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CVE-2017-9946

Public exploit available. Not confirmed exploited in the wild yet. Fixed in 3.5.

CVSS 3.17.5HighEPSS percentile98th25% chance in 30 daysCISA KEVNot listedNo confirmed exploitation
Public exploit: 1 sourceFix3.5Upgrade to this build

Published Updated Sources: CVE.org, NVD, CSAF

NVD CVE.org

What to do

Find your product and version, then upgrade to the build on the right.

  • n/a APOGEE PXC and TALON TC BACnet Automation Controllers All versions <V3.5Affected: APOGEE PXC and TALON TC BACnet Automation Controllers All versions <V3.5Upgrade to: not statedStated by: CVE record
  • Siemens Apogee Pxc FirmwareAffected: < 3.5Upgrade to: 3.5Stated by: NVD
  • Siemens Apogee Pxc Modular FirmwareAffected: < 3.5Upgrade to: 3.5Stated by: NVD
  • Siemens Talon Tc Compact FirmwareAffected: < 3.5Upgrade to: 3.5Stated by: NVD
  • Siemens Talon Tc Modular FirmwareAffected: < 3.5Upgrade to: 3.5Stated by: NVD

Versions as the sources state them. Full version matrix after sign-in

Check it yourselfA free OpenVAS check exists for this CVE. Run it against your hosts.Is your organisation exposed?Request an assessment to establish which checks fit your systems.

What it is

From the CVE record

A vulnerability has been identified in Siemens APOGEE PXC and TALON TC BACnet Automation Controllers in all versions <V3.5. An attacker with network access to the integrated web server (80/tcp and 443/tcp) could bypass the authentication and download sensitive information from the device.

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.

EPSS98th
Public exploit
CISA KEV

Not in the catalog. CISA has not confirmed exploitation.

Public exploits

1 source with a proof of concept or module.

Exploit links, PoCs and Metasploit modules after sign-in
EPSS

25% 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

A public exploit existed 88 days before the patch.

  1. OpenVAS check added
  2. EPSS band changelow → moderate
  3. Patch availablerecord updated
  4. Public exploit / PoCsource: packetstorm
  5. Publishedweakness classified, att&ck mapped

Affected products

And 1 more affected product. See all after sign-in

Technical detail

CVSS 3.1 vector

Open in the CVSS calculator

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Scored 7.5 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 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.

Sources

References in the record

And 15 more references. See all after sign-in

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We'll flag the next CVE, public exploit or patch for Apogee Pxc Firmware, not every advisory. This one: public exploit.