{"id":"CVE-2010-0577","aliases":["EUVD-2010-0608","GHSA-2q84-j32v-48rc"],"status":"published","title":"Cisco IOS 12.2 through 12.4, when certain PMTUD, SNAT, or window-size configurations are used,...","description":"Cisco IOS 12.2 through 12.4, when certain PMTUD, SNAT, or window-size configurations are used, allows remote attackers to cause a denial of service (infinite loop, and device reload or hang) via a TCP segment with crafted options, aka Bug ID CSCsz75186.","severity":{"version":"2.0","score":7.1,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.0252,"percentile":0.84958,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-399"],"published":"2010-03-25T20:31:00Z","modified":"2026-06-16T23:16:26Z","products":[{"vendor":"cisco","product":"ios"}],"references":[{"url":"http://www.securityfocus.com/bid/38930","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.cisco.com/en/US/products/products_security_advisory09186a0080b20f34.shtml","tags":["vendor-advisory","x_refsource_CISCO","x_transferred","Patch","Vendor Advisory"]},{"url":"http://www.securitytracker.com/id?1023743","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://secunia.com/advisories/39078","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"http://www.vupen.com/english/advisories/2010/0703","tags":["vdb-entry","x_refsource_VUPEN","x_transferred"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/57129","tags":["vdb-entry","x_refsource_XF","x_transferred"]},{"url":"http://osvdb.org/63178","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2010-0577"},{"url":"https://github.com/advisories/GHSA-2q84-j32v-48rc"}],"sources":{"cve":[{"id":"CVE-2010-0577","description":"Cisco IOS 12.2 through 12.4, when certain PMTUD, SNAT, or window-size configurations are used, allows remote attackers to cause a denial of service (infinite loop, and device reload or hang) via a TCP segment with crafted options, aka Bug ID CSCsz75186.","status":"published","published":"2010-03-25T20:31:00Z","modified":"2024-08-07T00:52:19.808Z","updated_at":"2026-11-02T14:33:29.990758Z"}],"euvd":[{"id":"EUVD-2010-0608","description":"Cisco IOS 12.2 through 12.4, when certain PMTUD, SNAT, or window-size configurations are used, allows remote attackers to cause a denial of service (infinite loop, and device reload or hang) via a TCP segment with crafted options, aka Bug ID CSCsz75186.","status":"published","published":"2010-03-25T20:31:00Z","modified":"2024-08-07T00:52:19Z","updated_at":"2026-11-03T01:39:44.661513Z"}],"ghsa":[{"id":"GHSA-2q84-j32v-48rc","title":"Cisco IOS 12.2 through 12.4, when certain PMTUD, SNAT, or window-size configurations are used,...","description":"Cisco IOS 12.2 through 12.4, when certain PMTUD, SNAT, or window-size configurations are used, allows remote attackers to cause a denial of service (infinite loop, and device reload or hang) via a TCP segment with crafted options, aka Bug ID CSCsz75186.","status":"published","published":"2022-05-02T06:13:52Z","modified":"2023-02-01T05:00:35Z","updated_at":"2026-11-02T14:49:33.904232Z"}],"nvd":[{"id":"CVE-2010-0577","description":"Cisco IOS 12.2 through 12.4, when certain PMTUD, SNAT, or window-size configurations are used, allows remote attackers to cause a denial of service (infinite loop, and device reload or hang) via a TCP segment with crafted options, aka Bug ID CSCsz75186.","status":"published","published":"2010-03-25T21:00:00.687Z","modified":"2026-06-16T23:16:26.343Z","cvss":[{"version":"2.0","score":7.1,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-399"],"updated_at":"2026-11-02T14:01:43.639743Z"}]}}