There is a race condition in the 'replaced executable' detection that, with the correct local configuration, allow an attacker to execute arbitrary code as root
Published Jun 3, 2024
7.8
HIGHCVSS 3.1
EPSS 0.38%
Description
There is a race condition in the 'replaced executable' detection that, with the correct local configuration, allow an attacker to execute arbitrary code as root.
Affected products
-
- Version 0StatusaffectedConstraints<2.21.0
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Canonical Ltd. | Apport | n/a |
|
Configuration 2
- 18.04
- 20.04
- 21.10
- 22.04
-
- Version 0StatusaffectedConstraints<2.21.0
- Version
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
TotalDecision
n/aAssessed Aug 19, 2024 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2024–2026- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.38% (0.00384) | 30.03th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.38% (0.00384) | 29.99th | v5 (v2026.06.15) |
| Nov 21, 2025 | 3.14% (0.03143) | 86.38th | v4 (v2025.03.14) |
| Nov 18, 2025 | 0.90% (0.00895) | 73.61th | v4 (v2025.03.14) |
| Oct 23, 2025 | 3.14% (0.03143) | 86.32th | v4 (v2025.03.14) |
| Jun 5, 2025 | 2.05% (0.02053) | 82.97th | v4 (v2025.03.14) |
| May 21, 2025 | 0.55% (0.00553) | 66.88th | v4 (v2025.03.14) |
| Mar 30, 2025 | 2.43% (0.02429) | 83.71th | v4 (v2025.03.14) |
| Mar 29, 2025 | 7.26% (0.07258) | 85.75th | v4 (v2025.03.14) |
| Mar 28, 2025 | 2.43% (0.02434) | 83.73th | v4 (v2025.03.14) |
| Mar 27, 2025 | 7.26% (0.07258) | 90.38th | v4 (v2025.03.14) |
| Mar 20, 2025 | 4.60% (0.04603) | 88.31th | v4 (v2025.03.14) |
| Mar 19, 2025 | 7.44% (0.07442) | 90.65th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.60% (0.04603) | 88.52th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.04% (0.00045) | 17.74th | v3 (v2023.03.01) |
| Jun 4, 2024 | 0.04% (0.00045) | 15.24th | v3 (v2023.03.01) |
References (3)
- https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1948376 issue-trackingIssue TrackingPatch
- https://ubuntu.com/security/notices/USN-5427-1 vendor-advisoryVendor Advisory
- https://www.cve.org/CVERecord?id=CVE-2021-3899 issue-trackingThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1948376 | issue-trackingIssue TrackingPatch | |
| https://ubuntu.com/security/notices/USN-5427-1 | vendor-advisoryVendor Advisory | |
| https://www.cve.org/CVERecord?id=CVE-2021-3899 | issue-trackingThird Party Advisory |
Change history (0)
No recorded changes yet.