Search for vulnerabilities
Vulnerability details: VCID-axyb-6k5x-aaak
Vulnerability ID VCID-axyb-6k5x-aaak
Aliases CVE-2020-28928
Summary In musl libc through 1.2.1, wcsnrtombs mishandles particular combinations of destination buffer size and source character limit, as demonstrated by an invalid write access (buffer overflow).
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-787 Out-of-bounds Write
System Score Found at
epss 0.00033 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00033 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00033 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00033 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00033 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00033 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00033 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00033 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00033 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00033 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00033 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00033 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00033 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00033 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00033 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00033 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00033 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00033 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00033 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00033 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00033 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00033 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00033 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00039 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00039 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00039 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00039 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00039 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00039 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00039 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00039 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00039 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00039 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00039 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00039 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00039 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00039 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00039 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00039 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00039 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00039 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00039 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00039 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00039 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00039 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00039 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00039 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00039 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00039 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00039 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00039 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00039 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00039 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00039 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00039 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00039 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00039 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00039 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00039 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00039 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00039 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00039 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00039 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00039 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00039 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00039 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00039 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00039 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00039 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00039 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00042 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00045 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00045 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00045 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00045 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00103 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00103 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00103 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00103 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00103 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00103 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00103 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00103 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00103 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00103 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00103 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00103 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00103 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00103 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00103 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
epss 0.00103 https://api.first.org/data/v1/epss?cve=CVE-2020-28928
cvssv2 2.1 https://nvd.nist.gov/vuln/detail/CVE-2020-28928
cvssv3 5.5 https://nvd.nist.gov/vuln/detail/CVE-2020-28928
cvssv3.1 5.5 https://nvd.nist.gov/vuln/detail/CVE-2020-28928
archlinux Medium https://security.archlinux.org/AVG-1287
cvssv3.1 5.3 https://www.oracle.com//security-alerts/cpujul2021.html
generic_textual MODERATE https://www.oracle.com//security-alerts/cpujul2021.html
cvssv3.1 8.2 https://www.oracle.com/security-alerts/cpuoct2021.html
generic_textual HIGH https://www.oracle.com/security-alerts/cpuoct2021.html
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2020-28928
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-28928
https://lists.apache.org/thread.html/r2134abfe847bea7795f0e53756d10a47e6643f35ab8169df8b8a9eb1@%3Cnotifications.apisix.apache.org%3E
https://lists.apache.org/thread.html/r2134abfe847bea7795f0e53756d10a47e6643f35ab8169df8b8a9eb1%40%3Cnotifications.apisix.apache.org%3E
https://lists.apache.org/thread.html/r90b60cf49348e515257b4950900c1bd3ab95a960cf2469d919c7264e@%3Cnotifications.apisix.apache.org%3E
https://lists.apache.org/thread.html/r90b60cf49348e515257b4950900c1bd3ab95a960cf2469d919c7264e%40%3Cnotifications.apisix.apache.org%3E
https://lists.apache.org/thread.html/ra63e8dc5137d952afc55dbbfa63be83304ecf842d1eab1ff3ebb29e2@%3Cnotifications.apisix.apache.org%3E
https://lists.apache.org/thread.html/ra63e8dc5137d952afc55dbbfa63be83304ecf842d1eab1ff3ebb29e2%40%3Cnotifications.apisix.apache.org%3E
https://lists.debian.org/debian-lts-announce/2020/11/msg00050.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LKQ3RVSMVZNZNO4D65W2CZZ4DMYFZN2Q/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UW27QVY7ERPTSGKS4KAWE5TU7EJWHKVQ/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LKQ3RVSMVZNZNO4D65W2CZZ4DMYFZN2Q/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UW27QVY7ERPTSGKS4KAWE5TU7EJWHKVQ/
https://musl.libc.org/releases.html
https://www.oracle.com//security-alerts/cpujul2021.html
https://www.oracle.com/security-alerts/cpuoct2021.html
http://www.openwall.com/lists/oss-security/2020/11/20/4
975365 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=975365
ASA-202011-29 https://security.archlinux.org/ASA-202011-29
AVG-1287 https://security.archlinux.org/AVG-1287
cpe:2.3:a:musl-libc:musl:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:musl-libc:musl:*:*:*:*:*:*:*:*
cpe:2.3:a:oracle:graalvm:20.3.2:*:*:*:enterprise:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:oracle:graalvm:20.3.2:*:*:*:enterprise:*:*:*
cpe:2.3:a:oracle:graalvm:21.1.0:*:*:*:enterprise:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:oracle:graalvm:21.1.0:*:*:*:enterprise:*:*:*
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:33:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
CVE-2020-28928 https://nvd.nist.gov/vuln/detail/CVE-2020-28928
USN-5990-1 https://usn.ubuntu.com/5990-1/
No exploits are available.
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2020-28928
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:L/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2020-28928
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:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2020-28928
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:N/I:L/A:N Found at https://www.oracle.com//security-alerts/cpujul2021.html
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:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N Found at https://www.oracle.com/security-alerts/cpuoct2021.html
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 0.08125
EPSS Score 0.00033
Published At May 25, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
There are no relevant records.