CVE-2021-45010

HIGHNVD 8.88.9▲
EchelonGraph scoreHIGH confidence

Score elevated to 8.9 because EPSS predicts 70% probability of exploitation within the next 30 days (top 0.7% of all CVEs). NVD baseline CVSS 8.8 retained for reference. Confidence: see factors.

Triggered by: EPSS exploit prediction ≥85%
Sources: epss, ghsa, nvd
Elevated
8.9EG
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 70%
CISA-KEV: Not listedEPSS PROB: 70%CVSS: 8.8Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

A path traversal vulnerability in the file upload functionality in tinyfilemanager.php in Tiny File Manager before 2.4.7 allows remote attackers (with valid user accounts) to upload malicious PHP files to the webroot, leading to code execution.

CVSS v3
8.8
EG Score
8.9(high)
EG Risk
73(Track)
EG Risk 73/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity89% × 45%
Exploitation70% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
70%
EPSS %ILE
99%
KEV
Not listed

Published

March 15, 2022

Last Modified

December 31, 2025

Advisory Details (7)

Auto-updated Aug 30, 2026
🔬 Proof of concept available. Patch available. Sources: github_commit, github_pr.
generic🟡 PoC Available

Tiny File Manager Authenticated RCE | febiNJ

https://febin0x4e4a.wordpress.com/2022/01/23/tiny-file-manager-authenticated-rce/
generic

💀 Tiny File Manager 2.4.3 Shell Upload Exploit — PoC exploit | Sploitus

https://sploitus.com/exploit?id=1337DAY-ID-37364&utm_source=rss&utm_medium=rss
generic
https://raw.githubusercontent.com/febinrev/tinyfilemanager-2.4.6-exploit/main/exploit.sh
github_pr Patch Available

Patched the RCE bug.

Patch available: prasathmani/tinyfilemanager 2.4.7 (PR #636 merged 2021-11-12)

https://github.com/prasathmani/tinyfilemanager/pull/636/files/a93fc321a3c89fdb9bee860bf6df5d89083298d1
github_pr Patch Available

Patched the RCE bug.

Patch available: prasathmani/tinyfilemanager 2.4.7 (PR #636 merged 2021-11-12)

https://github.com/prasathmani/tinyfilemanager/pull/636
github_commit Patch Available

commit 2046bbde72ed (prasathmani/tinyfilemanager)

Patch available: prasathmani/tinyfilemanager 2.4.7 (contains commit 2046bbde72ed)

https://github.com/prasathmani/tinyfilemanager/commit/2046bbde72ed76af0cfdcae082de629bcc4b44c7
generic
https://github.com/febinrev/tinyfilemanager-2.4.3-exploit/raw/main/exploit.sh

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 8× in last 7d / 24× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 116 total refreshes for this CVE.

  1. 2026-09-25 02:54 UTCOSV refresh
  2. 2026-09-24 14:00 UTCEPSS rescore
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  1. 2026-08-21 23:46 UTCEPSS rescore
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  5. 2026-08-19 05:32 UTCOSV refresh
  6. 2026-08-16 14:53 UTCEPSS rescore
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  9. 2026-08-12 13:48 UTCEPSS rescore
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  21. 2026-07-23 02:05 UTCEG score recompute▲ 0.10
  22. 2026-07-22 22:52 UTCEG score recompute
  23. 2026-07-22 14:06 UTCEPSS rescore
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  27. 2026-07-17 20:29 UTCOSV refresh
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  43. 2026-07-02 16:57 UTCEPSS rescore
  44. 2026-07-01 15:04 UTCEPSS rescore
  45. 2026-06-29 18:32 UTCOSV refresh
  46. 2026-06-28 14:05 UTCEPSS rescore
  47. 2026-06-28 04:54 UTCEPSS rescore
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  49. 2026-06-27 03:06 UTCEPSS rescore
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  51. 2026-06-25 13:48 UTCEPSS rescore
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  66. 2026-06-12 07:06 UTCOSV refresh
  67. 2026-06-11 13:58 UTCEPSS rescore
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  75. 2026-06-05 06:09 UTCEPSS rescore

Publicly available exploits

(2 references)

Working exploit code is in the public domain (1 GitHub PoC) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCBKreisel/CVE-2021-45010
    First seen Dec 20, 2022

    🐍 Python Exploit for CVE-2021-45010

    Open source ↗
  • Exploit-DBEDB-50828
    First seen Mar 16, 2022

    Tiny File Manager 2.4.6 - Remote Code Execution (RCE)

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2021-45010?
CVE-2021-45010 is a high vulnerability published on March 15, 2022. A path traversal vulnerability in the file upload functionality in tinyfilemanager.php in Tiny File Manager before 2.4.7 allows remote attackers (with valid user accounts) to upload malicious PHP files to the webroot, leading to code execution.
When was CVE-2021-45010 disclosed?
CVE-2021-45010 was first published in the National Vulnerability Database on March 15, 2022, with the most recent update on December 31, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2021-45010 actively exploited?
CVE-2021-45010 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 70% probability of exploitation in the next 30 days, which ranks it in the top 0.6% of all scored CVEs.
What is the CVSS score of CVE-2021-45010?
CVE-2021-45010 has a CVSS v3 base score of 8.8 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 8.9.
How do I remediate CVE-2021-45010?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-45010, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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