CVE-2017-5259
Exploitation likely. EPSS gives it a 32% chance of exploitation in the next 30 days. No fix published yet.
What to do
No fixed build or workaround is published yet. Limit exposure and watch for a patch.
What it is
From the CVE record
In versions 4.3.2-R4 and prior of Cambium Networks cnPilot firmware, an undocumented, root-privilege administration web shell is available using the HTTP path https://<device-ip-or-hostname>/adm/syscmd.asp.
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
32% chance of exploitation activity in the next 30 days, which ranks it in the 98th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
6 events over 3109 days, from the signal feeds we watch.
- OpenVAS check added
- EPSS band changehigh → moderate
- Record updated
- Publishedweakness classified, att&ck mapped
Affected products
- cnpilot r190v firmwareNetworking Infrastructure / router-switch
- cnpilot e410 firmwareNetworking Infrastructure / router-switch
- cnpilot r190n firmwareNetworking Infrastructure / router-switch
- cnpilot e400 firmwareNetworking Infrastructure / router-switch
- cnpilot e600 firmwareNetworking Infrastructure / router-switch
Technical detail
CVSS 3.0 vector
Open in the CVSS calculatorCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Scored 8.8 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 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 HighTotal loss of integrity — attacker can modify any data in the component
- Availability HighTotal denial of service — the component is completely unavailable
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
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