CVE-2020-9526

MEDIUMNVD 5.95.9—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 5.9 under NVD CVSS v3. EPSS exploit probability: 0.1%, top 65% 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
5.9
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 5.9Exploit: NoneExposed: 0

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

CS2 Network P2P through 3.x, as used in millions of Internet of Things devices, suffers from an information exposure flaw that exposes user session data to supernodes in the network, as demonstrated by passively eavesdropping on user video/audio streams, capturing credentials, and compromising devices.

CVSS v3
5.9
EG Score
5.9(medium)
EPSS
45.0%
KEV
Not listed

Published

August 10, 2020

Last Modified

November 21, 2024

References (4)

Weakness Classification(3)

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. 2026-07-21 15:22 UTCEPSS rescore
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  68. 2026-05-27 00:28 UTCEG score recompute
  69. 2026-05-27 00:28 UTCGHSA enrichment
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Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2020-9526?
CVE-2020-9526 is a medium vulnerability published on August 10, 2020. CS2 Network P2P through 3.x, as used in millions of Internet of Things devices, suffers from an information exposure flaw that exposes user session data to supernodes in the network, as demonstrated by passively eavesdropping on user video/audio streams, capturing credentials, and compromising…
When was CVE-2020-9526 disclosed?
CVE-2020-9526 was first published in the National Vulnerability Database on August 10, 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-2020-9526 actively exploited?
CVE-2020-9526 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 45.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2020-9526?
CVE-2020-9526 has a CVSS v3 base score of 5.9 (NVD).
How do I remediate CVE-2020-9526?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-9526, 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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