Vulnerability Details : CVE-2020-25289
The VPN service in AVAST SecureLine before 5.6.4982.470 allows local users to write to arbitrary files via an Object Manager symbolic link from the log directory (which has weak permissions).
Products affected by CVE-2020-25289
- cpe:2.3:a:avast:secureline_vpn:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-25289
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-25289
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
2.1
|
LOW | AV:L/AC:L/Au:N/C:N/I:P/A:N |
3.9
|
2.9
|
NIST | |
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2020-25289
-
The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-25289
-
http://zeifan.my/security/arbitrary%20file/eop/2020/07/21/avast-secureline-vpn-arb-file-eop.html
AVAST SecureLine VPN - Arbitrary File Creation Vulnerability - Security ResearchExploit;Third Party Advisory
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