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Vulnerability details: VCID-y8vr-48q8-a3aj
Vulnerability ID VCID-y8vr-48q8-a3aj
Aliases CVE-2020-6800
Summary Multiple vulnerabilities have been found in Mozilla Thunderbird, the worst of which could result in the arbitrary execution of code.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
System Score Found at
cvssv3 8.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-6800.json
epss 0.0125 https://api.first.org/data/v1/epss?cve=CVE-2020-6800
epss 0.0125 https://api.first.org/data/v1/epss?cve=CVE-2020-6800
epss 0.0125 https://api.first.org/data/v1/epss?cve=CVE-2020-6800
epss 0.0125 https://api.first.org/data/v1/epss?cve=CVE-2020-6800
epss 0.0125 https://api.first.org/data/v1/epss?cve=CVE-2020-6800
epss 0.0125 https://api.first.org/data/v1/epss?cve=CVE-2020-6800
epss 0.0125 https://api.first.org/data/v1/epss?cve=CVE-2020-6800
epss 0.0125 https://api.first.org/data/v1/epss?cve=CVE-2020-6800
epss 0.0125 https://api.first.org/data/v1/epss?cve=CVE-2020-6800
cvssv3.1 7.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
archlinux Critical https://security.archlinux.org/AVG-1096
archlinux Critical https://security.archlinux.org/AVG-1099
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2020-05
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2020-06
generic_textual none https://www.mozilla.org/en-US/security/advisories/mfsa2020-07
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-6800.json
https://api.first.org/data/v1/epss?cve=CVE-2020-6800
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6792
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6793
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6794
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6795
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6796
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6798
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6800
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
1801920 https://bugzilla.redhat.com/show_bug.cgi?id=1801920
ASA-202002-5 https://security.archlinux.org/ASA-202002-5
ASA-202002-9 https://security.archlinux.org/ASA-202002-9
AVG-1096 https://security.archlinux.org/AVG-1096
AVG-1099 https://security.archlinux.org/AVG-1099
GLSA-202003-02 https://security.gentoo.org/glsa/202003-02
GLSA-202003-10 https://security.gentoo.org/glsa/202003-10
mfsa2020-05 https://www.mozilla.org/en-US/security/advisories/mfsa2020-05
mfsa2020-06 https://www.mozilla.org/en-US/security/advisories/mfsa2020-06
mfsa2020-07 https://www.mozilla.org/en-US/security/advisories/mfsa2020-07
RHSA-2020:0512 https://access.redhat.com/errata/RHSA-2020:0512
RHSA-2020:0519 https://access.redhat.com/errata/RHSA-2020:0519
RHSA-2020:0520 https://access.redhat.com/errata/RHSA-2020:0520
RHSA-2020:0521 https://access.redhat.com/errata/RHSA-2020:0521
RHSA-2020:0565 https://access.redhat.com/errata/RHSA-2020:0565
RHSA-2020:0574 https://access.redhat.com/errata/RHSA-2020:0574
RHSA-2020:0576 https://access.redhat.com/errata/RHSA-2020:0576
RHSA-2020:0577 https://access.redhat.com/errata/RHSA-2020:0577
USN-4278-1 https://usn.ubuntu.com/4278-1/
USN-4278-2 https://usn.ubuntu.com/4278-2/
USN-4328-1 https://usn.ubuntu.com/4328-1/
USN-4335-1 https://usn.ubuntu.com/4335-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-6800.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.79281
EPSS Score 0.0125
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T12:58:45.207743+00:00 Gentoo Importer Import https://security.gentoo.org/glsa/202003-10 38.0.0