports on front) (6GK5324-4GG00-1ER2) | vers:all/* |
| Siemens | SCALANCE XR324-4M PoE (24V ports on rear) (6GK5324-4QG00-1HR2) | vers:all/* |
| Siemens | SCALANCE XR324-4M EEC (100-240VAC/60-250VDC ports on front) (6GK5324-4GG10-3ER2) | vers:all/* |
| Siemens | SCALANCE X308-2LD (6GK5308-2FM10-2AA3) | vers:all/* |
| Siemens | SCALANCE XR324-4M EEC (2x 100-240VAC/60-250VDC ports on front) (6GK5324-4GG00-4ER2) | vers:all/* |
| Siemens | SCALANCE X308-2M (6GK5308-2GG10-2AA2) | vers:all/* |
| Siemens | SCALANCE X216 (6GK5216-0BA00-2AA3) | vers:all/* |
| Siemens | SCALANCE XR324-12M (230V ports on front) (6GK5324-0GG00-3AR2) | vers:all/* |
| Siemens | SCALANCE X307-2 EEC (230V) (6GK5307-2FD00-3EA3) | vers:all/* |
| Siemens | SCALANCE X302-7 EEC (24V coated) (6GK5302-7GD00-1GA3) | vers:all/* |
| Siemens | SCALANCE XR324-4M EEC (2x 100-240VAC/60-250VDC ports on rear) (6GK5324-4GG10-4JR2) | vers:all/* |
| Siemens | SCALANCE XR324-12M (24V ports on rear) (6GK5324-0GG00-1HR2) | vers:all/* |
| Siemens | SCALANCE X308-2LH (6GK5308-2FN00-2AA3) | vers:all/* |
| Siemens | SCALANCE X308-2 (6GK5308-2FL10-2AA3) | vers:all/* |
| Siemens | SCALANCE X307-2 EEC (2x 230V coated) (6GK5307-2FD00-4GA3) | vers:all/* |
| Siemens | SCALANCE X202-2P IRT (6GK5202-2BH00-2BA3) | vers:all/* |
| Siemens | SCALANCE XR324-4M PoE TS (24V ports on front) (6GK5324-4QG00-1CR2) | vers:all/* |
| Siemens | SCALANCE X302-7 EEC (230V coated) (6GK5302-7GD00-3GA3) | vers:all/* |
| Siemens | SCALANCE X308-2LD (6GK5308-2FM00-2AA3) | vers:all/* |
| Siemens | SCALANCE X212-2LD (6GK5212-2BC00-2AA3) | vers:all/* |
| Siemens | SCALANCE X204-2FM (6GK5204-2BB11-2AA3) | vers:all/* |
| Siemens | SCALANCE XF202-2P IRT (6GK5202-2BH00-2BD2) | vers:all/* |
| Siemens | SCALANCE XR324-12M TS (24V) (6GK5324-0GG00-1CR2) | vers:all/* |
| Siemens | SCALANCE X308-2M TS (6GK5308-2GG10-2CA2) | vers:all/* |
| Siemens | SCALANCE X307-2 EEC (24V coated) (6GK5307-2FD00-1GA3) | vers:all/* |
| Siemens | SCALANCE X307-2 EEC (2x 24V coated) (6GK5307-2FD00-2GA3) | vers:all/* |
| Siemens | SCALANCE XR324-4M EEC (2x 24V ports on rear) (6GK5324-4GG10-2JR2) | vers:all/* |
| Siemens | SCALANCE X204IRT PRO (6GK5204-0JA00-2BA6) | vers:all/* |
| Siemens | SCALANCE XF201-3P IRT (6GK5201-3JR00-2BA6) | vers:all/* |
| Siemens | SCALANCE X212-2 (6GK5212-2BB00-2AA3) | vers:all/* |
| Siemens | SCALANCE XR324-4M EEC (2x 24V ports on rear) (6GK5324-4GG00-2JR2) | vers:all/* |
| Siemens | SCALANCE X308-2 (6GK5308-2FL00-2AA3) | vers:all/* |
| Siemens | SCALANCE X307-3 (6GK5307-3BL10-2AA3) | vers:all/* |
| Siemens | SCALANCE X302-7 EEC (2x 24V coated) (6GK5302-7GD00-2GA3) | vers:all/* |
| Siemens | SCALANCE X206-1 (6GK5206-1BB10-2AA3) | vers:all/* |
| Siemens | SCALANCE X204IRT (6GK5204-0BA00-2BA3) | vers:all/* |
