CVE-2020-11080
Denial of service in nghttp2
02 Description
Denial of service in nghttp2
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 5.31% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 92.3% of scored records. A rank, not a probability.
- NVD base score
- 7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Important. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2020-06-03 00:00Z6 YR AGO
- Last updated
- 2025-06-09 15:45Z1 YR AGO
- Reserved
- 2020-03-30
- Assigning CNA
- GitHub_M
- Record state
- PUBLISHED
- Severity
- Low (CVSS 3.7)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
- Weaknesses
- Data version
- 5.1
- Document digest
- 511f9e005ef866d7a573119b758ddfb08deab5b22ccc88af167307a8d2371095
05 Affected products
06 References
- www.debian.orgDSA-4696https://www.debian.org/security/2020/dsa-4696
- lists.opensuse.orgopenSUSE-SU-2020:0802http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00024.html
- lists.fedoraproject.orgFEDORA-2020-f7d15c8b77https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AAC2AA36OTRHKSVM5OV7TTVB3CZIGEFL/
- www.oracle.comhttps://www.oracle.com/security-alerts/cpujul2020.html
- github.comhttps://github.com/nghttp2/nghttp2/security/advisories/GHSA-q5wr-xfw9-q7xr
- github.comhttps://github.com/nghttp2/nghttp2/commit/336a98feb0d56b9ac54e12736b18785c27f75090
- github.comhttps://github.com/nghttp2/nghttp2/commit/f8da73bd042f810f34d19f9eae02b46d870af394
- www.oracle.comhttps://www.oracle.com/security-alerts/cpuoct2020.html
- lists.fedoraproject.orgFEDORA-2020-43d5a372fchttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4OOYAMJVLLCLXDTHW3V5UXNULZBBK4O6/
- www.oracle.comhttps://www.oracle.com/security-alerts/cpujan2021.html
- www.oracle.comhttps://www.oracle.com//security-alerts/cpujul2021.html
- lists.debian.org[debian-lts-announce] 20211017 [SECURITY] [DLA 2786-1] nghttp2 security updatehttps://lists.debian.org/debian-lts-announce/2021/10/msg00011.html
- www.oracle.comhttps://www.oracle.com/security-alerts/cpuapr2022.html
- lists.debian.org[debian-lts-announce] 20231016 [SECURITY] [DLA 3621-1] nghttp2 security updatehttps://lists.debian.org/debian-lts-announce/2023/10/msg00023.html
07 Fixed in
AlmaLinux 8
- libnghttp2 Fixed in 1.33.0-3.el8_2.1
- libnghttp2-devel Fixed in 1.33.0-3.el8_2.1
- nghttp2 Fixed in 1.33.0-3.el8_2.1
- nodejs-nodemon Fixed
A version is affected if any line below covers it.
- Affected before 1.18.3-1.module_el8.3.0+2023+d2377ea3
- Affected before 1.18.3-1.module_el8.3.0+2047+b07ac28e
- nodejs-packaging Fixed
A version is affected if any line below covers it.
- Affected before 17-3.module_el8.3.0+2023+d2377ea3
- Affected before 17-3.module_el8.4.0+2224+b07ac28e
- Affected before 17-3.module_el8.4.0+2521+c668cc9f
Source: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
CloudLinux 8
- libnghttp2 Fixed in 1.33.0-3.el8_2.1
- libnghttp2-devel Fixed in 1.33.0-3.el8_2.1
- nghttp2 Fixed in 1.33.0-3.el8_2.1
- nodejs-nodemon Fixed
A version is affected if any line below covers it.
- Affected before 1.18.3-1.module_el8.3.0+2023+d2377ea3
- Affected before 1.18.3-1.module_el8.3.0+2047+b07ac28e
- nodejs-packaging Fixed
A version is affected if any line below covers it.
- Affected before 17-3.module_el8.3.0+2023+d2377ea3
- Affected before 17-3.module_el8.4.0+2224+b07ac28e
- Affected before 17-3.module_el8.4.0+2521+c668cc9f
Derived from AlmaLinux 8. Partial coverage: only packages taken from AlmaLinux 8 are listed.
Source: CloudLinux errata, CloudLinux Inc. Derived from: AlmaLinux, AlmaLinux OS. Copyright (c) 2023 AlmaLinux OS. Licensed under MIT License. Received through OSV.dev. Reformatted by exploit.cc.
Debian 12
- nghttp2 Fixed in 1.41.0-1
- nodejs Fixed in 10.21.0~dfsg-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- nghttp2 Fixed in 1.41.0-1
- nodejs Fixed in 10.21.0~dfsg-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- nghttp2 Fixed in 1.41.0-1
- nodejs Fixed in 10.21.0~dfsg-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- nghttp2 Fixed in 1.40.0-1ubuntu0.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 16.04 LTS
- nghttp2 Fixed in 1.7.1-1ubuntu0.1~esm1Available with Ubuntu Pro: https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu Pro 18.04 LTS
- nghttp2 Fixed in 1.30.0-1ubuntu1+esm1Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.