{"id":"CVE-2017-3803","aliases":["EUVD-2017-12920","GHSA-94r3-gpvr-mxj8"],"status":"published","title":"A vulnerability in the Cisco IOS Software forwarding queue of Cisco 2960X and 3750X switches...","description":"A vulnerability in the Cisco IOS Software forwarding queue of Cisco 2960X and 3750X switches could allow an unauthenticated, adjacent attacker to cause a memory leak in the software forwarding queue that would eventually lead to a partial denial of service (DoS) condition. More Information: CSCva72252. Known Affected Releases: 15.2(2)E3 15.2(4)E1. Known Fixed Releases: 15.2(2)E6 15.2(4)E3 15.2(5)E1 15.2(5.3.28i)E1 15.2(6.0.49i)E 3.9(1)E.","severity":{"version":"3.0","score":4.7,"vector":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.00556,"percentile":0.46595,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-772"],"published":"2017-01-26T07:45:00Z","modified":"2026-06-17T01:18:57Z","products":[{"vendor":"cisco","product":"ios"}],"references":[{"url":"http://www.securityfocus.com/bid/95632","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170118-catalyst","tags":["x_refsource_CONFIRM","x_transferred","Mitigation","Vendor Advisory"]},{"url":"http://www.securitytracker.com/id/1037657","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-3803"},{"url":"https://github.com/advisories/GHSA-94r3-gpvr-mxj8"}],"sources":{"cve":[{"id":"CVE-2017-3803","description":"A vulnerability in the Cisco IOS Software forwarding queue of Cisco 2960X and 3750X switches could allow an unauthenticated, adjacent attacker to cause a memory leak in the software forwarding queue that would eventually lead to a partial denial of service (DoS) condition. More Information: CSCva72252. Known Affected Releases: 15.2(2)E3 15.2(4)E1. Known Fixed Releases: 15.2(2)E6 15.2(4)E3 15.2(5)E1 15.2(5.3.28i)E1 15.2(6.0.49i)E 3.9(1)E.","status":"published","published":"2017-01-26T07:45:00Z","modified":"2024-08-05T14:39:40.976Z","updated_at":"2026-11-02T14:33:15.887816Z"}],"euvd":[{"id":"EUVD-2017-12920","description":"A vulnerability in the Cisco IOS Software forwarding queue of Cisco 2960X and 3750X switches could allow an unauthenticated, adjacent attacker to cause a memory leak in the software forwarding queue that would eventually lead to a partial denial of service (DoS) condition. More Information: CSCva72252. Known Affected Releases: 15.2(2)E3 15.2(4)E1. Known Fixed Releases: 15.2(2)E6 15.2(4)E3 15.2(5)E1 15.2(5.3.28i)E1 15.2(6.0.49i)E 3.9(1)E.","status":"published","published":"2017-01-26T07:45:00Z","modified":"2024-08-05T14:39:40Z","updated_at":"2026-11-03T02:39:18.505086Z"}],"ghsa":[{"id":"GHSA-94r3-gpvr-mxj8","title":"A vulnerability in the Cisco IOS Software forwarding queue of Cisco 2960X and 3750X switches...","description":"A vulnerability in the Cisco IOS Software forwarding queue of Cisco 2960X and 3750X switches could allow an unauthenticated, adjacent attacker to cause a memory leak in the software forwarding queue that would eventually lead to a partial denial of service (DoS) condition. More Information: CSCva72252. Known Affected Releases: 15.2(2)E3 15.2(4)E1. Known Fixed Releases: 15.2(2)E6 15.2(4)E3 15.2(5)E1 15.2(5.3.28i)E1 15.2(6.0.49i)E 3.9(1)E.","status":"published","published":"2022-05-13T01:45:54Z","modified":"2023-02-02T05:01:21Z","cvss":[{"version":"3.0","score":4.7,"vector":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L","level":"medium"}],"cwes":["CWE-772"],"updated_at":"2026-11-02T14:51:10.253822Z"}],"nvd":[{"id":"CVE-2017-3803","description":"A vulnerability in the Cisco IOS Software forwarding queue of Cisco 2960X and 3750X switches could allow an unauthenticated, adjacent attacker to cause a memory leak in the software forwarding queue that would eventually lead to a partial denial of service (DoS) condition. More Information: CSCva72252. Known Affected Releases: 15.2(2)E3 15.2(4)E1. Known Fixed Releases: 15.2(2)E6 15.2(4)E3 15.2(5)E1 15.2(5.3.28i)E1 15.2(6.0.49i)E 3.9(1)E.","status":"published","published":"2017-01-26T07:59:00.577Z","modified":"2026-06-17T01:18:57.04Z","cvss":[{"version":"3.0","score":4.7,"vector":"CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L","level":"medium","assessor":"primary"},{"version":"2.0","score":3.3,"vector":"AV:A/AC:L/Au:N/C:N/I:N/A:P","level":"low","assessor":"primary"}],"cwes":["CWE-772"],"updated_at":"2026-11-02T14:03:42.372487Z"}]}}