CVE-2018-8955

Name: CVE-2018-8955
Creator: NVD / NIST
Published: 2018-10-24T22:29:02.137+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 4.26%

Last modified Jun 17, 2026

CVE-2018-8955 is a vulnerability of currently unknown severity. 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 signature unchanged.. EPSS estimates a 4.26% chance of exploitation in the next 30 days.

Description

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 signature unchanged.

Metrics

EPSS Probability

4.26%

89.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-347

Affected Software

Vendor	Product	Versions
Bitdefender	Gravityzone	All versions

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

Timeline

Published: Oct 24, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-8955?

How severe is CVE-2018-8955?

Severity scoring for CVE-2018-8955 is pending analysis. The EPSS model estimates a 4.26% probability of exploitation in the next 30 days.

How do I fix CVE-2018-8955?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2018-8955?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST