{"cve":"CVE-2019-15795","nvd":{"published":"2020-03-26T13:15:12.750","modified":"2026-06-17T02:21:05.490","status":"Modified","description":"python-apt only checks the MD5 sums of downloaded files in `Version.fetch_binary()` and `Version.fetch_source()` of apt/package.py in version 1.9.0ubuntu1 and earlier. This allows a man-in-the-middle attack which could potentially be used to install altered packages and has been fixed in versions 1.9.0ubuntu1.2, 1.6.5ubuntu0.1, 1.1.0~beta1ubuntu0.16.04.7, 0.9.3.5ubuntu3+esm2, and 0.8.3ubuntu7.5.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N","score":4.7},"cwes":["CWE-327"],"references":["https://usn.ubuntu.com/4247-1/","https://usn.ubuntu.com/4247-3/","https://usn.ubuntu.com/4247-1/","https://usn.ubuntu.com/4247-3/"],"products":["debian:python-apt","ubuntu:python-apt"],"source":"nvd","synced_at":"2026-10-19T21:03:08.679916934+00:00"},"epss":{"cve":"CVE-2019-15795","score":0.00451,"percentile":0.392,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-rp8m-h266-53jh","url":"https://osv.dev/vulnerability/GHSA-rp8m-h266-53jh","summary":"python-apt Flawed Package Integrity Check","modified":"2023-11-08T04:01:15.311543Z","packages":[{"ecosystem":"PyPI","name":"python-apt","purl":"pkg:pypi/python-apt","ranges":["<0.8.3ubuntu7.5"],"fixed":["0.8.3ubuntu7.5"]},{"ecosystem":"PyPI","name":"python-apt","purl":"pkg:pypi/python-apt","ranges":[">=0.9.0 <0.9.3.5ubuntu3"],"fixed":["0.9.3.5ubuntu3"]},{"ecosystem":"PyPI","name":"python-apt","purl":"pkg:pypi/python-apt","ranges":[">=1.0.0 <1.1.0"],"fixed":["1.1.0"]},{"ecosystem":"PyPI","name":"python-apt","purl":"pkg:pypi/python-apt","ranges":[">=1.2.0 <1.6.5ubuntu0.1"],"fixed":["1.6.5ubuntu0.1"]},{"ecosystem":"PyPI","name":"python-apt","purl":"pkg:pypi/python-apt","ranges":[">=1.7.0 <1.9.0ubuntu1.2"],"fixed":["1.9.0ubuntu1.2"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}