Detections
Analytics
Cisco Integrated Services Routers 1000/4000 Series HTTP Detection Engine File Policy Bypass (cisco-sa-snort-filepolbypass-67DEwMe2)
high Nessus Plugin ID 146202
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Synopsis
The remote device is missing a vendor-supplied security patch.Description
According to its version and configuration, the Cisco Software running on the remote Integrated Services Router device is affected by affected by a file policy bypass vulnerability due to the incorrect handling of a HTTP range header. An unauthenticated, remote attacker could send a carefully crafted malicious payload to the device bypass file policy configurationsSolution
Upgrade to the relevant fixed version referenced in Cisco bug IDs CSCvu18635See Also
Plugin Details
Severity: High
ID: 146202
File Name: cisco-sa-snort-filepolbypass-isr-isa-isrv-67DEwMe2.nasl
Version: 1.10
Type: combined
Family: CISCO
Published: 2/4/2021
Updated: 8/23/2022
Configuration: Enable paranoid mode
Supported Sensors: Nessus
Risk Information
VPR
Risk Factor: Low
Score: 3.6
CVSS v2
Risk Factor: Medium
Base Score: 5
Temporal Score: 3.7
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N
CVSS Score Source: CVE-2021-1223
CVSS v3
Risk Factor: High
Base Score: 7.5
Temporal Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: cpe:/o:cisco:ios_xe
Required KB Items: Host/Cisco/IOS-XE/Version, Settings/ParanoidReport
Exploit Ease: No known exploits are available
Patch Publication Date: 1/13/2021
Vulnerability Publication Date: 1/13/2021
Reference Information
CVE: CVE-2021-1223