| Siemens | SCALANCE XR324-4M EEC (100-240VAC/60-250VDC ports on rear) (6GK5324-4GG00-3JR2) | vers:all/* |
| Siemens | SCALANCE X306-1LD FE (6GK5306-1BF00-2AA3) | vers:all/* |
| Siemens | SIMATIC RF180C (6GT2002-0JD00) | vers:all/* |
| Siemens | SCALANCE X310FE (6GK5310-0BA10-2AA3) | vers:all/* |
| Siemens | SCALANCE X310FE (6GK5310-0BA00-2AA3) | vers:all/* |
| Siemens | SCALANCE XR324-4M EEC (2x 24V ports on front) (6GK5324-4GG10-2ER2) | vers:all/* |
| Siemens | SCALANCE X310 (6GK5310-0FA00-2AA3) | vers:all/* |
| Siemens | SCALANCE XF204 (6GK5204-0BA00-2AF2) | vers:all/* |
| Siemens | SCALANCE X308-2M PoE (6GK5308-2QG10-2AA2) | vers:all/* |
| Siemens | SCALANCE X320-1 FE (6GK5320-1BD00-2AA3) | vers:all/* |
| Siemens | SCALANCE X204-2 (6GK5204-2BB10-2AA3) | vers:all/* |
| Siemens | SCALANCE XR324-4M EEC (2x 100-240VAC/60-250VDC ports on rear) (6GK5324-4GG00-4JR2) | vers:all/* |
| Siemens | SCALANCE X308-2LH+ (6GK5308-2FP10-2AA3) | vers:all/* |
| Siemens | SCALANCE XR324-4M EEC (100-240VAC/60-250VDC ports on front) (6GK5324-4GG00-3ER2) | vers:all/* |
| Siemens | SCALANCE XR324-4M EEC (100-240VAC/60-250VDC ports on rear) (6GK5324-4GG10-3JR2) | vers:all/* |
| Siemens | SIPLUS NET SCALANCE X308-2 (6AG1308-2FL10-4AA3) | vers:all/* |
| Siemens | SCALANCE X302-7 EEC (2x 230V) (6GK5302-7GD00-4EA3) | vers:all/* |
| Siemens | SCALANCE XR324-4M PoE (24V ports on front) (6GK5324-4QG00-1AR2) | vers:all/* |
| Siemens | SCALANCE X307-2 EEC (230V coated) (6GK5307-2FD00-3GA3) | vers:all/* |
| Siemens | SCALANCE X200-4P IRT (6GK5200-4AH00-2BA3) | vers:all/* |
| Siemens | SCALANCE X208 (6GK5208-0BA10-2AA3) | vers:all/* |
| Siemens | SCALANCE XR324-4M EEC (2x 100-240VAC/60-250VDC ports on front) (6GK5324-4GG10-4ER2) | vers:all/* |
| Siemens | SCALANCE XR324-4M EEC (24V ports on front) (6GK5324-4GG10-1ER2) | vers:all/* |
| Siemens | SCALANCE X302-7 EEC (24V) (6GK5302-7GD00-1EA3) | vers:all/* |
| Siemens | SIMATIC RFID 181EIP (6GT2002-0JD20) | vers:all/* |
| Siemens | SCALANCE XF204IRT (6GK5204-0BA00-2BF2) | vers:all/* |
| Siemens | SIMATIC RF182C (6GT2002-0JD10) | vers:all/* |
| Siemens | SCALANCE XR324-12M (230V ports on rear) (6GK5324-0GG00-3HR2) | vers:all/* |
| Siemens | SCALANCE X204-2LD TS (6GK5204-2BC10-2CA2) | vers:all/* |
| Siemens | SCALANCE X224 (6GK5224-0BA00-2AA3) | vers:all/* |
| Siemens | SCALANCE X307-2 EEC (2x 24V) (6GK5307-2FD00-2EA3) | vers:all/* |
| Siemens | SCALANCE X307-2 EEC (2x 230V) (6GK5307-2FD00-4EA3) | vers:all/* |
| Siemens | SCALANCE XR324-12M (230V ports on rear) (6GK5324-0GG10-3HR2) | vers:all/* |
| Siemens | SCALANCE XR324-12M (24V ports on front) (6GK5324-0GG00-1AR2) | vers:all/* |
| Siemens | SCALANCE X408-2 (6GK5408-2FD00-2AA2) | vers:all/* |
| Siemens | SCALANCE XR324-4M EEC (24V ports on rear) (6GK5324-4GG00-1JR2) | vers:all/* |
