CVE-2023-39461
CVE-2023-39461 — Triangle MicroWorks SCADA Data Gateway Event Log Improper Output Neutralization For Logs Arbitrary File Write Vulnerability
Triangle MicroWorks SCADA Data Gateway Event Log Improper Output Neutralization For Logs Arbitrary File Write Vulnerability. This vulnerability allows remote attackers to write arbitrary files on affected installations of Triangle MicroWorks SCADA Data Gateway. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the handling of event logs. The issue results from improper sanitization of log output. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of root. Was ZDI-CAN-20535.
Published Updated Sources: cvelistV5, zdi
Triage
Is it exploited, how likely is exploitation, what does it touch, and how severe do the scoring sources call it.
Exploitation
Unreported
no source claims exploitation
EPSS
1%
chance of exploitation in 30 days
CVSS base
4.4
MEDIUM
CISA SSVC assessment
Three decision points CISA publishes for the CVEs it assesses · SSVC 2.0.3. A stakeholder decision, not a severity score.
Exploitation
None
none · proof-of-concept · active
Automatable
No
can an attacker script all four kill-chain steps
Technical impact
Partial
partial · total control of the vulnerable component
Affected scope
The catalog records vendors and products as separate lists, not pairs, so which product belongs to which vendor is not something this page can say.
Vendors (2)
Products (1)
Every base score collected
Sources score independently and disagree; each row says who scored it and under which version.
| Score | Version | Severity | Expl. | Impact | Source |
|---|---|---|---|---|---|
| 4.4 | CVSS 3.0 | MEDIUM | — | — | cvelistV5 |
Weakness & attack patterns
- CWE-117
Attack patterns reported against this CVE. The ATT&CK techniques below are inferred from its weakness class.
- T1070Indicator Removal on Host
- T1562.002Impair Defenses: Disable Windows Event Logging
- T1562.003Impair Defenses: Impair Command History Logging
References
2 on the record
- www.zerodayinitiative.com/advisories/ZDI-23-1029/
x_research-advisory
- www.trianglemicroworks.com/products/scada-data-gateway/what's-new
vendor-advisory
Elsewhere on this site
- triangle microworksevery CVE for this vendor
- trianglemicroworksevery CVE for this vendor
- CWE-117other pages naming this weakness
Not in any source we poll
Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.
- No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
- No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
- No exploit packet captures, log samples, or incident case IDs supplied.