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Vulnerability details: VCID-2264-g3de-jufc
Vulnerability ID VCID-2264-g3de-jufc
Aliases CVE-2020-27618
Summary The iconv function in the GNU C Library (aka glibc or libc6) 2.32 and earlier, when processing invalid multi-byte input sequences in IBM1364, IBM1371, IBM1388, IBM1390, and IBM1399 encodings, fails to advance the input state, which could lead to an infinite loop in applications, resulting in a denial of service, a different vulnerability from CVE-2016-10228.
Status Published
Exploitability 0.5
Weighted Severity 5.0
Risk 2.5
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-835 Loop with Unreachable Exit Condition ('Infinite Loop')
System Score Found at
cvssv3 5.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-27618.json
epss 0.0003 https://api.first.org/data/v1/epss?cve=CVE-2020-27618
epss 0.0003 https://api.first.org/data/v1/epss?cve=CVE-2020-27618
epss 0.0003 https://api.first.org/data/v1/epss?cve=CVE-2020-27618
epss 0.0003 https://api.first.org/data/v1/epss?cve=CVE-2020-27618
epss 0.0003 https://api.first.org/data/v1/epss?cve=CVE-2020-27618
epss 0.0003 https://api.first.org/data/v1/epss?cve=CVE-2020-27618
epss 0.0003 https://api.first.org/data/v1/epss?cve=CVE-2020-27618
epss 0.0003 https://api.first.org/data/v1/epss?cve=CVE-2020-27618
epss 0.0003 https://api.first.org/data/v1/epss?cve=CVE-2020-27618
epss 0.0003 https://api.first.org/data/v1/epss?cve=CVE-2020-27618
epss 0.0003 https://api.first.org/data/v1/epss?cve=CVE-2020-27618
epss 0.0003 https://api.first.org/data/v1/epss?cve=CVE-2020-27618
epss 0.0003 https://api.first.org/data/v1/epss?cve=CVE-2020-27618
epss 0.0003 https://api.first.org/data/v1/epss?cve=CVE-2020-27618
epss 0.0003 https://api.first.org/data/v1/epss?cve=CVE-2020-27618
epss 0.0003 https://api.first.org/data/v1/epss?cve=CVE-2020-27618
epss 0.0003 https://api.first.org/data/v1/epss?cve=CVE-2020-27618
epss 0.0003 https://api.first.org/data/v1/epss?cve=CVE-2020-27618
epss 0.00031 https://api.first.org/data/v1/epss?cve=CVE-2020-27618
epss 0.00031 https://api.first.org/data/v1/epss?cve=CVE-2020-27618
epss 0.00031 https://api.first.org/data/v1/epss?cve=CVE-2020-27618
epss 0.00031 https://api.first.org/data/v1/epss?cve=CVE-2020-27618
epss 0.00031 https://api.first.org/data/v1/epss?cve=CVE-2020-27618
epss 0.00031 https://api.first.org/data/v1/epss?cve=CVE-2020-27618
epss 0.00031 https://api.first.org/data/v1/epss?cve=CVE-2020-27618
epss 0.00031 https://api.first.org/data/v1/epss?cve=CVE-2020-27618
epss 0.00031 https://api.first.org/data/v1/epss?cve=CVE-2020-27618
epss 0.00031 https://api.first.org/data/v1/epss?cve=CVE-2020-27618
epss 0.00031 https://api.first.org/data/v1/epss?cve=CVE-2020-27618
cvssv3.1 3.3 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 5.5 https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html
ssvc Track https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html
cvssv2 2.1 https://nvd.nist.gov/vuln/detail/CVE-2020-27618
cvssv3.1 5.5 https://nvd.nist.gov/vuln/detail/CVE-2020-27618
archlinux Low https://security.archlinux.org/AVG-1320
cvssv3.1 5.5 https://security.gentoo.org/glsa/202107-07
ssvc Track https://security.gentoo.org/glsa/202107-07
cvssv3.1 5.5 https://security.netapp.com/advisory/ntap-20210401-0006/
ssvc Track https://security.netapp.com/advisory/ntap-20210401-0006/
cvssv3.1 5.5 https://sourceware.org/bugzilla/show_bug.cgi?id=19519#c21
ssvc Track https://sourceware.org/bugzilla/show_bug.cgi?id=19519#c21
cvssv3.1 5.5 https://sourceware.org/bugzilla/show_bug.cgi?id=26224
ssvc Track https://sourceware.org/bugzilla/show_bug.cgi?id=26224
cvssv3.1 5.5 https://www.oracle.com/security-alerts/cpuapr2022.html
ssvc Track https://www.oracle.com/security-alerts/cpuapr2022.html
cvssv3.1 5.5 https://www.oracle.com/security-alerts/cpujan2022.html
ssvc Track https://www.oracle.com/security-alerts/cpujan2022.html
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-27618.json
https://api.first.org/data/v1/epss?cve=CVE-2020-27618
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27618
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://www.oracle.com/security-alerts/cpuapr2022.html
https://www.oracle.com/security-alerts/cpujan2022.html
1893708 https://bugzilla.redhat.com/show_bug.cgi?id=1893708
202107-07 https://security.gentoo.org/glsa/202107-07
973914 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=973914
ASA-202102-16 https://security.archlinux.org/ASA-202102-16
ASA-202102-17 https://security.archlinux.org/ASA-202102-17
AVG-1320 https://security.archlinux.org/AVG-1320
cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*
cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:netapp:ontap_select_deploy_administration_utility:-:*:*:*:*:*:*:*
cpe:2.3:a:oracle:communications_cloud_native_core_service_communication_proxy:1.14.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:oracle:communications_cloud_native_core_service_communication_proxy:1.14.0:*:*:*:*:*:*:*
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:*:*:*:*:*:*:*
CVE-2020-27618 https://nvd.nist.gov/vuln/detail/CVE-2020-27618
msg00021.html https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html
ntap-20210401-0006 https://security.netapp.com/advisory/ntap-20210401-0006/
RHSA-2021:1585 https://access.redhat.com/errata/RHSA-2021:1585
show_bug.cgi?id=19519#c21 https://sourceware.org/bugzilla/show_bug.cgi?id=19519#c21
show_bug.cgi?id=26224 https://sourceware.org/bugzilla/show_bug.cgi?id=26224
USN-5310-1 https://usn.ubuntu.com/5310-1/
USN-5768-1 https://usn.ubuntu.com/5768-1/
No exploits are available.
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-27618.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:L/AC:L/PR:N/UI:R/S:U/C:N/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

