Medium severity · published May 24, 2021
CVE-2021-3485
An Improper Input Validation vulnerability in the Product Update feature of Bitdefender Endpoint Security Tools for Linux allows a man-in-the-middle attacker to abuse the…
6.6
CVSS
0.9%
EPSS
No
On KEV
Description
An Improper Input Validation vulnerability in the Product Update feature of Bitdefender Endpoint Security Tools for Linux allows a man-in-the-middle attacker to abuse the DownloadFile function of the Product Update to achieve remote code execution. This issue affects: Bitdefender Endpoint Security Tools for Linux versions prior to 6.2.21.155.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
High
Privileges
High
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 59% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ES
Endpoint Security Tools · Bitdefender
before 6.2.21.155 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-3485
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-3485
Exploit
https://herolab.usd.de/security-advisories/usd-2021-0014/
Vendor Advisory
https://www.bitdefender.com/support/security-advisories/improper-input-validation-in-bitdefender-endpoint-security-tools-for-linux-va-9769
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