CVE-2020-6514 json
Inappropriate implementation in WebRTC in Google Chrome prior to 84.0.4147.89 allowed an attacker in a privileged network position to poten…
published 2020-07-22 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-27663
- cvss
- 6.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 7.8%
- EPSS 7.8% chance of exploitation in 30 days, percentile 94%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- Google Chrome 84.0.4147.89
- chromium Debian 14, Debian 13, Debian 12 87.0.4280.88-0.1
- firefox-esr Debian 14, Debian 13, Debian 12 68.11.0esr-1
- thunderbird Debian 14, Debian 13, Debian 12 1:68.11.0-1
debian advisories DEBIAN-CVE-2020-6514
- firefox Ubuntu 16.04 LTS 79.0+build1-0ubuntu0.16.04.2
- firefox Ubuntu 18.04 LTS 79.0+build1-0ubuntu0.18.04.1
- firefox Ubuntu 20.04 LTS 79.0+build1-0ubuntu0.20.04.1
- thunderbird Ubuntu 18.04 LTS 1:78.8.1+build1-0ubuntu0.18.04.1
- thunderbird Ubuntu 20.04 LTS 1:78.7.1+build1-0ubuntu0.20.04.1
- chromium-browser Ubuntu 16.04 LTS 84.0.4147.105-0ubuntu0.16.04.1
- chromium-browser Ubuntu 18.04 LTS 84.0.4147.105-0ubuntu0.18.04.1
ubuntu advisories UBUNTU-CVE-2020-6514
Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
- thunderbird RHEL 6 68.11.0-1.el6_10
- thunderbird RHEL 7 68.11.0-1.el7_8
- thunderbird RHEL 8 68.11.0-1.el8_2
- firefox RHEL 7 68.11.0-1.el7_8
- firefox RHEL 8 68.11.0-1.el8_2
- firefox RHEL 6 68.11.0-1.el6_10
- chromium-browser RHEL 6 EXTRAS 84.0.4147.105-2.el6_10
- thunderbird RHEL 8.1 EUS 68.11.0-1.el8_1
red hat advisories RHSA-2020:3345RHSA-2020:3344RHSA-2020:3341RHSA-2020:3342RHSA-2020:3343RHSA-2020:3254
- MozillaThunderbird SLE Workstation Extension 15 SP2, SLE Workstation Extension 15 SP1 68.11.0-3.91.1
- MozillaFirefox SLE Module for Desktop Applications 15 SP2 78.1.0-8.3.1
- pipewire SLE Module for Desktop Applications 15 SP2 0.3.6-3.3.2
- MozillaFirefox-branding-SLE SLE Module for Desktop Applications 15 SP2 78-9.2.4
- MozillaFirefox SLE Module for Desktop Applications 15 SP1 78.1.0-3.100.2
- MozillaFirefox SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES for SAP 12 SP3 +15 more 78.1.0-112.8.1
- MozillaFirefox SLES 11 SP4-LTSS 78.1.0-78.87.1
suse advisories SUSE-SU-2020:14456-1SUSE-SU-2020:2179-1SUSE-SU-2020:2147-1SUSE-SU-2020:2118-1SUSE-SU-2020:2100-1
- firefox-esr openSUSE Tumbleweed 128.5.1-1.1
- MozillaFirefox openSUSE Tumbleweed 92.0-1.2
- MozillaThunderbird openSUSE Tumbleweed 91.1.1-1.1
- chromium openSUSE Tumbleweed 93.0.4577.82-1.1
- chromium openSUSE Tumbleweed 113.0.5672.92-1.1
- MozillaThunderbird openSUSE Leap 15.2 68.11.0-lp152.2.7.1
- MozillaFirefox openSUSE Leap 15.2 78.1.0-lp152.2.15.1
- pipewire openSUSE Leap 15.2 0.3.6-lp152.2.3.1
opensuse advisories openSUSE-SU-2024:14572-1openSUSE-SU-2024:10600-1openSUSE-SU-2024:10601-1openSUSE-SU-2024:10681-1openSUSE-SU-2024:12948-1openSUSE-SU-2020:1205-1
- firefox Alpine 3.23, Alpine 3.22, Alpine 3.21 +9 more 79.0-r0
- mozjs68 Alpine 3.12 68.11.0-r0
- librewolf Alpine 3.24, Alpine 3.23, Alpine 3.22 +1 more 79.0-r0
- firefox-esr Alpine 3.11 68.11.0-r0
- firefox-esr Alpine 3.23, Alpine 3.22, Alpine 3.21 +9 more 78.1.0-r0
alpine advisories ALPINE-CVE-2020-6514
Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2020-6514 updated cvss 6.5
chromium-browser: Inappropriate implementation in WebRTC
-
Red Hat Enterprise Linux 5 firefox, thunderbirdaffected: no fix planned “Out of support scope”
-
Red Hat Enterprise Linux AppStream (v. 8) firefox 68.11.0-1.el8_2, thunderbird 68.11.0-1.el8_2fixed: vendor fix RHSA-2020:3241
-
Red Hat Enterprise Linux AppStream E4S (v. 8.0) firefox 68.11.0-1.el8_0, thunderbird 68.11.0-1.el8_0fixed: vendor fix RHSA-2020:3229
-
Red Hat Enterprise Linux AppStream EUS (v. 8.1) firefox 68.11.0-1.el8_1, thunderbird 68.11.0-1.el8_1fixed: vendor fix RHSA-2020:3254
-
Red Hat Enterprise Linux Client (v. 7) firefox 68.11.0-1.el7_8, thunderbird 68.11.0-1.el7_8 Red Hat Enterprise Linux Client Optional (v. 7) firefox 68.11.0-1.el7_8fixed: vendor fix RHSA-2020:3253
-
Red Hat Enterprise Linux Desktop (v. 6) firefox 68.11.0-1.el6_10, thunderbird 68.11.0-1.el6_10 Red Hat Enterprise Linux Desktop Optional (v. 6) firefox 68.11.0-1.el6_10fixed: vendor fix RHSA-2020:3233
-
Red Hat Enterprise Linux Desktop Supplementary (v. 6) chromium-browser 84.0.4147.105-2.el6_10fixed: vendor fix RHSA-2020:3377
-
Red Hat Enterprise Linux HPC Node Optional (v. 6) firefox 68.11.0-1.el6_10fixed: vendor fix RHSA-2020:3233
show 11 moreshow fewer
