{"id":"CVE-2002-1755","aliases":["DEBIAN-CVE-2002-1755","EUVD-2002-1734","GHSA-5rvw-86pg-w962"],"status":"published","title":"tinc 1.0pre3 and 1.0pre4 VPN does not authenticate forwarded packets, which allows remote...","description":"tinc 1.0pre3 and 1.0pre4 VPN does not authenticate forwarded packets, which allows remote attackers to inject data into user sessions without detection, and possibly control the data contents via cut-and-paste attacks on CBC.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.01096,"percentile":0.65784,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2002-12-31T05:00:00Z","modified":"2026-10-22T23:47:32Z","fixes":[{"ecosystem":"Debian:12","package":"tinc","fixed_in":["1.0pre5"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"tinc","fixed_in":["1.0pre5"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"tinc","fixed_in":["1.0pre5"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"tinc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0pre5"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"tinc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0pre5"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"tinc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0pre5"}]}]}],"products":[{"vendor":"tinc","product":"tinc"}],"references":[{"url":"http://www.securityfocus.com/archive/1/249142","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","web"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/7868","tags":["vdb-entry","x_refsource_XF","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2002-1755"},{"url":"https://github.com/advisories/GHSA-5rvw-86pg-w962"},{"url":"https://security-tracker.debian.org/tracker/CVE-2002-1755","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2002-1755","description":"tinc 1.0pre3 and 1.0pre4 VPN does not authenticate forwarded packets, which allows remote attackers to inject data into user sessions without detection, and possibly control the data contents via cut-and-paste attacks on CBC.","status":"published","published":"2005-06-21T04:00:00Z","modified":"2024-08-08T03:34:56.365Z","updated_at":"2026-11-02T14:33:54.641433Z"}],"euvd":[{"id":"EUVD-2002-1734","description":"tinc 1.0pre3 and 1.0pre4 VPN does not authenticate forwarded packets, which allows remote attackers to inject data into user sessions without detection, and possibly control the data contents via cut-and-paste attacks on CBC.","status":"published","published":"2005-06-21T04:00:00Z","modified":"2024-08-08T03:34:56Z","updated_at":"2026-11-03T01:14:54.820731Z"}],"ghsa":[{"id":"GHSA-5rvw-86pg-w962","title":"tinc 1.0pre3 and 1.0pre4 VPN does not authenticate forwarded packets, which allows remote...","description":"tinc 1.0pre3 and 1.0pre4 VPN does not authenticate forwarded packets, which allows remote attackers to inject data into user sessions without detection, and possibly control the data contents via cut-and-paste attacks on CBC.","status":"published","published":"2022-04-30T18:21:48Z","modified":"2023-01-30T05:06:27Z","updated_at":"2026-11-02T14:47:30.041148Z"}],"nvd":[{"id":"CVE-2002-1755","description":"tinc 1.0pre3 and 1.0pre4 VPN does not authenticate forwarded packets, which allows remote attackers to inject data into user sessions without detection, and possibly control the data contents via cut-and-paste attacks on CBC.","status":"published","published":"2002-12-31T05:00:00Z","modified":"2026-06-16T21:59:55.537Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:00:43.239725Z"}],"osv":[{"id":"CVE-2002-1755","description":"tinc 1.0pre3 and 1.0pre4 VPN does not authenticate forwarded packets, which allows remote attackers to inject data into user sessions without detection, and possibly control the data contents via cut-and-paste attacks on CBC.","status":"published","published":"2002-12-31T05:00:00Z","modified":"2026-04-10T03:34:58.984578Z","updated_at":"2026-11-02T15:43:55.998148Z"},{"id":"DEBIAN-CVE-2002-1755","description":"tinc 1.0pre3 and 1.0pre4 VPN does not authenticate forwarded packets, which allows remote attackers to inject data into user sessions without detection, and possibly control the data contents via cut-and-paste attacks on CBC.","status":"published","published":"2002-12-31T05:00:00Z","modified":"2026-10-22T23:47:32.641218969Z","updated_at":"2026-11-02T15:45:22.248131Z"}]}}