CriticalPublic exploit

OS Command Injection in Iteris Vantage Velocity Field Unit timeconfig.py

IdentifiersCVE-2020-9020CWE-78· Improper Neutralization of Special…

CVE-2020-9020 is a critical remote command execution vulnerability affecting Iteris Vantage Velocity Field Unit devices version 2.3.1, 2.4.2, and 3.0. The flaw is caused by improper validation and sanitization of user-supplied input in the CGI component timeconfig.py. Specifically, the NTP Server field, represented by the htmlNtpServer parameter, can be supplied with shell metacharacters that are written into a shell-consumed configuration context. When the downstream ntp configuration script processes this value, attacker-controlled commands are executed by the underlying operating system. The vulnerability is remotely reachable over the device web interface and enables unauthenticated command injection through a crafted HTTP request.

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation allows remote attackers to execute arbitrary operating system commands on the affected device. This can result in full compromise of the field unit, deployment of malware or botnet payloads, unauthorized modification of device configuration, disruption of traffic-monitoring operations, use of the device as a pivot for further network activity, leakage of sensitive operational data, and enlistment of the device in distributed denial-of-service activity or other post-compromise actions.

Mitigation

If you can’t patch tonight, do this now.

Until patches can be applied, restrict access to the device web management interface to trusted administrative networks only, disable or isolate unnecessary remote management exposure, and place affected units behind network controls that prevent untrusted access. Monitor for suspicious HTTP requests targeting the time configuration functionality and for anomalous process execution originating from the web interface context. Network-based protections capable of detecting or blocking command-injection attempts against the vulnerable CGI endpoint can reduce exposure.

Remediation

Patch, then assume compromise.

Upgrade or patch affected Iteris Vantage Velocity Field Unit devices to a vendor-remediated version that properly sanitizes the NTP Server input and prevents shell command injection. If vendor fixes are available, they should be applied on all deployments running versions 2.3.1, 2.4.2, or 3.0. Review exposed devices for signs of compromise and reimage or otherwise restore trusted state where exploitation is suspected before returning systems to service.

PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType

IterisVantage Velocity Firmwareoperating_system

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

ACTIVITY FEED

Recent activity

2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

2 SOURCESView more in app

palo alto networks unit 42 blogNews

Mar 17, 2021

Satori: Mirai Botnet Variant Targeting Vantage Velocity Field Unit RCE Vulnerability

A critical remote command execution vulnerability in Iteris Vantage Velocity field units caused by insufficient validation of the htmlNtpServer parameter in /cgi-bin/timeconfig.py, allowing command injection via crafted HTTP requests.

netlab 360News

Mar 3, 2021

Fbot is now riding the traffic and transportation smart devices

A remote command execution vulnerability in Iteris Vantage Velocity caused by improper filtering of the user-supplied NTP server value, which is written into a shell-consumed configuration file and later executed via shell script.

What this page doesn’t show

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Exposure mapping

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Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware4

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity