CVE-2020-7592
No known exploitation. EPSS puts it in the 24th percentile. A vendor fix is available.
What to do
The vendor has published a fix. Version details are below where the sources state them.
What it is
From the CVE record
A vulnerability has been identified in SIMATIC HMI Basic Panels 1st Generation (incl. SIPLUS variants) (All versions), SIMATIC HMI Basic Panels 2nd Generation (incl. SIPLUS variants) (All versions), SIMATIC HMI Comfort Panels (incl. SIPLUS variants) (All versions), SIMATIC HMI KTP700F Mobile Arctic (All versions), SIMATIC HMI Mobile Panels 2nd Generation (All versions), SIMATIC WinCC Runtime Advanced (All versions). Unencrypted communication between the configuration software and the respective device could allow an attacker to capture potential plain text communication and have access to sensitive information.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
0.3% chance of exploitation activity in the next 30 days, which ranks it in the 24th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
5 events over 1591 days, from the signal feeds we watch.
- Patch availablerecord updated
- Publishedweakness classified, att&ck mapped
Affected products
- SIMATIC HMI Basic Panels 1st Generation (incl. SIPLUS variants)ICS / OT / IoT
- SIMATIC HMI Basic Panels 2nd Generation (incl. SIPLUS variants)ICS / OT / IoT
- SIMATIC HMI Comfort Panels (incl. SIPLUS variants)ICS / OT / IoT
- SIMATIC HMI KTP700F Mobile ArcticICS / OT / IoT
- SIMATIC HMI Mobile Panels 2nd GenerationICS / OT / IoT
- SIMATIC WinCC Runtime AdvancedICS / OT / IoT
- simatic hmi basic panels 1st generationICS / OT / IoT
- simatic hmi basic panels 2nd generationICS / OT / IoT
And 4 more affected products. See all after sign-in
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Scored 6.5 by NVD.
How it is reached
- Attack Vector AdjacentRequires access to the local network (e.g. same Wi-Fi, Bluetooth)
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required NoneNo authentication required — anyone can exploit this
- User Interaction NoneNo user interaction needed — fully automated exploitation
Scope
- Scope UnchangedImpact is limited to the vulnerable component itself
Impact if exploited
- Confidentiality HighTotal information disclosure — all data in the component is compromised
- Integrity NoneNo integrity impact
- Availability NoneNo availability impact
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
- CollectionT1557Adversary-in-the-Middlehigh confidence
- Credential AccessT1040Network Sniffinghigh confidence
Sources
References in the record
- cert-portal.siemens.com/productcert/pdf/ssa-364335.pdf
- us-cert.cisa.gov/ics/advisories/icsa-20-196-04
- cert-portal.siemens.com/productcert/html/ssa-364335.html
And 8 more references. See all after sign-in
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