CVE-2019-11098
Insufficient input validation in MdeModulePkg in EDKII may allow an unauthenticated user to...
Insufficient input validation in MdeModulePkg in EDKII may allow an unauthenticated user to potentially enable escalation of privilege, denial of service and/or information disclosure via physical access.
Attack profile
How easy it is to exploit
- Attack vector
- Physical
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
6.8
Insufficient input validation in MdeModulePkg in EDKII may allow an unauthenticated user to potentially enable escalation of privilege, denial of service and/or information disclosure via physical access.
- Record
CVE-2019-11098- CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
Insufficient input validation in MdeModulePkg in EDKII may allow an unauthenticated user to potentially enable escalation of privilege, denial of service and/or information disclosure via physical access.
- Record
CVE-2019-11098- Updated
- 2026-11-02
EUVDEUVD-2019-2802 No score
Insufficient input validation in MdeModulePkg in EDKII may allow an unauthenticated user to potentially enable escalation of privilege, denial of service and/or information disclosure via physical access.
- Record
EUVD-2019-2802- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6g82-r87x-h953 No score
Insufficient input validation in MdeModulePkg in EDKII may allow an unauthenticated user to...
Insufficient input validation in MdeModulePkg in EDKII may allow an unauthenticated user to potentially enable escalation of privilege, denial of service and/or information disclosure via physical access.
- Record
GHSA-6g82-r87x-h953- Weakness
- CWE-20
- Updated
- 2026-11-02
OSV
6.8
Insufficient input validation in MdeModulePkg in EDKII may allow an unauthenticated user to potentially enable escalation of privilege, denial of service and/or information disclosure via physical access.
- Record
CVE-2019-11098- CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2019-11098
6.8
Insufficient input validation in MdeModulePkg in EDKII may allow an unauthenticated user to potentially enable escalation of privilege, denial of service and/or information disclosure via physical access.
- Record
DEBIAN-CVE-2019-11098- CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Show 7 moreShow less
OSVOESA-2022-1986
7.8
edk2 security update
EDK II is a modern, feature-rich, cross-platform firmware development environment for the UEFI and PI specifications.
Security Fix(es):
Null pointer dereference in Tianocore EDK2 may allow an authenticated user to potentially enable escalation of privilege via local access.(CVE-2019-14584)
Insufficient input validation in MdeModulePkg in EDKII may allow an unauthenticated user to potentially enable escalation of privilege, denial of service and/or information disclosure via physical access.(CVE-2019-11098)
- Record
OESA-2022-1986- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVOESA-2022-1987
7.8
edk2 security update
EDK II is a modern, feature-rich, cross-platform firmware development environment for the UEFI and PI specifications.
Security Fix(es):
Null pointer dereference in Tianocore EDK2 may allow an authenticated user to potentially enable escalation of privilege via local access.(CVE-2019-14584)
Insufficient input validation in MdeModulePkg in EDKII may allow an unauthenticated user to potentially enable escalation of privilege, denial of service and/or information disclosure via physical access.(CVE-2019-11098)
- Record
OESA-2022-1987- CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVOESA-2022-1988
6.8
edk2 security update
Security Fix(es):
Insufficient input validation in MdeModulePkg in EDKII may allow an unauthenticated user to potentially enable escalation of privilege, denial of service and/or information disclosure via physical access.(CVE-2019-11098)
- Record
OESA-2022-1988- CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2019-11098
6.8
Insufficient input validation in MdeModulePkg in EDKII may allow an unauthenticated user to potentially enable escalation of privilege, denial of service and/or information disclosure via physical access.
- Record
UBUNTU-CVE-2019-11098- CVSS 3.1
- 6.8 Medium
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVSUSE-SU-2023:0004-1 No score
Security update for ovmf
This update for ovmf fixes the following issues:
- CVE-2019-11098: Fixed insufficient input validation in MdeModulePkg (bsc#1188371).
