CVE-2015-1635
Confirmed PUBLISHEDHTTP.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...
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
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."
- CVE Published
- Apr 14, 2015
- Exploitation Reported
- Feb 10, 2022
- CVSS
- 9.8 Critical
- EPSS
- —
Affected Versions
| Vendor | Product | Version | Status |
|---|---|---|---|
| n/a |
n/a
|
n/a |
Affected |
CVE References
- MS15-034 docs.microsoft.com · Vendor Advisory https://docs.microsoft.com/en-us/security-updates/securitybulletins/2...
- 36773 exploit-db.com · Exploit https://www.exploit-db.com/exploits/36773/
- 36776 exploit-db.com · Exploit https://www.exploit-db.com/exploits/36776/
- 120629 osvdb.org · VDB Entry http://www.osvdb.org/120629
- 1032109 securitytracker.com · VDB Entry http://www.securitytracker.com/id/1032109
Show 2 more references
- 74013 securityfocus.com · VDB Entry http://www.securityfocus.com/bid/74013
- packetstormsecurity.com/files/131463/Microsoft-Windows-HTTP.sys-Proo... packetstormsecurity.com · CVE Record http://packetstormsecurity.com/files/131463/Microsoft-Windows-HTTP.sy...
Recommended Actions
- Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
- Check enrichment artifacts for scanner coverage and available PoCs before rolling remediation validation.
- Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.
Known Exploited Vulnerability Sources
Catalogues that list this CVE as a known exploited vulnerability.
Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| CISA First | 2022-02-10 00:00 UTC |
Scanner Artifacts
Nuclei and Metasploit references linked to this CVE.
| Scanner | Reference | Detected |
|---|---|---|
| Nuclei | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2015/CVE-2015-1635.yaml | Apr 25, 2025 |
Virtual Patch
Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.
KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.
Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.
CVSS Scores
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:N/C:C/I:C/A:C
Exploitation Status
Exploited in the wild
Recorded 2022-02-10 00:00:00 UTC · CISA
Proof of concept available
Recorded 2015-04-16 07:31:47 UTC · GitHub
Weaknesses (CWE)
-
Improper Control of Generation of Code ('Code Injection')
Scanner Integrations
| Scanner | Reference | Detected |
|---|---|---|
| Nuclei | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2015/CVE-2015-1635.yaml | Apr 25, 2025 |
Potential Proof of Concepts
These PoCs are unverified and could contain malware. Use at your own risk.
github · Created 2024-05-28 10:41:07 UTC · 0 stars
Microsoft Windows 'HTTP.sys' - Remote Code Execution
github · Created 2022-04-17 16:48:44 UTC · 1 stars
CVE-2015-1635-POC，指定IP与端口验证HTTP.sys漏洞是否存在
github · Created 2021-07-12 00:37:54 UTC · 0 stars
github · Created 2021-07-12 00:23:30 UTC · 2 stars
github · Created 2018-08-02 11:28:14 UTC · 1 stars
MS15-034: HTTP.sys (IIS) DoS
github · Created 2018-06-20 14:28:11 UTC · 7 stars
MS15-034 HTTP.sys 远程执行代码检测脚本（MS15-034 HTTP.sys remote execution code poc script）
github · Created 2015-04-16 07:31:47 UTC · 2 stars
CVE-2015-1635,MS15-034
nuclei · Created Unknown
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
00:00 UTC about 1 year ago00:00 UTC · about 1 year ago
Nuclei template available
Scanner coverage available
-
00:00 UTC over 4 years ago00:00 UTC · over 4 years ago
Added to CISA KEV
Listed in the CISA Known Exploited Vulnerabilities catalog
-
07:31 UTC over 11 years ago07:31 UTC · over 11 years ago
Public PoC available
Public proof-of-concept code published
-
20:00 UTC over 11 years ago20:00 UTC · over 11 years ago
CVE published
Vulnerability disclosed publicly
-
00:00 UTC over 11 years ago00:00 UTC · over 11 years ago
CVE ID reserved
Identifier reserved by the CNA
Automate This Intelligence with the Pro API
Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
Pro API Example
GET /api/v2/pro/kevs/CVE-2015-1635
{
"cve_id": "CVE-2015-1635",
"title": "HTTP.sys in Microsoft Windows 7 SP1, Windows Server 2008 R2 SP1, Windows 8, W...",
"affected_vendor": "Microsoft",
"affected_product": "Windows",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "Confirmed",
"cvss_score": 9.8,
"epss_score": null,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}