LOW
CVE-2020-6980
CWE-312Published: March 16, 2020· Updated: Jun 17, 2026
3.3
CVSS v3.1
Official Description
Rockwell Automation MicroLogix 1400 Controllers Series B v21.001 and prior, Series A, all versions, MicroLogix 1100 Controller, all versions, RSLogix 500 Software v12.001 and prior, If Simple Mail Transfer Protocol (SMTP) account data is saved in RSLogix 500, a local attacker with access to a victim’s project may be able to gather SMTP server authentication data as it is written to the project file in cleartext.
Technical Analysis
CVE-2020-6980 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Affected Vendors & Products
rockwellautomation6 product(s)
micrologix 1400 a firmwaremicrologix 1400 b firmwaremicrologix 1400micrologix 1100 firmwaremicrologix 1100rslogix 500
Source: NVD CPE · 6 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://www.us-cert.gov/ics/advisories/icsa-20-070-06Third Party Advisory · US Government Resource
→
https://www.us-cert.gov/ics/advisories/icsa-20-070-06Third Party Advisory · US Government Resource
Quick Facts
CVE IDCVE-2020-6980
CVSS Score3.3 / 10
SeverityLOW
WeaknessCWE-312
CISA KEVNo
Affected1 vendor(s)
PublishedMar 16, 2020
Related CVEs (CWE-312)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2020-6980 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.