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Critical severity · published Apr 13, 2021
CVE-2021-29998
An issue was discovered in Wind River VxWorks before 6.5
9.8
CVSS
2.4%
EPSS
No
On KEV
Description
An issue was discovered in Wind River VxWorks before 6.5. There is a possible heap overflow in dhcp client.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.4% · higher than 84% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RW
Ruggedcom Win Subscriber Station Firmware · Siemens
All versions, or not specified · source: NVD
SX
Scalance X200-4 P Irt Firmware · Siemens
All versions, or not specified · source: NVD
SX
Scalance X201-3p Irt Firmware · Siemens
All versions, or not specified · source: NVD
SX
Scalance X201-3p Irt Pro Firmware · Siemens
All versions, or not specified · source: NVD
SX
Scalance X202-2 Irt Firmware · Siemens
All versions, or not specified · source: NVD
SX
Scalance X202-2p Irt Firmware · Siemens
All versions, or not specified · source: NVD
SX
Scalance X202-2p Irt Pro Firmware · Siemens
All versions, or not specified · source: NVD
SX
Scalance X204 Irt Firmware · Siemens
All versions, or not specified · source: NVD
SX
Scalance X204 Irt Pro Firmware · Siemens
All versions, or not specified · source: NVD
SX
Scalance X204-2 Firmware · Siemens
All versions, or not specified · source: NVD
SX
Scalance X204-2fm Firmware · Siemens
All versions, or not specified · source: NVD
SX
Scalance X204-2ld Firmware · Siemens
All versions, or not specified · source: NVD
Affected product
RW
Ruggedcom Win Subscriber Station Firmware
Siemens
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-29998
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-29998
Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-560465.pdf
Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-910883.pdf
Vendor Advisory
https://support2.windriver.com/index.php?page=security-notices
Third Party Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-194-12