synced 2 MIN AGO
01 Record

CVE-2020-14500

IMPROPER NEUTRALIZATION OF NULL BYTE OR NUL CHARACTER CWE-158

CriticalPUBLISHEDCNA: icscert
CNA base score10.0 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

02 Description

IMPROPER NEUTRALIZATION OF NULL BYTE OR NUL CHARACTER CWE-158

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
1.66% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 76.2% of scored records. A rank, not a probability.
NVD base score
9.8 (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:H/A:H
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
2020-08-25 13:12Z6 YR AGO
Last updated
2024-09-17 03:34Z2 YR AGO
Reserved
2020-06-19
Assigning CNA
icscert
Record state
PUBLISHED
Severity
Critical (CVSS 10.0)
CNA CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Weaknesses
  • CWE-158Improper Neutralization of Null Byte or NUL CharacterVariant
  • CWE-476NULL Pointer DereferenceBase
Data version
5.1
Document digest
bcfb9d41909650257d6645996915b51a53000966cf8164fa700827aaed2bdada

05 Affected products

VendorProductVersionsPlatforms
Secomea GateManager all versions prior to 9.2cSecomea GateManager all versions prior to 9.2call to < 9.2c—

06 References