CVE-2021-28213: tianocore edk_ii
CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2021-28213DEBIAN-CVE-2021-28213
Published 11-06-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-28213 is a high (CVSS 7.5) vulnerability in tianocore edk_ii. EPSS estimates a 1.11% chance of exploitation in the next 30 days, higher than 65.2% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
1.11%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 11-06-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
Example EDK2 encrypted private key in the IpSecDxe.efi present potential security risks.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:N/A:NSourcesSingle source
EPSS trend
Probability
1.11%
Chance of exploitation in the next 30 days
Percentile
65%
Versus all other CVEs
30-day change
0.00 pp
From 1.11% on 19-09-2026
19-09-202619-10-2026
EPSS score1.11%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Debian1 product
- edk2< 0~20190606.20d2e5a1-2
Ubuntu1 product
- edk2All versions (No fix recorded)
3 vendors · 4 products
References
4 links- bugzilla.tianocore.org/show_bug.cgi?id=1866X Refsource MISCIssue TrackingPermissions RequiredVendor Advisory