Back
CVE-2015-7519
agent/Core/Controller/SendRequest.cpp in Phusion Passenger before 4.0.60 and 5.0.x before 5.0.22, when used in Apache integration mode or…
Low3.7EPSS 2.4%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
agent/Core/Controller/SendRequest.cpp in Phusion Passenger before 4.0.60 and 5.0.x before 5.0.22, when used in Apache integration mode or in standalone mode without a filtering proxy, allows remote attackers to spoof headers passed to applications by using an _ (underscore) character instead of a - (dash) character in an HTTP header, as demonstrated by an X_User header.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Low3.7 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N |
- EPSS (exploitation in 30 days)
- 2.4% · top 16% of all CVEs (4 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 3.7.
Weakness
Affected products
n/a
- affected n/a
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- RubyGemspassengerGHSA-fxwv-953p-7qpf (opens in a new tab)
References (8)
- SUSE-SU-2015:2337 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- https://github.com/phusion/passenger/commit/ddb8ecc4ebf260e4967f57f271d4f5761abeac3e (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://blog.phusion.nl/2015/12/07/cve-2015-7519/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://puppet.com/security/cve/passenger-dec-2015-security-fixes (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20151207 injecting environment variables into Phusion Passenger (CVE-2015-7519) (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://bugzilla.suse.com/show_bug.cgi?id=956281 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20151207 CVE-2015-7519: Phusion Passenger Header overwriting issue (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [debian-lts-announce] 20180627 [SECURITY] [DLA 1399-1] ruby-passenger security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
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)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-fxwv-953p-7qpf (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2015-7519)Record last updated .