CVE-2015-0016
Directory traversal vulnerability in the TS WebProxy (aka TSWbPrxy) component in Microsoft Windows Vista SP2, Windows 7 SP1, Windows…
- 7.8HighCVSS base score
- 75.8%Exploitation in 30 daysEPSS · top 0.5% of all CVEs
- YesKnown exploitedin CISA's KEV since 25 May 2022
- 2Public exploitsMetasploit, Nuclei and Exploit-DB
Description
Directory traversal vulnerability in the TS WebProxy (aka TSWbPrxy) component in Microsoft Windows Vista SP2, Windows 7 SP1, Windows Server 2008 R2 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 allows remote attackers to gain privileges via a crafted pathname in an executable file, as demonstrated by a transition from Low Integrity to Medium Integrity, aka "Directory Traversal Elevation of Privilege Vulnerability."
Exploited in the wild
CISA lists this vulnerability in its Known Exploited Vulnerabilities catalog as Microsoft Windows TS WebProxy Directory Traversal Vulnerability.
- Added
- 25 May 2022
- Fix due (US federal)
- 15 Jun 2022
- Used by ransomware
- Not known
Apply updates per vendor instructions.
ENISA's EU Vulnerability Database lists it as exploited, from CISA's KEV, since 25 May 2022.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list a Metasploit module and an Exploit-DB entry for it. A reference of the record is tagged as an exploit. CISA's SSVC rates its exploitation: it is being exploited.
Show the exploits3
Metasploit modules1 module
- MS15-004 Microsoft Remote Desktop Services Web Proxy IE Sandbox Escape (Metasploit module) (opens in a new tab)
exploit/windows/local/ms15_004_tswbproxyRank gooddisclosed 13 Jan 2015
Exploit-DB1 entry
- Microsoft Remote Desktop Services - Web Proxy IE Sandbox Escape (MS15-004) (Metasploit) (Exploit-DB entry) (opens in a new tab)
EDB-ID 35983local, windowspublished 3 Feb 2015Verified
References tagged exploit1 reference
- 35983 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By microsoft
- 56 days later
· 56 days later
Published
- 7 years later
· 7 years later
Added to CISA KEV
Known exploited in the wild
- 3 years later
· 3 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVDNVD · Analyzed | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 75.8% · top 0.5% of all CVEs (10 Nov 2026)
- CISA SSVC
- Exploitation: active · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Affected products
n/a
- affected n/a
References
10
- 71965 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 1031524 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- ms-windows-cve20150016-priv-esc(99515) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- http://blog.trendmicro.com/trendlabs-security-intelligence/cve-2015-0016-escaping-the-internet-explorer-sandbox/ (opens in a new tab)x_refsource_MISCx_transferred
- win-ms15kb3025421-update(99516) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 35983 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- 62076 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://packetstormsecurity.com/files/130201/MS15-004-Microsoft-Remote-Desktop-Services-Web-Proxy-IE-Sandbox-Escape.html (opens in a new tab)x_refsource_MISCx_transferred
- MS15-004 (opens in a new tab)vendor-advisoryx_refsource_MSx_transferred
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-0016 (opens in a new tab)government-resource
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- CISA KEV catalog (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2015-0054 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2015-0016)Record last updated .