Known exploited vulnerability
CVE-2015-1635
The short answer
CVE-2015-1635 affects n/a n/a and is rated critical (CVSS 9.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2022-02-10: attackers are using it, so patch it first. The vendor has linked a patch.
What it is
HTTP.sys in Microsoft Windows 7 SP1, Windows Server 2008 R2 SP1, Windows 8, Windows 8.1, and Windows Server 2012 Gold and R2 allows remote attackers to execute arbitrary code via crafted HTTP requests, aka "HTTP.sys Remote Code Execution Vulnerability."
Weakness: CWE-94.
Severity
9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploited (CISA KEV)
Yes, since Feb 10, 2022
Federal due date Aug 10, 2022
EPSS, next 30 days
100%
Higher than 100% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- 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
n/a. NVD's record lists the exact affected versions.
References
- docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-034 PatchVendor Advisory
- www.exploit-db.com/exploits/36773/ ExploitThird Party AdvisoryVDB Entry
- www.exploit-db.com/exploits/36776/ ExploitThird Party AdvisoryVDB Entry
- docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-034 PatchVendor Advisory
- www.exploit-db.com/exploits/36773/ ExploitThird Party AdvisoryVDB Entry
- www.exploit-db.com/exploits/36776/ ExploitThird Party AdvisoryVDB Entry
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-1635 US Government Resource
Questions
Is CVE-2015-1635 being exploited?
Yes. CISA added CVE-2015-1635 to its Known Exploited Vulnerabilities catalog on 2022-02-10, with a federal remediation due date of 2022-08-10.
How do I fix CVE-2015-1635?
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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