synced 14 MIN AGO
01 Record

CVE-2020-16849

An issue was discovered on Canon MF237w 06.07 devices. An "Improper Handling of Length Parameter Inconsistency" issue in the IPv4/ICMPv4 component, when handling a packet sent by an unauthenticated

UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector

02 Description

An issue was discovered on Canon MF237w 06.07 devices. An "Improper Handling of Length Parameter Inconsistency" issue in the IPv4/ICMPv4 component, when handling a packet sent by an unauthenticated

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
1.14% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 66.3% of scored records. A rank, not a probability.
NVD base score
7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2020-11-30 21:27Z5 YR AGO
Last updated
2024-08-04 13:45Z2 YR AGO
Reserved
2020-08-04
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
No CWE assigned
Data version
5.1
Document digest
3bd0927d7d55ce46ba6af9085fedc5efa2920921d32c2f3a9c6c2d7801ee83b4

05 Affected products

VendorProductVersionsPlatforms
canonir2202nNot specified—
canonir2202n_firmwareNot specified—
canonir2204fNot specified—
canonir2204f_firmwareNot specified—
canonir2204nNot specified—
canonir2204n_firmwareNot specified—
canonir2206ifNot specified—
canonir2206if_firmwareNot specified—
canonir2206nNot specified—
canonir2206n_firmwareNot specified—
canonlbp113wNot specified—
canonlbp113w_firmwareNot specified—
canonlbp151dwNot specified—
canonlbp151dw_firmwareNot specified—
canonlbp162dwNot specified—
canonlbp162dw_firmwareNot specified—
canonmf113wNot specified—
canonmf113w_firmwareNot specified—
canonmf212wNot specified—
canonmf212w_firmwareNot specified—
canonmf216nNot specified—
canonmf216n_firmwareNot specified—
canonmf217wNot specified—
canonmf217w_firmwareNot specified—
canonmf226dnNot specified—
canonmf226dn_firmwareNot specified—
canonmf229dwNot specified—
canonmf229dw_firmwareNot specified—
canonmf231Not specified—
canonmf231_firmwareNot specified—
canonmf232wNot specified—
canonmf232w_firmwareNot specified—
canonmf237wNot specified—
canonmf237w_firmwareNot specified—
canonmf244dwNot specified—
canonmf244dw_firmwareNot specified—
canonmf247dwNot specified—
canonmf247dw_firmwareNot specified—
canonmf249dwNot specified—
canonmf249dw_firmwareNot specified—
canonmf264dwNot specified—
canonmf264dw_firmwareNot specified—
canonmf267dwNot specified—
canonmf267dw_firmwareNot specified—
canonmf269dwNot specified—
canonmf269dw_firmwareNot specified—
canonmf4570dnNot specified—
canonmf4570dn_firmwareNot specified—
canonmf4580dnNot specified—
canonmf4580dn_firmwareNot specified—
canonmf4780wNot specified—
canonmf4780w_firmwareNot specified—
canonmf4870dnNot specified—
canonmf4870dn_firmwareNot specified—
canonmf4890dwNot specified—
canonmf4890dw_firmwareNot specified—

06 References