CVE-2019-10993

In WebAccess/SCADA Versions 8.3.5 and prior, multiple untrusted pointer dereference vulnerabilities may allow a remote attacker to execute arbitrary code.

Published: 2019-06-28 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2019-10993 is rated High Risk (67.5/100): CVSS Critical severity, with high exploitation likelihood (EPSS 10.66%, 95th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2019-10993

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 23.31% 10.66% -12.65%
2 2026-05-29 23.59% 23.31% -0.28%
3 2026-04-13 — 23.59% —

Full EPSS history (24 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2019-10993

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.8 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 3.9 5.9 [email protected]
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2019-10993

Affected software / configurations for CVE-2019-10993

Vendor Product Version Raw CPE
advantech webaccess <= 8.3.5 cpe:2.3:a:advantech:webaccess:*:*:*:*:*:*:*:*

References for CVE-2019-10993

URL Tags
https://www.us-cert.gov/ics/advisories/icsa-19-178-05 Third Party Advisory US Government Resource
https://www.zerodayinitiative.com/advisories/ZDI-19-597/ Third Party Advisory VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-19-598/ Third Party Advisory VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-19-601/ Third Party Advisory VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-19-602/ Third Party Advisory VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-19-603/ Third Party Advisory VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-19-605/ Third Party Advisory VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-19-606/ Third Party Advisory VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-19-607/ Third Party Advisory VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-19-611/ Third Party Advisory VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-19-612/ Third Party Advisory VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-19-613/ Third Party Advisory VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-19-614/ Third Party Advisory VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-19-615/ Third Party Advisory VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-19-616/ Third Party Advisory VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-19-617/ Third Party Advisory VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-19-618/ Third Party Advisory VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-19-623/ Third Party Advisory VDB Entry
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