APT before 1.0.4 does not properly validate source packages, which allows man-in-the-middle attackers to download and install Trojan horse packages by removing the Release signature.
Conclusion & alert: CVE-2014-0478 is rated Exploit Available (50/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.23%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 2025-03-30 | 0.36% | 0.23% | -0.14% |
| 2 | 2025-03-29 | 0.17% | 0.36% | +0.19% |
| 3 | 2024-12-17 | — | 0.17% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.0 | 2.0 | MEDIUM |
|
4.9 | 4.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2014-0478 not yet assigned priority: Debian including 1 source packages (apt), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2014-0478 |
ubuntu
|
medium | CVE-2014-0478 medium priority: Ubuntu including 1 source packages (apt), 5 status rows across 5 suites (lucid, precise, saucy, trusty, upstream): released 5. | https://ubuntu.com/security/CVE-2014-0478 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| debian | advanced_package_tool | <= 1.0.3 | cpe:2.3:a:debian:advanced_package_tool:*:*:*:*:*:*:*:* |