CVE-2020-5297

LOWNVD 3.43.4—
EchelonGraph scoreMEDIUM confidence

This low-severity CVE scores 3.4 under NVD CVSS v3. EPSS exploit probability: 1.2%, top 36% 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
Trending — 3 sources updated this week
3.4
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 3.4Exploit: NoneExposed: 0

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

In OctoberCMS (october/october composer package) versions from 1.0.319 and before 1.0.466, an attacker can exploit this vulnerability to upload jpg, jpeg, bmp, png, webp, gif, ico, css, js, woff, woff2, svg, ttf, eot, json, md, less, sass, scss, xml files to any directory of an October CMS server. The vulnerability is only exploitable by an authenticated backend user with the cms.manage_assets permission. Issue has been patched in Build 466 (v1.0.466).

CVSS v3
3.4
EG Score
3.4(medium)
EG Risk
—
EPSS
64.4%
KEV
Not listed

Published

June 3, 2020

Last Modified

November 21, 2024

References (8)

Affected Packages

(1 across 1 ecosystem)
Packagist(1)
PackageVulnerable rangeFixed inDependents
october/cmsv1.0.319 ... v1.0.465 (147 versions)1.0.466—

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 13× in last 7d / 48× 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. 2026-07-22 22:40 UTCEG score recompute
  2. 2026-07-22 14:05 UTCEPSS rescore
  3. 2026-07-21 15:22 UTCEPSS rescore
  4. 2026-07-21 15:22 UTCEPSS rescore
  5. 2026-07-20 17:04 UTCEPSS rescore
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  7. 2026-07-19 14:28 UTCEPSS rescore
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  9. 2026-07-19 11:52 UTCOSV refresh
  10. 2026-07-19 02:26 UTCEPSS rescore
  11. 2026-07-19 02:26 UTCEPSS rescore
  12. 2026-07-18 10:02 UTCEPSS rescore
  13. 2026-07-16 17:00 UTCEPSS rescore
  14. 2026-07-15 16:55 UTCEPSS rescore
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  17. 2026-07-13 22:27 UTCEPSS rescore
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  21. 2026-07-11 08:25 UTCEPSS rescore
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  24. 2026-07-08 15:12 UTCEPSS rescore
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  1. 2026-07-06 16:25 UTCEPSS rescore
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  8. 2026-07-02 16:57 UTCEPSS rescore
  9. 2026-07-01 19:31 UTCOSV refresh
  10. 2026-07-01 15:03 UTCEPSS rescore
  11. 2026-06-30 23:20 UTCEPSS rescore
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  13. 2026-06-29 14:04 UTCEPSS rescore
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  18. 2026-06-25 13:48 UTCEPSS rescore
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  20. 2026-06-24 14:03 UTCEPSS rescore
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  22. 2026-06-23 21:31 UTCEPSS rescore
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  24. 2026-06-22 14:23 UTCEPSS rescore
  25. 2026-06-21 14:54 UTCEPSS rescore
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  27. 2026-06-21 01:57 UTCEPSS rescore
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  29. 2026-06-19 19:24 UTCEPSS rescore
  30. 2026-06-19 19:24 UTCEPSS rescore
  31. 2026-06-18 17:51 UTCEPSS rescore
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  35. 2026-06-15 17:46 UTCEPSS rescore
  36. 2026-06-14 23:15 UTCEPSS rescore
  37. 2026-06-14 01:43 UTCOSV refresh
  38. 2026-06-13 22:58 UTCEPSS rescore
  39. 2026-06-13 22:58 UTCEPSS rescore
  40. 2026-06-12 23:10 UTCEPSS rescore
  41. 2026-06-12 23:10 UTCEPSS rescore
  42. 2026-06-11 13:58 UTCEPSS rescore
  43. 2026-06-11 13:58 UTCEPSS rescore
  44. 2026-06-10 22:16 UTCEPSS rescore
  45. 2026-06-10 13:20 UTCEPSS rescore
  46. 2026-06-08 14:15 UTCEPSS rescore
  47. 2026-06-07 15:23 UTCEPSS rescore
  48. 2026-06-07 15:23 UTCEPSS rescore
  49. 2026-06-05 22:45 UTCEPSS rescore
  50. 2026-06-05 22:45 UTCEPSS rescore
  51. 2026-06-05 06:08 UTCEPSS rescore
  52. 2026-06-05 06:08 UTCEPSS rescore
  53. 2026-06-04 13:10 UTCEPSS rescore
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  55. 2026-06-02 20:11 UTCEPSS rescore
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  57. 2026-06-01 13:50 UTCEPSS rescore
  58. 2026-05-31 22:29 UTCEPSS rescore
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  60. 2026-05-31 00:15 UTCEPSS rescore
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  62. 2026-05-29 13:42 UTCEPSS rescore
  63. 2026-05-28 13:43 UTCEPSS rescore
  64. 2026-05-28 13:43 UTCEPSS rescore
  65. 2026-05-27 13:39 UTCEPSS rescore
  66. 2026-05-27 13:39 UTCEPSS rescore
  67. 2026-05-27 03:01 UTCEG score recompute
  68. 2026-05-26 13:42 UTCEPSS rescore
  69. 2026-05-26 13:42 UTCEPSS rescore
  70. 2026-05-26 07:17 UTCEPSS rescore
  71. 2026-05-26 07:17 UTCEPSS rescore
  72. 2026-05-25 21:46 UTCOSV refresh

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2020-5297?
CVE-2020-5297 is a low vulnerability published on June 3, 2020. In OctoberCMS (october/october composer package) versions from 1.0.319 and before 1.0.466, an attacker can exploit this vulnerability to upload jpg, jpeg, bmp, png, webp, gif, ico, css, js, woff, woff2, svg, ttf, eot, json, md, less, sass, scss, xml files to any directory of an October CMS server.…
When was CVE-2020-5297 disclosed?
CVE-2020-5297 was first published in the National Vulnerability Database on June 3, 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-2020-5297 actively exploited?
CVE-2020-5297 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 64.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2020-5297?
CVE-2020-5297 has a CVSS v3 base score of 3.4 (NVD).
How do I remediate CVE-2020-5297?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-5297, 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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