CVE Tools

CVE-2021-35049

Command Injection Vulnerability in Fidelis Network and Deception

Public exploit available. Not confirmed exploited in the wild yet. Fixed in 9.3.7.

Published Updated Sources: CVE.org, NVD

What to do

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

  • Fidelis Cybersecurity Fidelis NetworkAffected: Fidelis Network 9.4Upgrade to: not statedAffected: ≥ Fidelis Network, < 9.3.7Upgrade to: 9.3.7Stated by: CVE record
  • Fidelis Cybersecurity Fidelis DeceptionAffected: Fidelis Deception 9.4Upgrade to: not statedAffected: ≥ Fidelis Deception, < 9.3.7Upgrade to: 9.3.7Stated by: CVE record
  • Fidelissecurity DeceptionAffected: < 9.3.7Upgrade to: 9.3.7Stated by: NVD
  • Fidelissecurity NetworkAffected: < 9.3.7Upgrade to: 9.3.7Stated by: NVD

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

What it is

From the CVE record

Vulnerability in Fidelis Network and Deception CommandPost enables authenticated command injection through the web interface. The vulnerability could allow a specially crafted HTTP request to execute system commands on the CommandPost and return results in an HTTP response in an authenticated session. The vulnerability is present in Fidelis Network and Deception versions prior to 9.3.7 and in version 9.4. Patches and updates are available to address this vulnerability.

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.

EPSS92nd
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

4.6% chance of exploitation activity in the next 30 days, which ranks it in the 92nd percentile of scored CVEs.

Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.

Lifecycle

The patch came 471 days before any public exploit.

  1. Public exploit / PoCsource: other
  2. Patch availablerecord updated
  3. Publishedweakness classified, att&ck mapped

Affected products

Technical detail

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

Scored 9.9 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 ChangedThe exploit can affect other components (e.g. sandbox escape, host compromise from VM)

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.

Sources

Watch the software you run.

My Stack ranks new CVEs for your products by real-world exploitation, so the next serious one reaches you without reading every advisory.

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