SyncBreeze 10.0.28 contains a denial of service vulnerability in the login endpoint that allows remote attackers to crash the service. Attackers can send an oversized payload in the login request to overwhelm the application and potentially disrupt service availability.
CVE-2020-36946
Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-01-27. NVD baseline CVSS 7.5; sources differ by 0.0.
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.5
- EG Score
- 7.5(medium)
- EG Risk
- 65(Attend)EG Risk 65/100SSVC: Attend
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 computedSeverity75% × 45%Exploitation40% × 40%Automatability100% × 15%Action: Remediate soon — notable exploitation risk. - EPSS
- 46.8%
- KEV
- Not listed
Published
January 27, 2026
Last Modified
March 24, 2026
References (4)
- disclosure@vulncheckhttp://www.syncbreeze.com
- disclosure@vulncheckhttps://www.exploit-db.com/exploits/49291
- disclosure@vulncheckhttps://www.vulncheck.com/advisories/syncbreeze-login-denial-of-service
- 134c704f-9b21-4f2e-91b3-4a467353bcc0https://www.exploit-db.com/exploits/49291
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 12× in last 7d / 43× 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.
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Frequently asked(5)
What is CVE-2020-36946?
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What is the CVSS score of CVE-2020-36946?
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Dependency Blast Radius
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