- Record
SUSE-SU-2023:0004-1- Updated
- 2026-11-02
OSVSUSE-SU-2023:0036-1 No score
Security update for ovmf
This update for ovmf fixes the following issues:
- CVE-2019-11098: Fixed insufficient input validation in MdeModulePkg (bsc#1188371).
- Record
SUSE-SU-2023:0036-1- Updated
- 2026-11-02
OSVUSN-5088-1 No score
edk2 vulnerabilities
It was discovered that EDK II incorrectly handled input validation in MdeModulePkg. A local user could possibly use this issue to cause EDK II to crash, resulting in a denial of service, obtain sensitive information or execute arbitrary code. (CVE-2019-11098)
Paul Kehrer discovered that OpenSSL used in EDK II incorrectly handled certain input lengths in EVP functions. An attacker could possibly use this issue to cause EDK II to crash, resulting in a denial of service. (CVE-2021-23840)
Ingo Schwarze discovered that OpenSSL used in EDK II incorrectly handled certain ASN.1 strings. An attacker could use this issue to cause EDK II to crash, resulting in a denial of service, or possibly obtain sensitive information. (CVE-2021-3712)
It was discovered that EDK II incorrectly decoded certain strings. A remote attacker could use this issue to cause EDK II to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2021-38575)
- Record
USN-5088-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
edk2Debian:12 |
before 2020.11-5 | 2020.11-5 |
edk2Debian:13 |
before 2020.11-5 | 2020.11-5 |
edk2Debian:14 |
before 2020.11-5 | 2020.11-5 |
edk2openEuler:20.03-LTS-SP1 |
before 202002-10.oe1 | 202002-10.oe1 |
edk2openEuler:20.03-LTS-SP3 |
before 202002-10.oe1 | 202002-10.oe1 |
edk2openEuler:22.03-LTS |
before 202011-6.oe2203 | 202011-6.oe2203 |
ovmfSUSE:Linux Enterprise High Performance Computing 15 SP2-LTSS |
before 201911-150200.7.24.1 | 201911-150200.7.24.1 |
ovmfSUSE:Linux Enterprise Server 15 SP2-LTSS |
before 201911-150200.7.24.1 | 201911-150200.7.24.1 |
ovmfSUSE:Linux Enterprise Server for SAP Applications 15 SP2 |
before 201911-150200.7.24.1 | 201911-150200.7.24.1 |
ovmfSUSE:Manager Proxy 4.1 |
before 201911-150200.7.24.1 | 201911-150200.7.24.1 |
Show 18 moreShow less
| Package | Affected | Fixed |
|---|---|---|
ovmfSUSE:Manager Retail Branch Server 4.1 |
before 201911-150200.7.24.1 | 201911-150200.7.24.1 |
ovmfSUSE:Manager Server 4.1 |
before 201911-150200.7.24.1 | 201911-150200.7.24.1 |
ovmfSUSE:Enterprise Storage 7 |
before 201911-150200.7.24.1 | 201911-150200.7.24.1 |
ovmfSUSE:Linux Enterprise High Performance Computing 15 SP3-ESPOS |
before 202008-150300.10.17.1 | 202008-150300.10.17.1 |
ovmfSUSE:Linux Enterprise High Performance Computing 15 SP3-LTSS |
before 202008-150300.10.17.1 | 202008-150300.10.17.1 |
ovmfSUSE:Linux Enterprise Real Time 15 SP3 |
before 202008-150300.10.17.1 | 202008-150300.10.17.1 |
ovmfSUSE:Linux Enterprise Server 15 SP3-LTSS |
before 202008-150300.10.17.1 | 202008-150300.10.17.1 |
ovmfSUSE:Linux Enterprise Server for SAP Applications 15 SP3 |
