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Vulnerability details: VCID-17k5-vadp-4kby
Vulnerability ID VCID-17k5-vadp-4kby
Aliases CVE-2020-11080
Summary nghttp2: overly large SETTINGS frames can lead to DoS
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-770 Allocation of Resources Without Limits or Throttling
CWE-707 Improper Neutralization
System Score Found at
cvssv3.1 3.7 http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00024.html
ssvc Track http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00024.html
cvssv3 7.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-11080.json
epss 0.00741 https://api.first.org/data/v1/epss?cve=CVE-2020-11080
epss 0.00741 https://api.first.org/data/v1/epss?cve=CVE-2020-11080
epss 0.00741 https://api.first.org/data/v1/epss?cve=CVE-2020-11080
epss 0.00741 https://api.first.org/data/v1/epss?cve=CVE-2020-11080
epss 0.00741 https://api.first.org/data/v1/epss?cve=CVE-2020-11080
epss 0.00741 https://api.first.org/data/v1/epss?cve=CVE-2020-11080
epss 0.00741 https://api.first.org/data/v1/epss?cve=CVE-2020-11080
epss 0.00741 https://api.first.org/data/v1/epss?cve=CVE-2020-11080
epss 0.00741 https://api.first.org/data/v1/epss?cve=CVE-2020-11080
epss 0.00741 https://api.first.org/data/v1/epss?cve=CVE-2020-11080
epss 0.00741 https://api.first.org/data/v1/epss?cve=CVE-2020-11080
epss 0.00741 https://api.first.org/data/v1/epss?cve=CVE-2020-11080
epss 0.00741 https://api.first.org/data/v1/epss?cve=CVE-2020-11080
epss 0.00741 https://api.first.org/data/v1/epss?cve=CVE-2020-11080
epss 0.00741 https://api.first.org/data/v1/epss?cve=CVE-2020-11080
cvssv3.1 7.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv3.1 3.7 https://github.com/nghttp2/nghttp2/commit/336a98feb0d56b9ac54e12736b18785c27f75090
ssvc Track https://github.com/nghttp2/nghttp2/commit/336a98feb0d56b9ac54e12736b18785c27f75090
cvssv3.1 3.7 https://github.com/nghttp2/nghttp2/commit/f8da73bd042f810f34d19f9eae02b46d870af394
ssvc Track https://github.com/nghttp2/nghttp2/commit/f8da73bd042f810f34d19f9eae02b46d870af394
cvssv3.1 3.7 https://github.com/nghttp2/nghttp2/security/advisories/GHSA-q5wr-xfw9-q7xr
ssvc Track https://github.com/nghttp2/nghttp2/security/advisories/GHSA-q5wr-xfw9-q7xr
cvssv3.1 3.7 https://lists.debian.org/debian-lts-announce/2021/10/msg00011.html
ssvc Track https://lists.debian.org/debian-lts-announce/2021/10/msg00011.html
cvssv3.1 3.7 https://lists.debian.org/debian-lts-announce/2023/10/msg00023.html
ssvc Track https://lists.debian.org/debian-lts-announce/2023/10/msg00023.html
cvssv3.1 3.7 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4OOYAMJVLLCLXDTHW3V5UXNULZBBK4O6/
ssvc Track https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4OOYAMJVLLCLXDTHW3V5UXNULZBBK4O6/
cvssv3.1 3.7 https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AAC2AA36OTRHKSVM5OV7TTVB3CZIGEFL/
ssvc Track https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AAC2AA36OTRHKSVM5OV7TTVB3CZIGEFL/
cvssv3.1 3.7 https://www.debian.org/security/2020/dsa-4696
ssvc Track https://www.debian.org/security/2020/dsa-4696
cvssv3.1 3.7 https://www.oracle.com/security-alerts/cpuapr2022.html
ssvc Track https://www.oracle.com/security-alerts/cpuapr2022.html
cvssv3.1 3.7 https://www.oracle.com/security-alerts/cpujan2021.html
ssvc Track https://www.oracle.com/security-alerts/cpujan2021.html
cvssv3.1 3.7 https://www.oracle.com/security-alerts/cpujul2020.html
ssvc Track https://www.oracle.com/security-alerts/cpujul2020.html
cvssv3.1 3.7 https://www.oracle.com//security-alerts/cpujul2021.html
ssvc Track https://www.oracle.com//security-alerts/cpujul2021.html
cvssv3.1 3.7 https://www.oracle.com/security-alerts/cpuoct2020.html
ssvc Track https://www.oracle.com/security-alerts/cpuoct2020.html
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-11080.json
https://api.first.org/data/v1/epss?cve=CVE-2020-11080
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11080
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8174
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
1844929 https://bugzilla.redhat.com/show_bug.cgi?id=1844929
336a98feb0d56b9ac54e12736b18785c27f75090 https://github.com/nghttp2/nghttp2/commit/336a98feb0d56b9ac54e12736b18785c27f75090
962145 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=962145
AAC2AA36OTRHKSVM5OV7TTVB3CZIGEFL https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AAC2AA36OTRHKSVM5OV7TTVB3CZIGEFL/
dsa-4696 https://www.debian.org/security/2020/dsa-4696
f8da73bd042f810f34d19f9eae02b46d870af394 https://github.com/nghttp2/nghttp2/commit/f8da73bd042f810f34d19f9eae02b46d870af394
GHSA-q5wr-xfw9-q7xr https://github.com/nghttp2/nghttp2/security/advisories/GHSA-q5wr-xfw9-q7xr
RHSA-2020:2523 https://access.redhat.com/errata/RHSA-2020:2523
RHSA-2020:2524 https://access.redhat.com/errata/RHSA-2020:2524
RHSA-2020:2644 https://access.redhat.com/errata/RHSA-2020:2644
RHSA-2020:2646 https://access.redhat.com/errata/RHSA-2020:2646
RHSA-2020:2755 https://access.redhat.com/errata/RHSA-2020:2755
RHSA-2020:2784 https://access.redhat.com/errata/RHSA-2020:2784
RHSA-2020:2823 https://access.redhat.com/errata/RHSA-2020:2823
RHSA-2020:2847 https://access.redhat.com/errata/RHSA-2020:2847
RHSA-2020:2848 https://access.redhat.com/errata/RHSA-2020:2848
RHSA-2020:2849 https://access.redhat.com/errata/RHSA-2020:2849
RHSA-2020:2850 https://access.redhat.com/errata/RHSA-2020:2850
RHSA-2020:2852 https://access.redhat.com/errata/RHSA-2020:2852
RHSA-2020:2895 https://access.redhat.com/errata/RHSA-2020:2895
RHSA-2020:3042 https://access.redhat.com/errata/RHSA-2020:3042
RHSA-2020:3084 https://access.redhat.com/errata/RHSA-2020:3084
USN-6142-1 https://usn.ubuntu.com/6142-1/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L Found at http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00024.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-06-09T15:44:48Z/ Found at http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00024.html
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-11080.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H 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)

