7.2
HIGH
CVE-2020-8103
Bitdefender Antivirus Free Symbolic Link Manipulation Vulnerability
Description

A vulnerability in the improper handling of symbolic links in Bitdefender Antivirus Free can allow an unprivileged user to substitute a quarantined file, and restore it to a privileged location. This issue affects Bitdefender Antivirus Free versions prior to 1.0.17.178.

INFO

Published Date :

June 5, 2020, 5:15 p.m.

Last Modified :

June 11, 2020, 3:57 p.m.

Source :

[email protected]

Remotely Exploitable :

No

Impact Score :

6.0

Exploitability Score :

0.5
Public PoC/Exploit Available at Github

CVE-2020-8103 has a 6 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2020-8103 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Bitdefender antivirus_2020
: Total Affected Vendor : 1 | Products : 1
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2020-8103.

URL Resource
https://www.bitdefender.com/support/security-advisories/link-resolution-privilege-escalation-vulnerability-bitdefender-antivirus-free-va-8604/ Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
soosmile/POC

None

Updated: 4 months, 2 weeks ago
8 stars 1 fork 1 watcher
Born at : June 21, 2022, 7:45 a.m. This repo has been linked 943 different CVEs too.
Profile Photo
developer3000S/PoC-in-GitHub

None

Updated: 8 months, 1 week ago
33 stars 3 fork 3 watcher
Born at : March 12, 2021, 12:22 p.m. This repo has been linked 1063 different CVEs too.
Profile Photo
hectorgie/PoC-in-GitHub

None

Updated: 1 year, 3 months ago
17 stars 10 fork 10 watcher
Born at : Jan. 2, 2021, 10:19 p.m. This repo has been linked 1050 different CVEs too.
Profile Photo
0xT11/CVE-POC

None

Updated: 2 months, 4 weeks ago
82 stars 32 fork 32 watcher
Born at : Oct. 2, 2020, 2:49 p.m. This repo has been linked 1111 different CVEs too.
Profile Photo
RedyOpsResearchLabs/CVE-2020-1283_Windows-Denial-of-Service-Vulnerability

Exploit Code for CVE-2020-1283 - Windows-Denial-of-Service-Vulnerability

C++ C

Updated: 3 years, 1 month ago
7 stars 5 fork 5 watcher
Born at : April 17, 2020, 9:21 a.m. This repo has been linked 2 different CVEs too.
Profile Photo
RedyOpsResearchLabs/-CVE-2020-8103-Bitdefender-Antivirus-Free-EoP

CVE-2020-8103 Link Resolution Privilege Escalation Vulnerability in Bitdefender Antivirus Free

C++ C

Updated: 8 months, 2 weeks ago
15 stars 4 fork 4 watcher
Born at : April 3, 2020, 7:57 a.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2020-8103 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2020-8103 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Jun. 11, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:N/I:P/A:P)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
    Changed Reference Type https://www.bitdefender.com/support/security-advisories/link-resolution-privilege-escalation-vulnerability-bitdefender-antivirus-free-va-8604/ No Types Assigned https://www.bitdefender.com/support/security-advisories/link-resolution-privilege-escalation-vulnerability-bitdefender-antivirus-free-va-8604/ Vendor Advisory
    Added CWE NIST CWE-59
    Added CPE Configuration OR *cpe:2.3:a:bitdefender:antivirus_2020:*:*:*:*:free:*:*:* versions up to (excluding) 1.0.17.178
  • CVE Modified by [email protected]

    Jun. 05, 2020

    Action Type Old Value New Value
    Changed Description A vulnerability in the improper handling of symbolic links in Bitdefender Antivirus Free can allow an unprivileged user to substitute a quarantined file, and restore it to a privileged location. This issue affects Bitdefender Antivirus Free versions prior to 1.0.17.178. A vulnerability in the improper handling of symbolic links in Bitdefender Antivirus Free can allow an unprivileged user to substitute a quarantined file, and restore it to a privileged location. This issue affects Bitdefender Antivirus Free versions prior to 1.0.17.178.
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-8103 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2020-8103 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.04 }} 0.00%

score

0.10264

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: