CVE-2020-7373

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 46.0%, 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
Elevated
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 45%CVSS: 9.8Exploit: Elevated riskExposed: 0

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

vBulletin 5.5.4 through 5.6.2 allows remote command execution via crafted subWidgets data in an ajax/render/widget_tabbedcontainer_tab_panel request. NOTE: this issue exists because of an incomplete fix for CVE-2019-16759. ALSO NOTE: CVE-2020-7373 is a duplicate of CVE-2020-17496. CVE-2020-17496 is the preferred CVE ID to track this vulnerability.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
67(Track*)
EG Risk 67/100SSVC: 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
Severity98% × 45%
Exploitation46% × 40%
Automatability30% × 15%
Action: Watch closely — could escalate to Attend.
EPSS PROB
45%
EPSS %ILE
99%
KEV
Not listed

Published

October 30, 2020

Last Modified

November 21, 2024

Advisory Details (3)

Auto-updated Sep 19, 2026
🔬 Proof of concept available. Upstream fix merged — awaiting tagged release. Sources: github_pr.
generic

Full Disclosure: Remote Code Execution 0day in vBulletin 5.x

https://seclists.org/fulldisclosure/2020/Aug/5
github_pr

Vbulletin widget template rce

Fix merged in rapid7/metasploit-framework PR #13970 on 2020-08-12 — awaiting tagged release

https://github.com/rapid7/metasploit-framework/pull/13970
generic🟡 PoC Available

Exploitee.rs » Blog Archive » Exploiting vBulletin: “A Tale of a Patch Fail”

https://blog.exploitee.rs/2020/exploiting-vbulletin-a-tale-of-patch-fail/

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 6× in last 7d / 19× 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 104 total refreshes for this CVE.

  1. 2026-09-19 15:37 UTCEPSS rescore
  2. 2026-09-18 19:23 UTCEPSS rescore
  3. 2026-09-17 19:22 UTCEPSS rescore
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  1. 2026-08-13 21:57 UTCEPSS rescore
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  15. 2026-07-23 01:54 UTCEG score recompute
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  24. 2026-07-18 10:02 UTCEPSS rescore
  25. 2026-07-16 17:00 UTCEPSS rescore
  26. 2026-07-15 16:55 UTCEPSS rescore
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  50. 2026-06-24 14:03 UTCEPSS rescore
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  70. 2026-06-01 13:50 UTCEPSS rescore
  71. 2026-05-31 22:29 UTCEPSS rescore
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  73. 2026-05-31 00:15 UTCEPSS rescore
  74. 2026-05-31 00:15 UTCEPSS rescore
  75. 2026-05-29 13:42 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2020-7373?
CVE-2020-7373 is a critical vulnerability published on October 30, 2020. vBulletin 5.5.4 through 5.6.2 allows remote command execution via crafted subWidgets data in an ajax/render/widgettabbedcontainertab_panel request. NOTE: this issue exists because of an incomplete fix for CVE-2019-16759. ALSO NOTE: CVE-2020-7373 is a duplicate of CVE-2020-17496. CVE-2020-17496 is…
When was CVE-2020-7373 disclosed?
CVE-2020-7373 was first published in the National Vulnerability Database on October 30, 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-2020-7373 actively exploited?
CVE-2020-7373 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 45% probability of exploitation in the next 30 days, which ranks it in the top 1.3% of all scored CVEs.
What is the CVSS score of CVE-2020-7373?
CVE-2020-7373 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2020-7373?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-7373, 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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