// For flags

CVE-2020-20118

 

Severity Score

5.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

Buffer Overflow vulnerability in Avast AntiVirus before v.19.7 allows a local attacker to cause a denial of service via a crafted request to the aswSnx.sys driver.

*Credits: N/A
CVSS Scores
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2020-08-13 CVE Reserved
  • 2023-07-11 CVE Published
  • 2023-07-19 EPSS Updated
  • 2024-11-08 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CAPEC
References (2)
URL Tag Source
URL Date SRC
URL Date SRC
https://gitlab.com/yongchuank/avast-aswsnx-ioctl-82ac0060-oob-write 2023-07-18
URL Date SRC
http://avast.com 2023-07-18
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Avast
Search vendor "Avast"
 Antivirus
Search vendor "Avast" for product "Antivirus"
 < 19.7
Search vendor "Avast" for product "Antivirus" and version " < 19.7"
-
Affected