-
Red Hat Enterprise Linux HPC Node Supplementary (v. 6) chromium-browser 84.0.4147.105-2.el6_10fixed: vendor fix RHSA-2020:3377
-
Red Hat Enterprise Linux Server (v. 6) firefox 68.11.0-1.el6_10fixed: vendor fix RHSA-2020:3233
-
Red Hat Enterprise Linux Server (v. 7) firefox 68.11.0-1.el7_8fixed: vendor fix RHSA-2020:3253
-
Red Hat Enterprise Linux Server Optional (v. 6) firefox 68.11.0-1.el6_10, thunderbird 68.11.0-1.el6_10fixed: vendor fix RHSA-2020:3233
-
Red Hat Enterprise Linux Server Optional (v. 7) firefox 68.11.0-1.el7_8, thunderbird 68.11.0-1.el7_8fixed: vendor fix RHSA-2020:3253
-
Red Hat Enterprise Linux Server Supplementary (v. 6) chromium-browser 84.0.4147.105-2.el6_10fixed: vendor fix RHSA-2020:3377
-
Red Hat Enterprise Linux Workstation (v. 6) firefox 68.11.0-1.el6_10, thunderbird 68.11.0-1.el6_10fixed: vendor fix RHSA-2020:3233
-
Red Hat Enterprise Linux Workstation (v. 7) firefox 68.11.0-1.el7_8, thunderbird 68.11.0-1.el7_8fixed: vendor fix RHSA-2020:3253
-
Red Hat Enterprise Linux Workstation Optional (v. 6) firefox 68.11.0-1.el6_10fixed: vendor fix RHSA-2020:3233
-
Red Hat Enterprise Linux Workstation Optional (v. 7) firefox 68.11.0-1.el7_8fixed: vendor fix RHSA-2020:3253
-
Red Hat Enterprise Linux Workstation Supplementary (v. 6) chromium-browser 84.0.4147.105-2.el6_10fixed: vendor fix RHSA-2020:3377
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
7.79% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- crbug.com https://crbug.com/1076703 referenced PoC, tagged "exploit" by a source, unverified
- packetstormsecurity.com http://packetstormsecurity.com/files/158697/WebRTC-usrsctp-Incorrect-Call.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Affected products
- Google Chrome
Classification
- Weakness
-
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
- Technology feeds
References
-
crbug.com
/1076703
exploit, issue-tracking, vendor-advisory
-
packetstormsecurity.com
/files/158697/WebRTC-usrsctp-Incorrect-Call.html
exploit, third-party-advisory, vdb-entry
-
lists.opensuse.org
/opensuse-security-announce/2020-07/msg00069.html
vendor-advisory, mailing-list, third-party-advisory
-
security.gentoo.org
/glsa/202007-08
vendor-advisory, third-party-advisory
-
debian.org
/security/2020/dsa-4736
vendor-advisory, third-party-advisory
-
lists.fedoraproject.org
/archives/list/package-announce%40lists.fedoraproject.org/message/MTRPPTKZ2RKVH2XGQCWNFZ7FOGQ5LLCA/
vendor-advisory
-
security.gentoo.org
/glsa/202007-64
vendor-advisory, third-party-advisory
-
lists.fedoraproject.org
/archives/list/package-announce%40lists.fedoraproject.org/message/MYIDWCHG24ZTFD4P42D4A4WWPPA74BCG/
vendor-advisory
-
debian.org
/security/2020/dsa-4740
vendor-advisory, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2020-08/msg00008.html
vendor-advisory, mailing-list, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2020-08/msg00007.html
vendor-advisory, mailing-list, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2020-08/msg00011.html
vendor-advisory, mailing-list, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2020-08/msg00018.html
vendor-advisory, mailing-list, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2020-08/msg00022.html
vendor-advisory, mailing-list, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2020-08/msg00025.html
vendor-advisory, mailing-list, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2020-08/msg00032.html
vendor-advisory, mailing-list, third-party-advisory
-
usn.ubuntu.com
/4443-1/
vendor-advisory, third-party-advisory
-
lists.opensuse.org
/opensuse-security-announce/2020-09/msg00041.html
vendor-advisory, mailing-list, third-party-advisory
-
debian.org
/security/2021/dsa-4824
vendor-advisory, third-party-advisory
-
security.gentoo.org
/glsa/202101-30
vendor-advisory, third-party-advisory
-
chromereleases.googleblog.com
/2020/07/stable-channel-update-for-desktop.html
release-notes, vendor-advisory
-
support.apple.com
/kb/HT211288
third-party-advisory
-
support.apple.com
/kb/HT211290
third-party-advisory
-
support.apple.com
/kb/HT211291
third-party-advisory
-
support.apple.com
/kb/HT211292
third-party-advisory
-
lists.debian.org
/debian-lts-announce/2020/07/msg00027.html
mailing-list, third-party-advisory
-
lists.debian.org
/debian-lts-announce/2020/08/msg00006.html
mailing-list, third-party-advisory
Sources
- CVE List CVE-2020-6514
- NVD CVE-2020-6514
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.