SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2023-46805

Ivanti Connect Secure and Policy Secure Authentication Bypass Vulnerability

KEVHIGH 8.2EPSS 100.0%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 22 January 2024). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

An authentication bypass vulnerability in the web component of Ivanti ICS 9.x, 22.x and Ivanti Policy Secure allows a remote attacker to access restricted resources by bypassing control checks.

CVSS 3.1
8.2 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
EPSS
99.99% probability · 100th percentile
CISA KEV
Listed 10 January 2024 · due 22 January 2024 · used in ransomware campaigns
Weakness
CWE-287
Affected
ivanti/connect secure · ivanti/policy secure
Source
support@hackerone.com

CISA notes

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. Please apply mitigations per vendor instructions. For more information, please see: https://forums.ivanti.com/s/article/KB-CVE-2023-46805-Authentication-Bypass-CVE-2024-21887-Command-Injection-for-Ivanti-Connect-Secure-and-Ivanti-Policy-Secure-Gateways?language=en_US ; https://nvd.nist.gov/vuln/detail/CVE-2023-46805

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.