CVE-2020-10638 — CRITICAL (9.8)

Q: How severe is CVE-2020-10638?

CVE-2020-10638 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2020-10638?

Check the references section above for vendor advisories and patch information. Affected products include: Advantech Webaccess.

Vulnerability Description

Advantech WebAccess Node, Version 8.4.4 and prior, Version 9.0.0. Multiple heap-based buffer overflow vulnerabilities exist caused by a lack of proper validation of the length of user-supplied data, which may allow remote code execution.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Advantech	Webaccess	<= 8.4.4

Related Weaknesses (CWE)

CWE-122 CWE-787

References

https://www.us-cert.gov/ics/advisories/icsa-20-128-01Third Party AdvisoryUS Government Resource
https://www.zerodayinitiative.com/advisories/ZDI-20-593/Third Party AdvisoryVDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-20-599/Third Party AdvisoryVDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-20-600/Third Party AdvisoryVDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-20-603/Third Party AdvisoryVDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-20-616/Third Party AdvisoryVDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-20-621/Third Party AdvisoryVDB Entry
https://www.us-cert.gov/ics/advisories/icsa-20-128-01Third Party AdvisoryUS Government Resource
https://www.zerodayinitiative.com/advisories/ZDI-20-593/Third Party AdvisoryVDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-20-599/Third Party AdvisoryVDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-20-600/Third Party AdvisoryVDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-20-603/Third Party AdvisoryVDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-20-616/Third Party AdvisoryVDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-20-621/Third Party AdvisoryVDB Entry

FAQ

What is CVE-2020-10638?

CVE-2020-10638 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Advantech WebAccess Node, Version 8.4.4 and prior, Version 9.0.0. Multiple heap-based buffer overflow vulnerabilities exist caused by a lack of proper validation of the length of user-supplied data, w...

How severe is CVE-2020-10638?

CVE-2020-10638 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2020-10638?

Check the references section above for vendor advisories and patch information. Affected products include: Advantech Webaccess.