An issue in the CPIO command of Busybox v1.33.2 allows attackers to execute a directory traversal.
Conclusion & alert: CVE-2023-39810 is rated Moderate Risk (40.2/100): CVSS High severity, with low exploitation likelihood (EPSS 0.09%). Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-11-21 | 0.36% | 0.09% | -0.27% |
| 2 | 2025-11-18 | 0.12% | 0.36% | +0.24% |
| 3 | 2025-04-15 | — | 0.12% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.8 | 3.1 | HIGH |
|
1.8 | 5.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2023-39810 not yet assigned priority: Debian including 1 source packages (busybox), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): open 3, resolved 2. | https://security-tracker.debian.org/tracker/CVE-2023-39810 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2023-39810 |
suse
|
medium | CVE-2023-39810 severity moderate: SUSE including 4 source package names (busybox, busybox-static, busybox-testsuite, busybox-warewulf3), 84 product×package rows across 58 product lines (SLES-LTSS-TERADATA 15 SP2, SUSE CaaS Platform 4.0, … (58 product lines)): Will Not Fix 84. | https://www.suse.com/security/cve/CVE-2023-39810/ |
ubuntu
|
medium | CVE-2023-39810 medium priority: Ubuntu including 1 source packages (busybox), 11 status rows across 11 suites (bionic, focal, jammy, lunar, mantic, noble, oracular, plucky, trusty, upstream, xenial): ignored 10, needs-triage 1. | https://ubuntu.com/security/CVE-2023-39810 |