critical
9.8
CWE
787
Advisory Published
Updated

CVE-2021-29998

First published: Tue Apr 13 2021(Updated: )

An issue was discovered in Wind River VxWorks before 6.5. There is a possible heap overflow in dhcp client.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Wind River VxWorks<6.5
Siemens Ruggedcom Win Subscriber Station
Siemens Ruggedcom Win Subscriber Station
Siemens Scalance X200-4P IRT Firmware
Siemens SCALANCE X200-4P IRT (6GK5200-4AH00-2BA3)
Siemens Scalance X201-3P IRT Pro Firmware
Siemens SCALANCE X201-3P IRT PRO
Siemens Scalance X201-3P IRT Firmware
Siemens Scalance X201-3P IRT Pro Firmware
Siemens SCALANCE X202-2 IRT Firmware
Siemens SCALANCE X202-2IRT
Siemens Scalance X202-2P IRT PRO Firmware
Siemens SCALANCE X202-2P IRT
Siemens Scalance X202-2P IRT PRO Firmware
Siemens Scalance X202-2P IRT PRO Firmware
Siemens Scalance X-200IRT
Siemens SCALANCE X204IRT
Siemens Scalance X204IRT PRO Firmware
Siemens SCALANCE X204IRT PRO
Siemens Scalance X204-2
Siemens Scalance X204-2 Firmware
Siemens Scalance X204-2FM Firmware
Siemens SCALANCE X204-2FM
Siemens Scalance X204-2LD TS
Siemens SCALANCE X204-2LD TS
Siemens Scalance X204-2LD TS
Siemens SCALANCE X204-2TS
Siemens Scalance X204-2TS
Siemens SCALANCE X204-2TS
Siemens Scalance X206-1LD
Siemens Scalance X206-1 Firmware
Siemens Scalance X206-1LD
Siemens SCALANCE X206-1LD
Siemens Scalance X208
Siemens Scalance X208
Siemens SCALANCE X208 PRO
Siemens SCALANCE X208PRO
Siemens Scalance X212-2LD
Siemens SCALANCE X212-2
siemens scalance x212-2ld firmware
Siemens SCALANCE X212-2LD
Siemens Scalance X216 Firmware
Siemens SCALANCE X-200 Firmware
Siemens Scalance X224 Firmware
Siemens Scalance X224 Firmware
Siemens Scalance X-300 Firmware
Siemens Scalance X-300 Firmware
Siemens Scalance X408
Siemens SCALANCE X408-2
Siemens Scalance XF201-3P IRT
Siemens SCALANCE XF201-3P IRT
Siemens Scalance XF202-2P IRT
Siemens SCALANCE XF202-2P IRT
Siemens Scalance XF204 Firmware
Siemens Scalance XF204
Siemens SCALANCE XF204IRT firmware
Siemens SCALANCE XF204IRT (6GK5204-0BA00-2BF2)
Siemens Scalance XF204-2 Firmware
Siemens SCALANCE XF204-2
Siemens Scalance XF204-2BA IRT
Siemens SCALANCE XF204-2BA IRT
Siemens Scalance XF206-1
Siemens SCALANCE XF206-1
Siemens Scalance XF208
Siemens SCALANCE XF208
Siemens Simatic RF181EIP Firmware
Siemens SIMATIC RFID 181EIP
Siemens Simatic RF182C
Siemens SIMATIC RF182C (6GT2002-0JD10)
Siemens Sinamics Perfect Harmony GH180>=2015<2022
Siemens Sinamics Perfect Harmony GH180

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2021-29998?

    The severity of CVE-2021-29998 is classified as high due to the potential for a heap overflow vulnerability.

  • How do I fix CVE-2021-29998?

    To fix CVE-2021-29998, update to a version of Wind River VxWorks that is 6.5 or later.

  • What products are affected by CVE-2021-29998?

    CVE-2021-29998 affects Wind River VxWorks versions prior to 6.5 and certain Siemens Scalance devices.

  • What is a heap overflow in relation to CVE-2021-29998?

    A heap overflow in CVE-2021-29998 may allow attackers to execute arbitrary code or cause denial of service.

  • Is there a workaround for CVE-2021-29998?

    Currently, there are no official workarounds for CVE-2021-29998 other than applying the available updates.

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