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Vulnerability details: VCID-pxn7-8b33-2ydf
Vulnerability ID VCID-pxn7-8b33-2ydf
Aliases CVE-2020-27843
Summary A flaw was found in OpenJPEG in versions prior to 2.4.0. This flaw allows an attacker to provide specially crafted input to the conversion or encoding functionality, causing an out-of-bounds read. The highest threat from this vulnerability is system availability.
Status Published
Exploitability 0.5
Weighted Severity 6.4
Risk 3.2
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-125 Out-of-bounds Read
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
cvssv3 5.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-27843.json
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2020-27843
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2020-27843
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2020-27843
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2020-27843
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2020-27843
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2020-27843
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2020-27843
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2020-27843
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2020-27843
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2020-27843
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2020-27843
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2020-27843
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2020-27843
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2020-27843
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2020-27843
epss 0.00077 https://api.first.org/data/v1/epss?cve=CVE-2020-27843
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2020-27843
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2020-27843
cvssv3.1 4.8 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 7.1 https://nvd.nist.gov/vuln/detail/CVE-2020-27843
cvssv3.1 5.5 https://nvd.nist.gov/vuln/detail/CVE-2020-27843
archlinux Medium https://security.archlinux.org/AVG-1339
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-27843.json
https://api.first.org/data/v1/epss?cve=CVE-2020-27843
https://bugzilla.redhat.com/show_bug.cgi?id=1907516
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15389
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27814
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27823
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27824
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27841
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27842
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27843
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27845
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6851
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8112
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://lists.debian.org/debian-lts-announce/2022/04/msg00006.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WJUPGIZE6A4O52EBOF75MCXJOL6MUCRV/
https://security.gentoo.org/glsa/202101-29
https://www.debian.org/security/2021/dsa-4882
https://www.oracle.com/security-alerts/cpuApr2021.html
https://www.oracle.com//security-alerts/cpujul2021.html
983663 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=983663
ASA-202012-21 https://security.archlinux.org/ASA-202012-21
AVG-1339 https://security.archlinux.org/AVG-1339
cpe:2.3:a:oracle:outside_in_technology:8.5.5:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:oracle:outside_in_technology:8.5.5:*:*:*:*:*:*:*
cpe:2.3:a:uclouvain:openjpeg:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:uclouvain:openjpeg:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
CVE-2020-27843 https://nvd.nist.gov/vuln/detail/CVE-2020-27843
RHSA-2021:4251 https://access.redhat.com/errata/RHSA-2021:4251
USN-4685-1 https://usn.ubuntu.com/4685-1/
USN-4686-1 https://usn.ubuntu.com/4686-1/
USN-5952-1 https://usn.ubuntu.com/5952-1/
No exploits are available.
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-27843.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:N/S:U/C:L/I:N/A:L 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:N/I:N/A:C Found at https://nvd.nist.gov/vuln/detail/CVE-2020-27843
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:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2020-27843
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 0.23684
EPSS Score 0.00077
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:34:42.947930+00:00 Ubuntu USN Importer Import https://usn.ubuntu.com/4686-1/ 37.0.0