# CVE-2023-35078: Ivanti - Authentication Bypass

> Live exploitation tracking for CVE-2023-35078 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-2023-35078

## Key facts

- **Exploitation phase:** Limited Exploitation. The vulnerability is known but shows very limited attacker interest or exploitation activity.
- **CVSS score:** 9.8
- **Public exploit available:** Yes
- **Affected products:** Ivanti Endpoint Manager Mobile
- **Weaknesses:** CWE-287 (Improper Authentication)
- **Tags:** firewall, sslvpn

## Description

An authentication bypass vulnerability in Ivanti EPMM allows unauthorized users to access restricted functionality or resources of the application without proper authentication.

## CrowdSec analysis

[CVE-2023-35078](https://euvd.enisa.europa.eu/vulnerability/CVE-2023-35078) is a critical authentication bypass vulnerability in Ivanti EPMM that enables unauthorized users to access restricted application functionality or resources without proper authentication.

CrowdSec has been tracking this vulnerability and its exploits since 9th of February 2024.

According to CrowdSec data, while opportunistic exploitation dominates, a portion of threat actors trying to exploit CVE-2023-35078 apply basic targeting methods such as port or service detection. This indicates emerging patterns of selective targeting.
CrowdSec network telemetry also shows that exploitation of CVE-2023-35078 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.

Attackers look for accessible endpoints to gain unauthorized access, taking advantage of the authentication bypass flaw.

## Timeline

- 2023-07-25: CVE Published. CVE-2023-35078 is published to NVD.
- 2023-07-25: CISA KEV. CVE-2023-35078 is added to the Known Exploited Vulnerabilities catalog by CISA.
- 2023-08-15: CISA Remediation Deadline. Expiration of the CISA remediation deadline as described in [BOD 22-01](https://www.cisa.gov/news-events/directives/bod-22-01-reducing-significant-risk-known-exploited-vulnerabilities).
- 2024-02-09: Rule Released. CrowdSec releases a rule to detect CVE-2023-35078 exploitation attempts against the CrowdSec Network.
- 2024-11-25: CrowdSec First Seen. CrowdSec observes in-the-wild exploitation of CVE-2023-35078 for the first time.

## References

- https://www.cisa.gov/news-events/alerts/2023/07/24/ivanti-releases-security-updates-endpoint-manager-mobile-epmm-cve-2023-35078
- https://www.ivanti.com/blog/cve-2023-35078-new-ivanti-epmm-vulnerability
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-35078.yaml

## Live exploitation data

The [Live Exploit Tracker page](https://tracker.crowdsec.net/cves/CVE-2023-35078) follows observed exploitation activity for CVE-2023-35078. [Request an API key](https://tracker.crowdsec.net/request-api-key) for full access to its exploitation timeline, attacking IP addresses and blocklists.