The ES File Explorer File Manager application through 4.1.9.7.4 for Android allows remote attackers to read arbitrary files or execute appli
The ES File Explorer File Manager application through 4.1.9.7.4 for Android allows remote attackers to read arbitrary files or execute applications via TCP port 59777 requests on the local Wi-Fi network. This TCP port remains open after the ES application has been launched once, and responds to unauthenticated application/json data over HTTP.
- Published
- Jan 16, 2019
- Updated
- Jun 16, 2026
- EPSS
- 63.8% · 99th percentile
- CWE
- CWE-306
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Report tools
Action score
51
Plan
Add it to your regular patch cycle.
- CVSS
- 32 / 40 · 8.1 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 19 / 30 · 63.8%
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpAffected systems
| Vendor | Product | CPE |
|---|---|---|
| estrongs | es file explorer file manager | cpe:2.3:a:estrongs:es_file_explorer_file_manager |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- estrongs es file explorer file managerup to 4.1.9.7.4 inclusive
Same product
estrongs: all recordsOther highest-scoring records for the same primary product.
- CVE-2019-11380The master-password feature in the ES File Explorer File Manager application 4.2.0.1.3 for Android can be bypassed via a com.estrongs.androi30Monitor
- CVE-2019-8345The Help feature in the ES File Explorer File Manager application 4.1.9.7.4 for Android allows session hijacking by a Man-in-the-middle atta16Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
Weaponized
A ready exploit tool or active in-the-wild use is known for this vulnerability. This should be your top priority.
Evidence
- Metasploit module ×1
- Exploit-DB entry ×1
- Proof-of-concept repository on GitHub ×13
Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.
| Source | Kind | Date |
|---|---|---|
| Exploit-DB entry | remote | 2021-06-29 |
| Metasploit module | auxiliary/scanner/http/es_file_explorer_open_portES File Explorer Open Portauxiliary | 2019-01-16 |
| Proof-of-concept repository on GitHub | stars:679 | 2019-01-09 |
| Proof-of-concept repository on GitHub | stars:0 | 2020-05-14 |
| Proof-of-concept repository on GitHub | stars:0 | 2021-07-09 |
| Proof-of-concept repository on GitHub | stars:0 | 2021-08-08 |
| Proof-of-concept repository on GitHub | stars:0 | 2021-10-07 |
| Proof-of-concept repository on GitHub | stars:0 | 2022-02-03 |
| Proof-of-concept repository on GitHub | stars:0 | 2022-06-15 |
| Proof-of-concept repository on GitHub | stars:0 | 2022-07-03 |
| Proof-of-concept repository on GitHub | stars:3 | 2022-07-08 |
| Proof-of-concept repository on GitHub | stars:0 | 2022-08-02 |
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
- First PoC-7 d
- Metasploitsame day
- Published
- TodaySep 30, 2026+2815 d
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Someone on the same network segment can trigger it.
- No account or password is required.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- high · data can be read
- Integrity
- high · data or configuration can be modified
- Availability
- none
- Attack vector
- Adjacent
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- None
Weakness class (CWE)
CWE-306 · Missing Authentication for Critical FunctionCVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
nvd-primary
Root cause
A function added for development or support ships to production without authentication. It often relies on the assumption that it is “only reachable from the internal network.”
The bug in code
The whole CWE-306 classA representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.
Vulnerable
// Added for the support teamapp.post("/maintenance/reset", resetDevice);Fixed
if (config.maintenanceEnabled) { app.post( "/maintenance/reset", requireSession, requireRole("admin"), resetDevice );}Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
ATT&CK techniques
—
Change log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
Vendor advisories and official records. Exploit/PoC links are deliberately left out.