CVE-2021-28210: tianocore edk_ii Uncontrolled Recursion
CVSS: 7.8v3.1HighModified
AliasesUBUNTU-CVE-2021-28210DEBIAN-CVE-2021-28210
Published 11-06-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-28210 is a high (CVSS 7.8) Uncontrolled Recursion vulnerability in tianocore edk_ii. EPSS estimates a 0.40% chance of exploitation in the next 30 days, higher than 32.7% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.8/10
010
High · v3.1 (NVD)EPSS score
0.40%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 10 · Related 8Timeline
- 11-06-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
An unlimited recursion in DxeCore in EDK II.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 7.8Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Medium 4.6Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
0.40%
Chance of exploitation in the next 30 days
Percentile
33%
Versus all other CVEs
30-day change
0.00 pp
From 0.40% on 19-09-2026
19-09-202619-10-2026
EPSS score0.40%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (bugzilla.tianocore.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Debian1 product
- edk2< 2020.11-1
Ubuntu1 product
- edk2< 0~20160408.ffea0a2c-2ubuntu0.2+esm3 | < 0~20180205.c0d9813c-2ubuntu0.3+esm2 | < 0~20191122.bd85bf54-2ubuntu3.2
3 vendors · 4 products
References
7 links- bugzilla.tianocore.org/show_bug.cgi?id=1743X Refsource MISCExploitIssue TrackingPatchVendor Advisory
