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Vulnerability details: VCID-qncc-mm1j-u7aq
Vulnerability ID VCID-qncc-mm1j-u7aq
Aliases CVE-2020-16044
Summary A malicious peer could have modified a COOKIE-ECHO chunk in a SCTP packet in a way that potentially resulted in a use-after-free. We presume that with enough effort it could have been exploited to run arbitrary code.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-787 Out-of-bounds Write
CWE-416 Use After Free
System Score Found at
cvssv3 8.8 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-16044.json
epss 0.00379 https://api.first.org/data/v1/epss?cve=CVE-2020-16044
epss 0.00379 https://api.first.org/data/v1/epss?cve=CVE-2020-16044
epss 0.00379 https://api.first.org/data/v1/epss?cve=CVE-2020-16044
epss 0.00379 https://api.first.org/data/v1/epss?cve=CVE-2020-16044
epss 0.00379 https://api.first.org/data/v1/epss?cve=CVE-2020-16044
epss 0.00379 https://api.first.org/data/v1/epss?cve=CVE-2020-16044
epss 0.00379 https://api.first.org/data/v1/epss?cve=CVE-2020-16044
epss 0.00379 https://api.first.org/data/v1/epss?cve=CVE-2020-16044
epss 0.00379 https://api.first.org/data/v1/epss?cve=CVE-2020-16044
epss 0.00379 https://api.first.org/data/v1/epss?cve=CVE-2020-16044
epss 0.00379 https://api.first.org/data/v1/epss?cve=CVE-2020-16044
epss 0.00379 https://api.first.org/data/v1/epss?cve=CVE-2020-16044
epss 0.00379 https://api.first.org/data/v1/epss?cve=CVE-2020-16044
epss 0.00379 https://api.first.org/data/v1/epss?cve=CVE-2020-16044
epss 0.00379 https://api.first.org/data/v1/epss?cve=CVE-2020-16044
epss 0.00379 https://api.first.org/data/v1/epss?cve=CVE-2020-16044
epss 0.00379 https://api.first.org/data/v1/epss?cve=CVE-2020-16044
cvssv3.1 7.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 6.8 https://nvd.nist.gov/vuln/detail/CVE-2020-16044
cvssv3.1 8.8 https://nvd.nist.gov/vuln/detail/CVE-2020-16044
archlinux Critical https://security.archlinux.org/AVG-1413
archlinux Critical https://security.archlinux.org/AVG-1440
archlinux Critical https://security.archlinux.org/AVG-1477
archlinux Critical https://security.archlinux.org/AVG-1478
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2021-01
generic_textual critical https://www.mozilla.org/en-US/security/advisories/mfsa2021-02
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-16044.json
https://api.first.org/data/v1/epss?cve=CVE-2020-16044
https://chromereleases.googleblog.com/2021/01/stable-channel-update-for-desktop_19.html
https://crbug.com/1163228
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15685
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-16044
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26976
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21117
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21118
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21119
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21120
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21121
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21122
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21123
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21124
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21125
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21126
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21127
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21128
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21129
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21130
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21131
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21132
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21133
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21134
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21135
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21136
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21137
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21138
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21139
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21140
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21141
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21142
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21143
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21144
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21145
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21146
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21147
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23953
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23954
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23960
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23964
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
1913503 https://bugzilla.redhat.com/show_bug.cgi?id=1913503
ASA-202101-17 https://security.archlinux.org/ASA-202101-17
ASA-202101-5 https://security.archlinux.org/ASA-202101-5
ASA-202102-4 https://security.archlinux.org/ASA-202102-4
AVG-1413 https://security.archlinux.org/AVG-1413
AVG-1440 https://security.archlinux.org/AVG-1440
AVG-1477 https://security.archlinux.org/AVG-1477
AVG-1478 https://security.archlinux.org/AVG-1478
cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
CVE-2020-16044 https://nvd.nist.gov/vuln/detail/CVE-2020-16044
mfsa2021-01 https://www.mozilla.org/en-US/security/advisories/mfsa2021-01
mfsa2021-02 https://www.mozilla.org/en-US/security/advisories/mfsa2021-02
RHSA-2021:0052 https://access.redhat.com/errata/RHSA-2021:0052
RHSA-2021:0053 https://access.redhat.com/errata/RHSA-2021:0053
RHSA-2021:0054 https://access.redhat.com/errata/RHSA-2021:0054
RHSA-2021:0055 https://access.redhat.com/errata/RHSA-2021:0055
RHSA-2021:0087 https://access.redhat.com/errata/RHSA-2021:0087
RHSA-2021:0088 https://access.redhat.com/errata/RHSA-2021:0088
RHSA-2021:0089 https://access.redhat.com/errata/RHSA-2021:0089
RHSA-2021:0160 https://access.redhat.com/errata/RHSA-2021:0160
USN-4687-1 https://usn.ubuntu.com/4687-1/
USN-4701-1 https://usn.ubuntu.com/4701-1/
No exploits are available.
Vector: CVSS:3.0/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-2020-16044.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
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2020-16044
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2020-16044
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 0.58648
EPSS Score 0.00379
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:09:48.167636+00:00 Mozilla Importer Import https://github.com/mozilla/foundation-security-advisories/blob/master/announce/2021/mfsa2021-02.yml 37.0.0