CVE-2020-25540
ThinkAdmin directory traversal vulnerability
ThinkAdmin v6 is affected by a directory traversal vulnerability. An unauthorized attacker can read arbitrarily file on a remote server via GET request encode parameter.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
7.5
ThinkAdmin v6 is affected by a directory traversal vulnerability. An unauthorized attacker can read arbitrarily file on a remote server via GET request encode parameter.
- Record
CVE-2020-25540- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
CVE List No score
ThinkAdmin v6 is affected by a directory traversal vulnerability. An unauthorized attacker can read arbitrarily file on a remote server via GET request encode parameter.
- Record
CVE-2020-25540- Updated
- 2026-11-02
EUVDEUVD-2022-2036 No score
ThinkAdmin v6 is affected by a directory traversal vulnerability. An unauthorized attacker can read arbitrarily file on a remote server via GET request encode parameter.
- Record
EUVD-2022-2036- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-2qm5-r82g-5hcx
7.5
ThinkAdmin directory traversal vulnerability
ThinkAdmin v6 is affected by a directory traversal vulnerability. An unauthorized attacker can read arbitrarily file on a remote server via GET request encode parameter.
- Record
GHSA-2qm5-r82g-5hcx- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
OSVGHSA-2qm5-r82g-5hcx
7.5
ThinkAdmin directory traversal vulnerability
ThinkAdmin v6 is affected by a directory traversal vulnerability. An unauthorized attacker can read arbitrarily file on a remote server via GET request encode parameter.
- Record
GHSA-2qm5-r82g-5hcx- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
zoujingli/thinkadminPackagist |
6.0 to 6.0 | None known |
zoujingli/thinkadminPackagist |
Listed versions 6.0 |
None known |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | ThinkAdmin 6 - Arbitrarily File Read | 2020-09-15 |
| Nuclei | ThinkAdmin 6 - Local File Inclusion | |
| PoC in GitHub | RajChowdhury240/ThinkAdmin-CVE-2020-25540 | 2022-03-09 |
| PoC in GitHub | Schira4396/CVE-2020-25540 | 2020-10-19 |
| PoC in GitHub | lowkey0808/cve-2020-25540 | 2022-05-10 |
| PoC in GitHub | simonlee-hello/CVE-2020-25540 | 2024-07-11 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, Nuclei, NVD, OSV, PoC in GitHub |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-25540 is a high vulnerability (CVSS 7.5) in Thinkadmin, published September 14, 2020. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 75.3%, the 99th percentile. No source names a fixed version.
References
github.com/zoujingli/ThinkAdmin/issues/244
wtfsec.org/posts/thinkadmin-v6-%E5%88%97%E7%9B%AE%E5%BD%95-%E4%BB%BB%E6%84%8F%E6%96%87%E4%BB%B6%E8%AF%BB%E5%8F%96
packetstormsecurity.com/files/159177/ThinkAdmin-6-Arbitrary-File-Read.html
nvd.nist.gov/vuln/detail/CVE-2020-25540
github.com/zoujingli/ThinkAdmin/commit/ff2ab47cfabd4784effbf72a2a386c5d25c43a9a
github.com/advisories/GHSA-2qm5-r82g-5hcx
github.com/zoujingli/ThinkAdmin