How severe is CVE-2014-0478?

CVE-2014-0478 has a CVSS 2.0 base score of 4.0, rated medium severity.

Is CVE-2014-0478 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-0478?

CVE-2014-0478 affects Debian Advanced Package Tool. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2014-0478?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2014-0478 published?

CVE-2014-0478 was published on 2014-06-17 and last updated on 2026-06-17.

CVE-2014-0478

CVE-2014-0478 is a medium-severity vulnerability in Debian Advanced Package Tool with a CVSS 2.0 base score of 4.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 2.0 base score 4.0)
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Debian Advanced Package Tool
Published: 2014-06-17
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2014-0478?: 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.
How severe is CVE-2014-0478?: CVE-2014-0478 has a CVSS 2.0 base score of 4.0, rated medium severity.
Is CVE-2014-0478 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-0478?: CVE-2014-0478 affects Debian Advanced Package Tool. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2014-0478?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-0478 published?: CVE-2014-0478 was published on 2014-06-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:debian:advanced_package_tool:*:*:*:*:*:*:*:*

More vulnerabilities in Debian Advanced Package Tool

CVE-2009-1358 — Critical (CVSS 10.0): apt-get in apt before 0.7.21 does not check for the correct error code from gpgv, which causes apt to treat a…
CVE-2009-1300 — Critical (CVSS 10.0): apt 0.7.20 does not check when the date command returns an "invalid date" error, which can prevent apt from loading…
CVE-2019-3462 — High (CVSS 8.1): Incorrect sanitation of the 302 redirect field in HTTP transport method of apt versions 1.4.8 and earlier can lead to…
CVE-2014-0490 — High (CVSS 7.5): The apt-get download command in APT before 1.0.9 does not properly validate signatures for packages, which allows…
CVE-2014-0489 — High (CVSS 7.5): APT before 1.0.9, when the Acquire::GzipIndexes option is enabled, does not validate checksums, which allows remote…
CVE-2014-0487 — High (CVSS 7.5): APT before 1.0.9 does not verify downloaded files if they have been modified as indicated using the If-Modified-Since…

All CVEs affecting Debian Advanced Package Tool →

Other CWE-20 (Improper Input Validation) vulnerabilities

CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48277 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48055 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download any video media. In versions 2.4.0 and…
CVE-2026-34910 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS…
CVE-2026-33587 — Critical (CVSS 10.0): Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and…

Browse all CWE-20 (Improper Input Validation) vulnerabilities →