CVE-2013-3591

HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.8 under NVD CVSS v3. EPSS exploit probability: 43.1%, top 1% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Weaponized
8.8EG
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • Public exploit code is available (Metasploit, Exploit-DB (verified), epss top5pct, public exploit)
CISA-KEV: Not listedEPSS PROB: 43%CVSS: 8.8Exploit: Metasploit · Exploit-DB (verified) · epss top5pct · public exploitExposed: 0

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

vTiger CRM 5.3 and 5.4: 'files' Upload Folder Arbitrary PHP Code Execution Vulnerability

CVSS v3
8.8
EG Score
8.8(medium)
EG Risk
70(Track)
EG Risk 70/100SSVC: 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
Severity88% × 45%
Exploitation65% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
43%
EPSS %ILE
99%
KEV
Not listed

Published

February 7, 2020

Last Modified

November 21, 2024

References (8)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 10× in last 7d / 29× 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.

  1. 2026-07-25 14:12 UTCEPSS rescore
  2. 2026-07-23 14:14 UTCEPSS rescore
  3. 2026-07-23 01:10 UTCEG score recompute
  4. 2026-07-23 00:13 UTCEG score recompute
  5. 2026-07-22 21:52 UTCEG score recompute
  6. 2026-07-22 14:04 UTCEPSS rescore
  7. 2026-07-22 14:04 UTCEPSS rescore
  8. 2026-07-21 15:21 UTCEPSS rescore
  9. 2026-07-20 17:03 UTCEPSS rescore
  10. 2026-07-20 17:03 UTCEPSS rescore
  11. 2026-07-19 14:27 UTCEPSS rescore
  12. 2026-07-19 14:27 UTCEPSS rescore
  13. 2026-07-19 02:25 UTCEPSS rescore
  14. 2026-07-19 02:25 UTCEPSS rescore
  15. 2026-07-18 10:00 UTCEPSS rescore
  16. 2026-07-16 16:58 UTCEPSS rescore
  17. 2026-07-15 16:54 UTCEPSS rescore
  18. 2026-07-15 16:54 UTCEPSS rescore
  19. 2026-07-13 22:26 UTCEPSS rescore
  20. 2026-07-13 06:08 UTCEPSS rescore
  21. 2026-07-11 08:23 UTCEPSS rescore
  22. 2026-07-09 19:05 UTCEPSS rescore
  23. 2026-07-08 15:10 UTCEPSS rescore
  24. 2026-07-05 02:26 UTCEPSS rescore
  25. 2026-07-04 06:27 UTCEPSS rescore
Show 41 more
  1. 2026-07-01 15:02 UTCEPSS rescore
  2. 2026-06-28 14:03 UTCEPSS rescore
  3. 2026-06-28 04:53 UTCEPSS rescore
  4. 2026-06-28 04:53 UTCEPSS rescore
  5. 2026-06-25 13:46 UTCEPSS rescore
  6. 2026-06-23 21:30 UTCEPSS rescore
  7. 2026-06-22 14:22 UTCEPSS rescore
  8. 2026-06-22 14:22 UTCEPSS rescore
  9. 2026-06-21 14:53 UTCEPSS rescore
  10. 2026-06-21 01:57 UTCEPSS rescore
  11. 2026-06-21 01:56 UTCEPSS rescore
  12. 2026-06-19 19:23 UTCEPSS rescore
  13. 2026-06-19 19:22 UTCEPSS rescore
  14. 2026-06-18 17:49 UTCEPSS rescore
  15. 2026-06-18 17:49 UTCEPSS rescore
  16. 2026-06-17 17:49 UTCEPSS rescore
  17. 2026-06-17 17:49 UTCEPSS rescore
  18. 2026-06-16 17:49 UTCEPSS rescore
  19. 2026-06-16 17:49 UTCEPSS rescore
  20. 2026-06-15 17:44 UTCEPSS rescore
  21. 2026-06-13 22:57 UTCEPSS rescore
  22. 2026-06-12 23:08 UTCEPSS rescore
  23. 2026-06-11 13:56 UTCEPSS rescore
  24. 2026-06-10 13:18 UTCEPSS rescore
  25. 2026-06-08 14:14 UTCEPSS rescore
  26. 2026-06-07 15:22 UTCEPSS rescore
  27. 2026-06-05 22:44 UTCEPSS rescore
  28. 2026-06-05 22:44 UTCEPSS rescore
  29. 2026-06-05 06:08 UTCEPSS rescore
  30. 2026-06-05 06:08 UTCEPSS rescore
  31. 2026-06-01 13:49 UTCEPSS rescore
  32. 2026-06-01 13:49 UTCEPSS rescore
  33. 2026-05-31 00:14 UTCEPSS rescore
  34. 2026-05-31 00:14 UTCEPSS rescore
  35. 2026-05-28 13:42 UTCEPSS rescore
  36. 2026-05-28 13:42 UTCEPSS rescore
  37. 2026-05-28 13:42 UTCEPSS rescore
  38. 2026-05-27 13:38 UTCEPSS rescore
  39. 2026-05-27 13:38 UTCEPSS rescore
  40. 2026-05-27 08:08 UTCEG score recompute
  41. 2026-05-27 08:08 UTCGHSA enrichment

Publicly available exploits

(2 references)

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

  • Exploit-DBEDB-29319✓ verified
    First seen Oct 31, 2013

    vTiger CRM 5.3.0 5.4.0 - (Authenticated) Remote Code Execution (Metasploit)

    Open source ↗
  • Metasploitexploit/multi/http/vtiger_php_exec✓ verified
    First seen Oct 30, 2013

    vTigerCRM v5.4.0/v5.3.0 Authenticated Remote Code Execution

    Open source ↗

Frequently asked(5)

What is CVE-2013-3591?
CVE-2013-3591 is a high vulnerability published on February 7, 2020. vTiger CRM 5.3 and 5.4: 'files' Upload Folder Arbitrary PHP Code Execution Vulnerability
When was CVE-2013-3591 disclosed?
CVE-2013-3591 was first published in the National Vulnerability Database on February 7, 2020, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2013-3591 actively exploited?
CVE-2013-3591 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 43% probability of exploitation in the next 30 days, which ranks it in the top 1.4% of all scored CVEs.
What is the CVSS score of CVE-2013-3591?
CVE-2013-3591 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2013-3591?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2013-3591, 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.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2013-3591

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