CVE-2020-6514

MEDIUMNVD 6.56.5Elevated

6.5

Inappropriate implementation in WebRTC in Google Chrome prior to 84.0.4147.89 allowed an attacker in a privileged network position to potentially exploit heap corruption via a crafted SCTP stream.

CVSS v3: 6.5
EG Score: 6.5(low)
EPSS: 93.4%
KEV: Not listed

Published

July 22, 2020

Last Modified

November 21, 2024

References (54)

chrome-cve-admin@googlehttp://lists.opensuse.org/opensuse-security-announce/2020-07/msg00069.html
chrome-cve-admin@googlehttp://lists.opensuse.org/opensuse-security-announce/2020-08/msg00007.html
chrome-cve-admin@googlehttp://lists.opensuse.org/opensuse-security-announce/2020-08/msg00008.html
chrome-cve-admin@googlehttp://lists.opensuse.org/opensuse-security-announce/2020-08/msg00011.html
chrome-cve-admin@googlehttp://lists.opensuse.org/opensuse-security-announce/2020-08/msg00018.html
chrome-cve-admin@googlehttp://lists.opensuse.org/opensuse-security-announce/2020-08/msg00022.html
chrome-cve-admin@googlehttp://lists.opensuse.org/opensuse-security-announce/2020-08/msg00025.html
chrome-cve-admin@googlehttp://lists.opensuse.org/opensuse-security-announce/2020-08/msg00032.html
chrome-cve-admin@googlehttp://lists.opensuse.org/opensuse-security-announce/2020-09/msg00041.html
chrome-cve-admin@googlehttp://packetstormsecurity.com/files/158697/WebRTC-usrsctp-Incorrect-Call.html
chrome-cve-admin@googlehttps://chromereleases.googleblog.com/2020/07/stable-channel-update-for-desktop.html
chrome-cve-admin@googlehttps://crbug.com/1076703
chrome-cve-admin@googlehttps://lists.debian.org/debian-lts-announce/2020/07/msg00027.html
chrome-cve-admin@googlehttps://lists.debian.org/debian-lts-announce/2020/08/msg00006.html
chrome-cve-admin@googlehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MTRPPTKZ2RKVH2XGQCWNFZ7FOGQ5LLCA/

Patch Availability(12)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
ubuntu	firefox-mozsymbols (79.0+build1-0ubuntu0.16.04.2) @ xenial	2026-05-23	ubuntu
redhat	chromium-browser-0:84.0.4147.105-2.el6_10	2020-08-10	redhat
redhat	thunderbird-0:68.11.0-1.el6_10	2020-08-06	redhat
redhat	thunderbird-0:68.11.0-1.el8_0	2020-08-06	redhat
redhat	thunderbird-0:68.11.0-1.el7_8	2020-08-06	redhat
redhat	thunderbird-0:68.11.0-1.el8_1	2020-08-06	redhat
redhat	thunderbird-0:68.11.0-1.el8_2	2020-08-06	redhat
redhat	firefox-0:68.11.0-1.el8_2	2020-07-30	redhat
redhat	firefox-0:68.11.0-1.el7_8	2020-07-30	redhat
redhat	firefox-0:68.11.0-1.el8_1	2020-07-30	redhat
redhat	firefox-0:68.11.0-1.el6_10	2020-07-29	redhat
redhat	firefox-0:68.11.0-1.el8_0	2020-07-29	redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

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

CWE-200Exposure of Sensitive Information to an Unauthorized Actor

All Vendor Advisories

(12)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 14× in last 7d / 20× 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.

2026-06-07 15:23 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-07 10:29 UTCOSV refresh
2026-06-06 13:46 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 00:15 UTCEPSS rescore
2026-05-31 00:15 UTCEPSS rescore
2026-05-29 13:42 UTCEPSS rescore
2026-05-28 13:43 UTCEPSS rescore

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

GitHub PoChasan-khalil/CVE-2020-6514
First seen Aug 9, 2020
Open source ↗

Frequently asked(5)

What is CVE-2020-6514?

CVE-2020-6514 is a medium vulnerability published on July 22, 2020. Inappropriate implementation in WebRTC in Google Chrome prior to 84.0.4147.89 allowed an attacker in a privileged network position to potentially exploit heap corruption via a crafted SCTP stream.

When was CVE-2020-6514 disclosed?

CVE-2020-6514 was first published in the National Vulnerability Database on July 22, 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-2020-6514 actively exploited?

CVE-2020-6514 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 93.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2020-6514?

CVE-2020-6514 has a CVSS v3 base score of 6.5 (NVD). The EG score is currently aggregating — additional source signals are being incorporated as they become available..

How do I remediate CVE-2020-6514?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2020-6514, 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.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2020-6514

Explore →

Is Your Infrastructure Affected by CVE-2020-6514?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2020-6514

Published

Last Modified

References (54)

Patch Availability(12)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Publicly available exploits

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-6514?

CVE-2020-6514

Published

Last Modified

References (54)

Patch Availability(12)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Publicly available exploits

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-6514?

Same vendor

Same CWE

CVE-2020-6514

📅 Published

🔄 Last Modified

🔗 References (54)

Patch Availability(12)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-6514?

CVE-2020-6514

📅 Published

🔄 Last Modified

🔗 References (54)

Patch Availability(12)

Weakness Classification(1)

All Vendor Advisories

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2020-6514?

🔗 Related CVEs(same vendor + same CWE)

Same vendor

Same CWE

Published

Last Modified

References (54)

Frequently asked(5)

Published

Last Modified

References (54)

Frequently asked(5)

Related CVEs(same vendor + same CWE)