CVE-2020-15188

CRITICALNVD 10.010.0—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 10.0 under NVD CVSS v3. EPSS exploit probability: 5.1%, top 9% 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
10.0
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 5%CVSS: 10.0Exploit: NoneExposed: 0

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

SOY CMS 3.0.2.327 and earlier is affected by Unauthenticated Remote Code Execution (RCE). The allows remote attackers to execute any arbitrary code when the inquiry form feature is enabled by the service. The vulnerability is caused by unserializing the form without any restrictions. This was fixed in 3.0.2.328.

CVSS v3
10.0
EG Score
10.0(medium)
EG Risk
52(Track)
EG Risk 52/100SSVC: 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
Severity100% × 45%
Exploitation5% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
91.5%
KEV
Not listed

Published

September 18, 2020

Last Modified

November 21, 2024

Advisory Details (4)

Auto-updated Jul 18, 2026
Patch available. Sources: github_pr, github.
generic
https://www.youtube.com/watch?v=zAE4Swjc-GU&feature=youtu.be
github Patch Available

Unauthenticated Remote Code Execution (RCE) in SOY CMS · Advisory · inunosinsi/soycms · GitHub

Affected: 3.0.2.328.

https://github.com/inunosinsi/soycms/security/advisories/GHSA-hrrx-m22r-p9jp
github_pr

Fix RCE: Change serialize/unserialize to json encode/decode

Fix merged in inunosinsi/soycms PR #12 on 2020-09-16 — awaiting tagged release

https://github.com/inunosinsi/soycms/pull/12/commits/a75642989132dd25f74a13194b27c0986c3de020
generic

Unauthenticated Remote Code Execution (RCE) in SoyCMS · Issue #10 · inunosinsi/soycms · GitHub

https://github.com/inunosinsi/soycms/issues/10

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 13× in last 7d / 42× 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. 2026-07-23 14:15 UTCEPSS rescore
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  3. 2026-07-23 01:49 UTCEG score recompute
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  67. 2026-05-23 07:33 UTCEG score recompute

Frequently asked(5)

What is CVE-2020-15188?
CVE-2020-15188 is a critical vulnerability published on September 18, 2020. SOY CMS 3.0.2.327 and earlier is affected by Unauthenticated Remote Code Execution (RCE). The allows remote attackers to execute any arbitrary code when the inquiry form feature is enabled by the service. The vulnerability is caused by unserializing the form without any restrictions. This was fixed…
When was CVE-2020-15188 disclosed?
CVE-2020-15188 was first published in the National Vulnerability Database on September 18, 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-2020-15188 actively exploited?
CVE-2020-15188 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 91.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2020-15188?
CVE-2020-15188 has a CVSS v3 base score of 10.0 (NVD).
How do I remediate CVE-2020-15188?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-15188, 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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