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UK Cyber Defence
VulnerabilityAnalyzed

CVE-2021-44529

Ivanti Endpoint Manager Cloud Service Appliance (EPM CSA) Code Injection Vulnerability

KEVEXPLOITCRITICAL 9.8EPSS 99.1%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 15 April 2024). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

Description

A code injection vulnerability in the Ivanti EPM Cloud Services Appliance (CSA) allows an unauthenticated user to execute arbitrary code with limited permissions (nobody).

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
99.11% probability · 100th percentile
Public exploits
1 in Exploit-DB · first 22 March 2022
CISA KEV
Listed 25 March 2024 · due 15 April 2024 · used in ransomware campaigns
Weakness
CWE-94
Affected
ivanti/endpoint manager cloud services appliance
Source
support@hackerone.com
EPSS trend
0%50%100%30 October 2026: 99.11%30 October 202630 October 2026

EPSS 99.1% since 30 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

CISA notes

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. https://forums.ivanti.com/s/article/SA-2021-12-02?language=en_US; https://nvd.nist.gov/vuln/detail/CVE-2021-44529

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-50833source ↗Ivanti Endpoint Manager 4.6 - Remote Code Execution (RCE)multiple · d7xremote22 March 2022no

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.