CVE-2020-25540
High PUBLISHEDThinkAdmin v6 is affected by a directory traversal vulnerability. An unauthorized attacker can read arbitrarily file on a remote server via GET...
Not yet in CISA KEV
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
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.
- CVE Published
- Sep 14, 2020
- Exploitation Reported
- Sep 14, 2020
- CVSS
- 7.5 High
- EPSS
- —
Affected Versions
| Vendor | Product | Version | Status |
|---|---|---|---|
| n/a |
n/a
|
n/a |
Affected |
CVE References
- GitHub — zoujingli/ThinkAdmin github.com · CVE Record https://github.com/zoujingli/ThinkAdmin/issues/244
- wtfsec.org/posts/thinkadmin-v6-%E5%88%97%E7%9B%AE%E5%BD... wtfsec.org · CVE Record https://wtfsec.org/posts/thinkadmin-v6-%E5%88%97%E7%9B%AE%E5%BD%95-%E...
- packetstormsecurity.com/files/159177/ThinkAdmin-6-Arbitrary-File-Rea... packetstormsecurity.com · CVE Record http://packetstormsecurity.com/files/159177/ThinkAdmin-6-Arbitrary-Fi...
Recommended Actions
- Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
- Check enrichment artifacts for scanner coverage and available PoCs before rolling remediation validation.
- Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.
Known Exploited Vulnerability Sources
Catalogues that list this CVE as a known exploited vulnerability.
Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| The Shadowserver First | 2020-09-14 12:22 UTC |
Scanner Artifacts
Nuclei and Metasploit references linked to this CVE.
| Scanner | Reference | Detected |
|---|---|---|
| Nuclei | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2020/CVE-2020-25540.yaml | Apr 25, 2025 |
Virtual Patch
Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.
KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.
Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.
CVSS Scores
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
AV:N/AC:L/Au:N/C:P/I:N/A:N
Exploitation Status
Exploited in the wild
Recorded 2020-09-14 12:22:40 UTC · The Shadowserver
Proof of concept available
Recorded 2020-10-19 09:56:20 UTC · GitHub
Weaknesses (CWE)
-
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Scanner Integrations
| Scanner | Reference | Detected |
|---|---|---|
| Nuclei | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2020/CVE-2020-25540.yaml | Apr 25, 2025 |
Potential Proof of Concepts
These PoCs are unverified and could contain malware. Use at your own risk.
github · Created 2024-07-11 07:59:52 UTC · 0 stars
ThinkAdmin v5 v6 任意文件读取漏洞利用，可自定义字典爆破
github · Created 2020-10-19 09:56:20 UTC · 7 stars
ThinkAdmin CVE-2020-25540 poc
nuclei · Created Unknown
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
00:00 UTC about 1 year ago00:00 UTC · about 1 year ago
Nuclei template available
Scanner coverage available
-
09:56 UTC almost 6 years ago09:56 UTC · almost 6 years ago
Public PoC available
Public proof-of-concept code published
-
12:22 UTC almost 6 years ago12:22 UTC · almost 6 years ago
Added to KEVIntel KEV Feed
High-confidence, third-party attested exploitation
-
12:22 UTC almost 6 years ago12:22 UTC · almost 6 years ago
CVE published
Vulnerability disclosed publicly
-
00:00 UTC almost 6 years ago00:00 UTC · almost 6 years ago
CVE ID reserved
Identifier reserved by the CNA
Automate This Intelligence with the Pro API
Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
Pro API Example
GET /api/v2/pro/kevs/CVE-2020-25540
{
"cve_id": "CVE-2020-25540",
"title": "ThinkAdmin v6 is affected by a directory traversal vulnerability. An unauthor...",
"affected_vendor": "ThinkAdmin",
"affected_product": "ThinkAdmin v6",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "High",
"cvss_score": 7.5,
"epss_score": null,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}