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Vulnerability details: VCID-4m7k-f4sy-aaae
Vulnerability ID VCID-4m7k-f4sy-aaae
Aliases CVE-2020-28020
Summary Exim 4 before 4.92 allows Integer Overflow to Buffer Overflow, in which an unauthenticated remote attacker can execute arbitrary code by leveraging the mishandling of continuation lines during header-length restriction.
Status Published
Exploitability 0.5
Weighted Severity 8.8
Risk 4.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-190 Integer Overflow or Wraparound
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2020/CVE-2020-28020.html
epss 0.02906 https://api.first.org/data/v1/epss?cve=CVE-2020-28020
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epss 0.02906 https://api.first.org/data/v1/epss?cve=CVE-2020-28020
epss 0.02906 https://api.first.org/data/v1/epss?cve=CVE-2020-28020
epss 0.03137 https://api.first.org/data/v1/epss?cve=CVE-2020-28020
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epss 0.03137 https://api.first.org/data/v1/epss?cve=CVE-2020-28020
epss 0.03137 https://api.first.org/data/v1/epss?cve=CVE-2020-28020
epss 0.03137 https://api.first.org/data/v1/epss?cve=CVE-2020-28020
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epss 0.03137 https://api.first.org/data/v1/epss?cve=CVE-2020-28020
epss 0.04105 https://api.first.org/data/v1/epss?cve=CVE-2020-28020
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epss 0.04115 https://api.first.org/data/v1/epss?cve=CVE-2020-28020
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epss 0.04115 https://api.first.org/data/v1/epss?cve=CVE-2020-28020
epss 0.04115 https://api.first.org/data/v1/epss?cve=CVE-2020-28020
epss 0.04115 https://api.first.org/data/v1/epss?cve=CVE-2020-28020
epss 0.04115 https://api.first.org/data/v1/epss?cve=CVE-2020-28020
epss 0.04115 https://api.first.org/data/v1/epss?cve=CVE-2020-28020
epss 0.23724 https://api.first.org/data/v1/epss?cve=CVE-2020-28020
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-28020
cvssv2 7.5 https://nvd.nist.gov/vuln/detail/CVE-2020-28020
cvssv3 9.8 https://nvd.nist.gov/vuln/detail/CVE-2020-28020
cvssv3.1 9.8 https://nvd.nist.gov/vuln/detail/CVE-2020-28020
archlinux High https://security.archlinux.org/AVG-1912
generic_textual Medium https://ubuntu.com/security/notices/USN-4934-1
generic_textual Medium https://ubuntu.com/security/notices/USN-4934-2
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2020/CVE-2020-28020.html
https://api.first.org/data/v1/epss?cve=CVE-2020-28020
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-28020
https://ubuntu.com/security/notices/USN-4934-1
https://ubuntu.com/security/notices/USN-4934-2
https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28020-HSIZE.txt
http://www.openwall.com/lists/oss-security/2021/07/25/1
http://www.openwall.com/lists/oss-security/2021/08/03/1
AVG-1912 https://security.archlinux.org/AVG-1912
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-2020-28020 https://nvd.nist.gov/vuln/detail/CVE-2020-28020
GLSA-202105-01 https://security.gentoo.org/glsa/202105-01
USN-4934-1 https://usn.ubuntu.com/4934-1/
USN-4934-2 https://usn.ubuntu.com/4934-2/
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-2020-28020
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-2020-28020
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-2020-28020
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 0.90547
EPSS Score 0.02906
Published At Dec. 17, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.