HIGH
CVE-2023-2443
CWE-326Published: May 11, 2023· Updated: Jun 17, 2026
7.5
CVSS v3.1
Official Description
Rockwell Automation ThinManager product allows the use of medium strength ciphers. If the client requests an insecure cipher, a malicious actor could potentially decrypt traffic sent between the client and server API.
Technical Analysis
CVE-2023-2443 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.
A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 7.5.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected Vendors & Products
rockwellautomation1 product(s)
thinmanager
Source: NVD CPE · 1 total CPE entries
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 (2)
→
https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1139442Permissions Required · Vendor Advisory
→
https://rockwellautomation.custhelp.com/app/answers/answer_view/a_id/1139442Permissions Required · Vendor Advisory
Quick Facts
CVE IDCVE-2023-2443
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-326
CISA KEVNo
Affected1 vendor(s)
PublishedMay 11, 2023
Related CVEs (CWE-326)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-2443 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.