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Vulnerability details: VCID-fp42-vdmb-aaaa
Vulnerability ID VCID-fp42-vdmb-aaaa
Aliases CVE-2020-28018
Summary Exim 4 before 4.94.2 allows Use After Free in smtp_reset in certain situations that may be common for builds with OpenSSL.
Status Published
Exploitability 0.5
Weighted Severity 8.8
Risk 4.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-416 Use After Free
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2020/CVE-2020-28018.html
epss 0.02898 https://api.first.org/data/v1/epss?cve=CVE-2020-28018
epss 0.02898 https://api.first.org/data/v1/epss?cve=CVE-2020-28018
epss 0.02898 https://api.first.org/data/v1/epss?cve=CVE-2020-28018
epss 0.02898 https://api.first.org/data/v1/epss?cve=CVE-2020-28018
epss 0.03345 https://api.first.org/data/v1/epss?cve=CVE-2020-28018
epss 0.03345 https://api.first.org/data/v1/epss?cve=CVE-2020-28018
epss 0.03345 https://api.first.org/data/v1/epss?cve=CVE-2020-28018
epss 0.03345 https://api.first.org/data/v1/epss?cve=CVE-2020-28018
epss 0.03345 https://api.first.org/data/v1/epss?cve=CVE-2020-28018
epss 0.03345 https://api.first.org/data/v1/epss?cve=CVE-2020-28018
epss 0.03345 https://api.first.org/data/v1/epss?cve=CVE-2020-28018
epss 0.03345 https://api.first.org/data/v1/epss?cve=CVE-2020-28018
epss 0.03345 https://api.first.org/data/v1/epss?cve=CVE-2020-28018
epss 0.03345 https://api.first.org/data/v1/epss?cve=CVE-2020-28018
epss 0.03345 https://api.first.org/data/v1/epss?cve=CVE-2020-28018
epss 0.62787 https://api.first.org/data/v1/epss?cve=CVE-2020-28018
epss 0.62787 https://api.first.org/data/v1/epss?cve=CVE-2020-28018
epss 0.62787 https://api.first.org/data/v1/epss?cve=CVE-2020-28018
epss 0.62787 https://api.first.org/data/v1/epss?cve=CVE-2020-28018
epss 0.62787 https://api.first.org/data/v1/epss?cve=CVE-2020-28018
epss 0.62787 https://api.first.org/data/v1/epss?cve=CVE-2020-28018
epss 0.62787 https://api.first.org/data/v1/epss?cve=CVE-2020-28018
epss 0.62787 https://api.first.org/data/v1/epss?cve=CVE-2020-28018
epss 0.62787 https://api.first.org/data/v1/epss?cve=CVE-2020-28018
epss 0.62787 https://api.first.org/data/v1/epss?cve=CVE-2020-28018
epss 0.62787 https://api.first.org/data/v1/epss?cve=CVE-2020-28018
epss 0.62787 https://api.first.org/data/v1/epss?cve=CVE-2020-28018
epss 0.62787 https://api.first.org/data/v1/epss?cve=CVE-2020-28018
epss 0.62787 https://api.first.org/data/v1/epss?cve=CVE-2020-28018
epss 0.62787 https://api.first.org/data/v1/epss?cve=CVE-2020-28018
epss 0.62787 https://api.first.org/data/v1/epss?cve=CVE-2020-28018
epss 0.62787 https://api.first.org/data/v1/epss?cve=CVE-2020-28018
epss 0.62787 https://api.first.org/data/v1/epss?cve=CVE-2020-28018
epss 0.62787 https://api.first.org/data/v1/epss?cve=CVE-2020-28018
epss 0.62787 https://api.first.org/data/v1/epss?cve=CVE-2020-28018
epss 0.62787 https://api.first.org/data/v1/epss?cve=CVE-2020-28018
epss 0.62787 https://api.first.org/data/v1/epss?cve=CVE-2020-28018
epss 0.62787 https://api.first.org/data/v1/epss?cve=CVE-2020-28018
epss 0.62787 https://api.first.org/data/v1/epss?cve=CVE-2020-28018
epss 0.71041 https://api.first.org/data/v1/epss?cve=CVE-2020-28018
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-28018
cvssv2 7.5 https://nvd.nist.gov/vuln/detail/CVE-2020-28018
cvssv3 9.8 https://nvd.nist.gov/vuln/detail/CVE-2020-28018
cvssv3.1 9.8 https://nvd.nist.gov/vuln/detail/CVE-2020-28018
archlinux High https://security.archlinux.org/AVG-1911
generic_textual Medium https://ubuntu.com/security/notices/USN-4934-1
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2020/CVE-2020-28018.html
https://api.first.org/data/v1/epss?cve=CVE-2020-28018
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-28018
https://ubuntu.com/security/notices/USN-4934-1
https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28018-OCORK.txt
http://www.openwall.com/lists/oss-security/2021/05/11/14
http://www.openwall.com/lists/oss-security/2021/05/11/15
http://www.openwall.com/lists/oss-security/2021/05/11/17
http://www.openwall.com/lists/oss-security/2021/05/11/5
http://www.openwall.com/lists/oss-security/2021/05/11/6
http://www.openwall.com/lists/oss-security/2021/05/12/2
http://www.openwall.com/lists/oss-security/2021/05/12/3
AVG-1911 https://security.archlinux.org/AVG-1911
cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:exim:exim:*:*:*:*:*:*:*:*
CVE-2020-28018 https://nvd.nist.gov/vuln/detail/CVE-2020-28018
GLSA-202105-01 https://security.gentoo.org/glsa/202105-01
USN-4934-1 https://usn.ubuntu.com/4934-1/
No exploits are available.
Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2020-28018
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:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2020-28018
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:L/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2020-28018
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 0.90536
EPSS Score 0.02898
Published At Dec. 17, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.