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none

required

unchanged

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none
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Found at https://lists.debian.org/debian-lts-announce/2022/10/msg00021.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

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none

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-06-09T15:14:58Z/ Found at https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html
Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2020-27618
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

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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-2020-27618
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

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none
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Found at https://security.gentoo.org/glsa/202107-07
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

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none
Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-06-09T15:14:58Z/ Found at https://security.gentoo.org/glsa/202107-07
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Found at https://security.netapp.com/advisory/ntap-20210401-0006/
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-06-09T15:14:58Z/ Found at https://security.netapp.com/advisory/ntap-20210401-0006/
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Found at https://sourceware.org/bugzilla/show_bug.cgi?id=19519#c21
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-06-09T15:14:58Z/ Found at https://sourceware.org/bugzilla/show_bug.cgi?id=19519#c21
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Found at https://sourceware.org/bugzilla/show_bug.cgi?id=26224
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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-06-09T15:14:58Z/ Found at https://sourceware.org/bugzilla/show_bug.cgi?id=26224
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Found at https://www.oracle.com/security-alerts/cpuapr2022.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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-06-09T15:14:58Z/ Found at https://www.oracle.com/security-alerts/cpuapr2022.html
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Found at https://www.oracle.com/security-alerts/cpujan2022.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: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-06-09T15:14:58Z/ Found at https://www.oracle.com/security-alerts/cpujan2022.html
Exploit Prediction Scoring System (EPSS)
Percentile 0.06566
EPSS Score 0.0003
Published At Aug. 10, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:36:58.846063+00:00 Ubuntu USN Importer Import https://usn.ubuntu.com/5310-1/ 37.0.0