01 Record
CVE-2022-32230
SMBv3 FileNormalizedNameInformation NULL Pointer Dereference
HighPUBLISHEDCNA: rapid7
CNA base score7.5 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
02 Description
SMBv3 FileNormalizedNameInformation NULL Pointer Dereference
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
- 7.33% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 94.3% 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:N/I:N/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
- 2022-06-14 21:40Z4 YR AGO
- Last updated
- 2024-09-16 23:36Z2 YR AGO
- Reserved
- 2022-06-01
- Assigning CNA
- rapid7
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.5)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-476NULL Pointer DereferenceBase
- Data version
- 5.1
- Document digest
- 4a2210f0f6c10a6e1c43b7b709e3e2e12e4031ac820102012c6cfaca1ea298e1
05 Affected products
VendorProductVersionsPlatforms
MicrosoftWindows 10 Version 20H219042.1706 to < 19042.1706, 19043.1706 to < 19043.1706, 19044.1706 to < 19043.1706—
MicrosoftWindows Server Version 20H219042.1706 to < 19042.1706, 19043.1706 to < 19043.1706, 19044.1706 to < 19044.1706—
MicrosoftWindows 10 Version 21H119042.1706 to < 19042.1706, 19043.1706 to < 19043.1706, 19044.1706 to < 19044.1706—
MicrosoftWindows 10 Version 21H219042.1706 to < 19042.1706, 19043.1706 to < 19043.1706, 19044.1706 to < 19044.1706—
06 References
- www.rapid7.comhttps://www.rapid7.com/blog/post/2022/06/14/cve-2022-32230-windows-smb-denial-of-service-vulnerability-fixed/
- msrc.microsoft.comhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-32230
- github.comhttps://github.com/zeroSteiner/metasploit-framework/blob/feat/mod/cve-2022-32230/modules/auxiliary/dos/smb/smb_filenormalizednameinformation.rb
- support.microsoft.comhttps://support.microsoft.com/en-us/topic/may-10-2022-kb5013942-os-builds-19042-1706-19043-1706-and-19044-1706-60b51119-85be-4a34-9e21-8954f6749504
07 Remediation
This was fixed as a stability issue in the April, 2022 Patch Tuesday set from Microsoft.