{"id":"CVE-2017-6603","aliases":["EUVD-2017-15657","GHSA-h4x6-qj3h-xgg8"],"status":"published","title":"A vulnerability in Cisco ASR 903 or ASR 920 Series Devices running with an RSP2 card could allow...","description":"A vulnerability in Cisco ASR 903 or ASR 920 Series Devices running with an RSP2 card could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on a targeted system because of incorrect IPv6 Packet Processing. More Information: CSCuy94366. Known Affected Releases: 15.4(3)S3.15. Known Fixed Releases: 15.6(2)SP 15.6(1.31)SP.","severity":{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00662,"percentile":0.51914,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2017-04-07T17:00:00Z","modified":"2026-06-17T01:22:37Z","products":[{"vendor":"cisco","product":"asr_900_series_firmware"}],"references":[{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170405-asr","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://www.securitytracker.com/id/1038185","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://www.securityfocus.com/bid/97450","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-6603"},{"url":"https://github.com/advisories/GHSA-h4x6-qj3h-xgg8"}],"sources":{"cve":[{"id":"CVE-2017-6603","description":"A vulnerability in Cisco ASR 903 or ASR 920 Series Devices running with an RSP2 card could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on a targeted system because of incorrect IPv6 Packet Processing. More Information: CSCuy94366. Known Affected Releases: 15.4(3)S3.15. Known Fixed Releases: 15.6(2)SP 15.6(1.31)SP.","status":"published","published":"2017-04-07T17:00:00Z","modified":"2024-08-05T15:33:20.45Z","updated_at":"2026-11-02T14:33:16.916541Z"}],"euvd":[{"id":"EUVD-2017-15657","description":"A vulnerability in Cisco ASR 903 or ASR 920 Series Devices running with an RSP2 card could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on a targeted system because of incorrect IPv6 Packet Processing. More Information: CSCuy94366. Known Affected Releases: 15.4(3)S3.15. Known Fixed Releases: 15.6(2)SP 15.6(1.31)SP.","status":"published","published":"2017-04-07T17:00:00Z","modified":"2024-08-05T15:33:20Z","updated_at":"2026-11-03T02:39:12.023695Z"}],"ghsa":[{"id":"GHSA-h4x6-qj3h-xgg8","title":"A vulnerability in Cisco ASR 903 or ASR 920 Series Devices running with an RSP2 card could allow...","description":"A vulnerability in Cisco ASR 903 or ASR 920 Series Devices running with an RSP2 card could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on a targeted system because of incorrect IPv6 Packet Processing. More Information: CSCuy94366. Known Affected Releases: 15.4(3)S3.15. Known Fixed Releases: 15.6(2)SP 15.6(1.31)SP.","status":"published","published":"2022-05-13T01:46:40Z","modified":"2023-02-02T05:01:32Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T14:51:12.391632Z"}],"nvd":[{"id":"CVE-2017-6603","description":"A vulnerability in Cisco ASR 903 or ASR 920 Series Devices running with an RSP2 card could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition on a targeted system because of incorrect IPv6 Packet Processing. More Information: CSCuy94366. Known Affected Releases: 15.4(3)S3.15. Known Fixed Releases: 15.6(2)SP 15.6(1.31)SP.","status":"published","published":"2017-04-07T17:59:00.73Z","modified":"2026-06-17T01:22:37.583Z","cvss":[{"version":"3.0","score":6.5,"vector":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":6.1,"vector":"AV:A/AC:L/Au:N/C:N/I:N/A:C","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:03:44.86906Z"}]}}