# CVE-2023-47105: Chaosblade - RCE

> Live exploitation tracking for CVE-2023-47105 by the CrowdSec Live Exploit Tracker, built from real-world attack data crowdsourced from CrowdSec's global network.

Page: https://tracker.crowdsec.net/cves/CVE-2023-47105

## Key facts

- **Exploitation phase:** Limited Exploitation. The vulnerability is known but shows very limited attacker interest or exploitation activity.
- **CVSS score:** 8.6
- **Public exploit available:** Yes
- **Affected products:** Chaosblade
- **Weaknesses:** CWE-78 (Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection'))

## Description

The exec.CommandContext function in Chaosblade 0.3 through 1.7.3, when server mode is used, allows OS command execution via the cmd parameter without authentication.

## CrowdSec analysis

[CVE-2023-47105](https://euvd.enisa.europa.eu/vulnerability/CVE-2023-47105) is a command execution vulnerability affecting Chaosblade in server mode, allowing unauthenticated OS command execution via crafted requests.  

CrowdSec has been tracking this vulnerability and its exploits since 3rd of April 2025.

CrowdSec network observations suggest that most exploitation of CVE-2023-47105 involves focused reconnaissance to identify viable targets. Attackers typically tailor their campaigns based on system exposure and configuration. It is unlikely that a given attack is accidental.
CrowdSec network telemetry also shows that exploitation of CVE-2023-47105 has significantly declined over the past week. Attack volumes are well below the long-term average, suggesting attackers are rapidly losing interest. The vulnerability appears to be falling out of active use across most threat landscapes.

Exploitation attempts are characterized by requests to URLs containing `/chaosblade` with suspicious command parameters.

## Timeline

- 2024-09-18: CVE Published. CVE-2023-47105 is published to NVD.
- 2025-04-03: Rule Released. CrowdSec releases a rule to detect CVE-2023-47105 exploitation attempts against the CrowdSec Network.
- 2025-04-07: CrowdSec First Seen. CrowdSec observes in-the-wild exploitation of CVE-2023-47105 for the first time.

## References

- https://github.com/chaosblade-io/chaosblade/blob/0a07380c9899febb2b544132783b376b44226cca/exec/os/executor.go#L68
- https://narrow-oatmeal-0c0.notion.site/ChaosBlade-Remote-Command-Execution-CVE-2023-47105-4f5459046488436caaec2bced6ff26d7
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-47105.yaml

## Live exploitation data

The [Live Exploit Tracker page](https://tracker.crowdsec.net/cves/CVE-2023-47105) follows observed exploitation activity for CVE-2023-47105. [Request an API key](https://tracker.crowdsec.net/request-api-key) for full access to its exploitation timeline, attacking IP addresses and blocklists.