HIGH
CVE-2018-18999
CWE-20Published: December 19, 2018· Updated: Jun 17, 2026
7.3
CVSS v3.1
Official Description
WebAccess/SCADA, WebAccess/SCADA Version 8.3.2 installed on Windows 2008 R2 SP1. Lack of proper validation of user supplied input may allow an attacker to cause the overflow of a buffer on the stack.
Technical Analysis
CVE-2018-18999 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityLow
AvailabilityLow
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Affected Vendors & Products
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (6)
→
http://www.securityfocus.com/bid/106245Third Party Advisory · VDB Entry
→
https://ics-cert.us-cert.gov/advisories/ICSA-18-352-02Third Party Advisory · US Government Resource
→
https://www.tenable.com/security/research/tra-2018-45Third Party Advisory
→
http://www.securityfocus.com/bid/106245Third Party Advisory · VDB Entry
→
https://ics-cert.us-cert.gov/advisories/ICSA-18-352-02Third Party Advisory · US Government Resource
→
https://www.tenable.com/security/research/tra-2018-45Third Party Advisory
Quick Facts
CVE IDCVE-2018-18999
CVSS Score7.3 / 10
SeverityHIGH
WeaknessCWE-20
CISA KEVNo
Affected2 vendor(s)
PublishedDec 19, 2018
Related CVEs (CWE-20)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2018-18999 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.