Known exploited vulnerability
CVE-2017-0146
The short answer
CVE-2017-0146 affects Microsoft Corporation Windows SMB and is rated high (CVSS 8.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2022-03-25: attackers are using it, so patch it first. The vendor has linked a patch.
What it is
The SMBv1 server in Microsoft Windows Vista SP2; Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Windows 8.1; Windows Server 2012 Gold and R2; Windows RT 8.1; and Windows 10 Gold, 1511, and 1607; and Windows Server 2016 allows remote attackers to execute arbitrary code via crafted packets, aka "Windows SMB Remote Code Execution Vulnerability." This vulnerability is different from those described in CVE-2017-0143, CVE-2017-0144, CVE-2017-0145, and CVE-2017-0148.
Severity
8.8 high
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploited (CISA KEV)
Yes, since Mar 25, 2022
Federal due date Apr 15, 2022
EPSS, next 30 days
90%
Higher than 100% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
What CISA says to do
Apply updates per vendor instructions.
Affected products
Windows SMB. NVD's record lists the exact affected versions.
References
- cert-portal.siemens.com/productcert/pdf/ssa-701903.pdf Third Party Advisory
- cert-portal.siemens.com/productcert/pdf/ssa-966341.pdf Third Party Advisory
- ics-cert.us-cert.gov/advisories/ICSMA-18-058-02 Third Party AdvisoryUS Government Resource
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0146 PatchVendor Advisory
- www.exploit-db.com/exploits/41891/ ExploitThird Party AdvisoryVDB Entry
- www.exploit-db.com/exploits/41987/ ExploitThird Party AdvisoryVDB Entry
- www.exploit-db.com/exploits/43970/ ExploitThird Party AdvisoryVDB Entry
- cert-portal.siemens.com/productcert/pdf/ssa-701903.pdf Third Party Advisory
- cert-portal.siemens.com/productcert/pdf/ssa-966341.pdf Third Party Advisory
- ics-cert.us-cert.gov/advisories/ICSMA-18-058-02 Third Party AdvisoryUS Government Resource
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-0146 PatchVendor Advisory
- www.exploit-db.com/exploits/41891/ ExploitThird Party AdvisoryVDB Entry
Questions
Is CVE-2017-0146 being exploited?
Yes. CISA added CVE-2017-0146 to its Known Exploited Vulnerabilities catalog on 2022-03-25, with a federal remediation due date of 2022-04-15. CISA lists it as used in ransomware campaigns.
How do I fix CVE-2017-0146?
CISA's required action: Apply updates per vendor instructions.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
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