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Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L Found at https://github.com/nghttp2/nghttp2/commit/336a98feb0d56b9ac54e12736b18785c27f75090
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-06-09T15:44:48Z/ Found at https://github.com/nghttp2/nghttp2/commit/336a98feb0d56b9ac54e12736b18785c27f75090
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L Found at https://github.com/nghttp2/nghttp2/commit/f8da73bd042f810f34d19f9eae02b46d870af394
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-06-09T15:44:48Z/ Found at https://github.com/nghttp2/nghttp2/commit/f8da73bd042f810f34d19f9eae02b46d870af394
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L Found at https://github.com/nghttp2/nghttp2/security/advisories/GHSA-q5wr-xfw9-q7xr
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-06-09T15:44:48Z/ Found at https://github.com/nghttp2/nghttp2/security/advisories/GHSA-q5wr-xfw9-q7xr
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L Found at https://lists.debian.org/debian-lts-announce/2021/10/msg00011.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-06-09T15:44:48Z/ Found at https://lists.debian.org/debian-lts-announce/2021/10/msg00011.html
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L Found at https://lists.debian.org/debian-lts-announce/2023/10/msg00023.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-06-09T15:44:48Z/ Found at https://lists.debian.org/debian-lts-announce/2023/10/msg00023.html
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4OOYAMJVLLCLXDTHW3V5UXNULZBBK4O6/
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-06-09T15:44:48Z/ Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4OOYAMJVLLCLXDTHW3V5UXNULZBBK4O6/
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AAC2AA36OTRHKSVM5OV7TTVB3CZIGEFL/
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-06-09T15:44:48Z/ Found at https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AAC2AA36OTRHKSVM5OV7TTVB3CZIGEFL/
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L Found at https://www.debian.org/security/2020/dsa-4696
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-06-09T15:44:48Z/ Found at https://www.debian.org/security/2020/dsa-4696
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L 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)

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-06-09T15:44:48Z/ Found at https://www.oracle.com/security-alerts/cpuapr2022.html
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L Found at https://www.oracle.com/security-alerts/cpujan2021.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-06-09T15:44:48Z/ Found at https://www.oracle.com/security-alerts/cpujan2021.html
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L Found at https://www.oracle.com/security-alerts/cpujul2020.html
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-06-09T15:44:48Z/ Found at https://www.oracle.com/security-alerts/cpujul2020.html
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L 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)

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-06-09T15:44:48Z/ Found at https://www.oracle.com//security-alerts/cpujul2021.html
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L Found at https://www.oracle.com/security-alerts/cpuoct2020.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

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Vector: SSVCv2/E:N/A:N/T:P/P:M/B:A/M:M/D:T/2025-06-09T15:44:48Z/ Found at https://www.oracle.com/security-alerts/cpuoct2020.html
Exploit Prediction Scoring System (EPSS)
Percentile 0.72893
EPSS Score 0.00741
Published At April 1, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-04-01T14:06:34.214366+00:00 RedHat Importer Import https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-11080.json 38.0.0