{"cve":"CVE-2015-6273","nvd":{"published":"2015-08-29T01:59:02.690","modified":"2026-06-17T00:30:37.367","status":"Modified","description":"Cisco IOS XE before 3.1.2S on ASR 1000 devices mishandles the automatic setup of Virtual Fragment Reassembly (VFR) by certain firewall and NAT components, which allows remote attackers to cause a denial of service (Embedded Services Processor crash) via crafted IP packets, aka Bug IDs CSCtf87624, CSCte93229, CSCtd19103, and CSCti63623.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-399"],"references":["http://tools.cisco.com/security/center/viewAlert.x?alertId=40690","http://www.securitytracker.com/id/1033408","http://tools.cisco.com/security/center/viewAlert.x?alertId=40690","http://www.securitytracker.com/id/1033408"],"products":["cisco:ios_xe"],"source":"nvd","synced_at":"2026-10-19T20:37:45.466985407+00:00"},"epss":{"cve":"CVE-2015-6273","score":0.01908,"percentile":0.7977,"date":"2026-10-31"},"kev":null,"osv":[],"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."]}