CVE-2020-25289
The VPN service in AVAST SecureLine before 5.6.4982.470 allows local users to write to arbitrary...
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).
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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).
- Record
CVE-2020-25289- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N - CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:N/I:P/A:N - Weakness
- CWE-59
- Updated
- 2026-11-02
CVE List No score
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).
- Record
CVE-2020-25289- Updated
- 2026-11-02
EUVDEUVD-2020-17977 No score
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).
- Record
EUVD-2020-17977- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-p87v-mmg4-w93p No score
The VPN service in AVAST SecureLine before 5.6.4982.470 allows local users to write to arbitrary...
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).
- Record
GHSA-p87v-mmg4-w93p- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-25289 is a medium vulnerability (CVSS 5.5) in Avast Secureline Vpn, published September 13, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.45%, the 39th percentile. No source names a fixed version.