Vulnerability Name:

CVE-2020-15731 (CCN-189503)

Assigned:2020-09-30
Published:2020-09-30
Updated:2020-10-09
Summary:An improper Input Validation vulnerability in the code handling file renaming and recovery in Bitdefender Engines allows an attacker to write an arbitrary file in a location hardcoded in a specially-crafted malicious file name. This issue affects: Bitdefender Engines versions prior to 7.85448.
CVSS v3 Severity:3.6 Low (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N)
3.2 Low (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
Availibility (A): None
3.2 Low (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N)
2.8 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): None
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
1.7 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-20
Vulnerability Consequences:Gain Privileges
References:Source: MITRE
Type: CNA
CVE-2020-15731

Source: XF
Type: UNKNOWN
bitdefender-cve202015731-priv-esc(189503)

Source: CCN
Type: Bitdefender VA-8953
Local Privilege Escalation in Bitdefender Engines

Source: CONFIRM
Type: Vendor Advisory
N/A

Vulnerable Configuration:Configuration 1:
  • cpe:/a:bitdefender:engines:*:*:*:*:*:*:*:* (Version < 7.85448)

    • * Denotes that component is vulnerable
    BACK
    bitdefender engines *