VulnerabilityModified

CVE-2018-8955

The installer for BitDefender GravityZone relies on an encoded string in a filename to determine the URL for installation metadata, which allows remote attackers to execute arbitrary code by changing the filename while leaving the file's digital…

CRITICAL 9.8EPSS 4.26%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (4.26%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

CVSS 3.0: 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 4.26% probability · 91th percentile
Public exploits: None in Exploit-DB
CISA KEV: Not listed
Weakness: CWE-347
Affected: bitdefender/gravityzone
Source: cve@mitre.org

EPSS trend

EPSS 4.3% since 28 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

References

http://packetstormsecurity.com/files/149900/Bitdefender-GravityZone-Installer-Signature-Bypass-Code-Execution.htmlThird Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2018/Oct/44Mailing List, Third Party Advisory
http://www.securitytracker.com/id/1041940Third Party Advisory, VDB Entry
https://labs.nettitude.com/blog/cve-2018-8955-bitdefender-gravityzone-arbitrary-code-execution/Exploit, Third Party Advisory
http://packetstormsecurity.com/files/149900/Bitdefender-GravityZone-Installer-Signature-Bypass-Code-Execution.htmlThird Party Advisory, VDB Entry
http://seclists.org/fulldisclosure/2018/Oct/44Mailing List, Third Party Advisory
http://www.securitytracker.com/id/1041940Third Party Advisory, VDB Entry
https://labs.nettitude.com/blog/cve-2018-8955-bitdefender-gravityzone-arbitrary-code-execution/Exploit, Third Party Advisory

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