CVE-2021-29998
CRITICAL
9.8
CVSS Score
Published: April 13, 2021 at 04:16 PM UTC
Updated: June 17, 2026 at 03:48 AM UTC
71 products affected across 2 vendorsVxworksScalance XF204 FirmwareScalance Xf204-2ba Irt Firmware
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Severity
CRITICAL9.8
Exploit prediction
EPSS 2%
Description
An issue was discovered in Wind River VxWorks before 6.5. There is a possible heap overflow in dhcp client.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
All versions
siemens-ruggedcom-win-subscriber-station (same device)
All versions
siemens-scalance-x201-3p-irt-pro (same device)
All versions
siemens-scalance-x202-2p-irt-pro (same device)
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (4)
x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://cert-portal.siemens.com/productcert/pdf/ssa-560465.pdfx_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://cert-portal.siemens.com/productcert/pdf/ssa-910883.pdfx_refsource_MISCVendor Advisory
Source: [email protected]
https://support2.windriver.com/index.php?page=security-noticesx_refsource_MISCThird Party AdvisoryUS Government Resource
Source: [email protected]
https://us-cert.cisa.gov/ics/advisories/icsa-21-194-12CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-787
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