Vulnerability in Bitdefender Gravityzone
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 signature unchanged.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.043 (90.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 90.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.043 · newest: 0.043 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- packetstormsecurity.com/files/149900/Bitdefender-GravityZone-Installer-Signatur… (VDB Entry, Third Party Advisory)
- labs.nettitude.com/blog/cve-2018-8955-bitdefender-gravityzone-arbitrary-code-ex… (Exploit, Third Party Advisory)
- seclists.org/fulldisclosure/2018/Oct/44 (mailing-list, Mailing List, Third Party Advisory)
- www.securitytracker.com/id/1041940 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2018-8955?
- CVE-2018-8955 is a critical-severity vulnerability in Bitdefender Gravityzone, classified under Improper Verification of Cryptographic Signature. CVSS score: 9.8/10. Published 2018-10-24.
- How severe is CVE-2018-8955?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2018-8955 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.