before 202008-150300.10.17.1 | 202008-150300.10.17.1 |
ovmfSUSE:Manager Proxy 4.2 |
before 202008-150300.10.17.1 | 202008-150300.10.17.1 |
ovmfSUSE:Manager Retail Branch Server 4.2 |
before 202008-150300.10.17.1 | 202008-150300.10.17.1 |
ovmfSUSE:Manager Server 4.2 |
before 202008-150300.10.17.1 | 202008-150300.10.17.1 |
ovmfSUSE:Linux Enterprise Micro 5.1 |
before 202008-150300.10.17.1 | 202008-150300.10.17.1 |
ovmfSUSE:Linux Enterprise Micro 5.2 |
before 202008-150300.10.17.1 | 202008-150300.10.17.1 |
ovmfSUSE:Enterprise Storage 7.1 |
before 202008-150300.10.17.1 | 202008-150300.10.17.1 |
ovmfopenSUSE:Leap Micro 5.2 |
before 202008-150300.10.17.1 | 202008-150300.10.17.1 |
edk2Ubuntu:Pro:16.04:LTS |
All versions, plus listed versions 0~20150106.5c2d456b-20~20160104.c2a892d7-10~20160408.ffea0a2c-20~20160408.ffea0a2c-2ubuntu0.10~20160408.ffea0a2c-2ubuntu0.20~20160408.ffea0a2c-2ubuntu0.2+esm10~20160408.ffea0a2c-2ubuntu0.2+esm30~20160408.ffea0a2c-2ubuntu0.2+esm4 |
None known |
edk2Ubuntu:Pro:18.04:LTS |
All versions, plus listed versions 0~20170911.5dfba97c-10~20171010.234dbcef-10~20171027.76fd5a66-10~20171205.a9212288-10~20180105.0bc94c74-1 Show 8 moreShow less0~20180205.c0d9813c-10~20180205.c0d9813c-20~20180205.c0d9813c-2ubuntu0.10~20180205.c0d9813c-2ubuntu0.20~20180205.c0d9813c-2ubuntu0.30~20180205.c0d9813c-2ubuntu0.3+esm10~20180205.c0d9813c-2ubuntu0.3+esm20~20180205.c0d9813c-2ubuntu0.3+esm3 |
None known |
edk2Ubuntu:20.04:LTS |
before 0~20191122.bd85bf54-2ubuntu3.3, plus listed versions 0~20190606.20d2e5a1-2ubuntu10~20190828.37eef910-30~20190828.37eef910-40~20191122.bd85bf54-10~20191122.bd85bf54-1ubuntu1 Show 6 moreShow less0~20191122.bd85bf54-20~20191122.bd85bf54-2ubuntu10~20191122.bd85bf54-2ubuntu20~20191122.bd85bf54-2ubuntu30~20191122.bd85bf54-2ubuntu3.10~20191122.bd85bf54-2ubuntu3.2 |
0~20191122.bd85bf54-2ubuntu3.3 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-11098 is a medium vulnerability (CVSS 6.8) in Tianocore Edk Ii, published July 14, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.34%, the 28th percentile. Fixed in edk2 2020.11-5.
References
edk2-docs.gitbook.io/security-advisory/bootguard-toctou-vulnerability
nvd.nist.gov/vuln/detail/CVE-2019-11098
github.com/advisories/GHSA-6g82-r87x-h953
security-tracker.debian.org/tracker/CVE-2019-11098
openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2022-1986
nvd.nist.gov/vuln/detail/CVE-2019-14584
Show 12 moreShow less
openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2022-1987
openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2022-1988
suse.com/support/update/announcement/2023/suse-su-20230004-1
bugzilla.suse.com/1188371
suse.com/security/cve/CVE-2019-11098
suse.com/support/update/announcement/2023/suse-su-20230036-1
ubuntu.com/security/CVE-2019-11098
ubuntu.com/security/notices/USN-5088-1
cve.org/CVERecord?id=CVE-2019-11098
ubuntu.com/security/CVE-2021-3712
ubuntu.com/security/CVE-2021-23840
ubuntu.com/security/CVE-2021-38575