| Siemens | SCALANCE X302-7 EEC (2x 24V) (6GK5302-7GD00-2EA3) | vers:all/* |
| Siemens | SCALANCE X307-3LD (6GK5307-3BM10-2AA3) | vers:all/* |
| Siemens | SCALANCE XR324-12M TS (24V) (6GK5324-0GG10-1CR2) | vers:all/* |
| Siemens | SCALANCE X308-2M PoE (6GK5308-2QG00-2AA2) | vers:all/* |
| Siemens | SCALANCE X307-3 (6GK5307-3BL00-2AA3) | vers:all/* |
| Siemens | SCALANCE XR324-4M PoE (230V ports on rear) (6GK5324-4QG00-3HR2) | vers:all/* |
| Siemens | RUGGEDCOM WIN5200 series subscriber unit | vers:all/* |
| Siemens | SCALANCE X307-2 EEC (24V) (6GK5307-2FD00-1EA3) | vers:all/* |
| Siemens | SCALANCE XF206-1 (6GK5206-1BC00-2AF2) | vers:all/* |
| Siemens | SCALANCE X204-2TS (6GK5204-2BB10-2CA2) | vers:all/* |
| Siemens | SCALANCE X308-2M TS (6GK5308-2GG00-2CA2) | vers:all/* |
| Siemens | SCALANCE X308-2LH+ (6GK5308-2FP00-2AA3) | vers:all/* |
| Siemens | RUGGEDCOM WIN5100 series subscriber unit | vers:all/* |
| Siemens | SCALANCE XF204-2BA IRT (6GK5204-2AA00-2BD2) | vers:all/* |
| Siemens | SCALANCE XR324-12M (24V ports on front) (6GK5324-0GG10-1AR2) | vers:all/* |
| Siemens | SCALANCE X302-7 EEC (2x 230V coated) (6GK5302-7GD00-4GA3) | vers:all/* |
| Siemens | SCALANCE X320-1-2LD FE (6GK5320-3BF00-2AA3) | vers:all/* |
| Siemens | SCALANCE X304-2FE (6GK5304-2BD00-2AA3) | vers:all/* |
| Siemens | SCALANCE XR324-4M EEC (24V ports on rear) (6GK5324-4GG10-1JR2) | vers:all/* |
| Siemens | SCALANCE X201-3P IRT (6GK5201-3BH00-2BA3) | vers:all/* |
| Siemens | SCALANCE X310 (6GK5310-0FA10-2AA3) | vers:all/* |
| Siemens | SCALANCE XR324-12M (24V ports on rear) (6GK5324-0GG10-1HR2) | vers:all/* |
| Siemens | SCALANCE XR324-12M (230V ports on front) (6GK5324-0GG10-3AR2) | vers:all/* |
| Siemens | SCALANCE X201-3P IRT PRO (6GK5201-3BH00-2BD2) | vers:all/* |
| Siemens | SCALANCE X308-2LH (6GK5308-2FN10-2AA3) | vers:all/* |
| Siemens | SCALANCE X206-1LD (6GK5206-1BC10-2AA3) | vers:all/* |
| Siemens | SCALANCE XR324-4M EEC (2x 24V ports on front) (6GK5324-4GG00-2ER2) | vers:all/* |
DeSpy has not checked any unit, hardware revision or firmware.
Vulnerabilities in this advisory
- CVE-2021-29998 · CWE-122
There is a DHCP vulnerability in Wind River VxWorks, for versions prior to 6.5. This vulnerability could cause a heap overflow if exploited. CVE-2021-29998 has been assigned to this vulnerability. A CVSS v3 base score of 9.8 has been calculated; the CVSS vector string is (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
Acknowledgments, as the advisory lists them
- Siemens: reporting this vulnerability to CISA
The advisory's legal notice
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Sources
DeSpy's copy of this version is dated 2026-09-28.
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