CVE-2023-31166
Improper Limitation of a Pathname to a Restricted Directory
No known exploitation. EPSS puts it in the 46th 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
An Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in the Schweitzer Engineering Laboratories Real-Time Automation Controller (SEL RTAC) Web Interface could allow a remote authenticated attacker to create folders in arbitrary paths of the file system. See SEL Service Bulletin dated 2022-11-15 for more details.
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
0.6% chance of exploitation activity in the next 30 days, which ranks it in the 46th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
5 events over 561 days, from the signal feeds we watch.
- Patch availablerecord updated
- Publishedweakness classified, att&ck mapped
Affected products
- sel-2241 rtac module firmwareICS / OT / IoT / industrial-network
- sel-3350 firmwareHardware Firmware
- sel-3505 firmwareICS / OT / IoT / industrial-network
- sel-3505-3 firmwareICS / OT / IoT / industrial-network
- sel-3530 firmwareICS / OT / IoT / industrial-network
- sel-3530-4 firmwareICS / OT / IoT / industrial-network
- sel-3532 firmwareHardware Firmware
- sel-3555 firmwareHardware Firmware
And 4 more affected products. See all after sign-in
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N
Scored 4.1 by NVD.
How it is reached
- Attack Vector NetworkExploitable remotely over the network without any special conditions
- Attack Complexity LowNo special conditions — the attack can be reliably reproduced
- Privileges Required LowRequires basic user-level privileges
- User Interaction RequiredA user must click a link, open a file, or perform some action
Scope
- Scope ChangedThe exploit can affect other components (e.g. sandbox escape, host compromise from VM)
Impact if exploited
- Confidentiality NoneNo confidentiality impact
- Integrity LowData modification is possible but limited in scope or consequence
- Availability NoneNo availability impact
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
Sources
References in the record
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