4.3

CVE-2015-7519: phusionpassenger phusion_passenger Improper Input Validation

CVSS: 4.3v2.0MediumModified
AliasesSUSE-SU-2015:2337-1UBUNTU-CVE-2015-7519DEBIAN-CVE-2015-7519
Published 08-01-2016Last modified 06-08-2024
Open JSON

Vulnerability summary

CVE-2015-7519 is a medium (CVSS 4.3) Improper Input Validation vulnerability in phusionpassenger phusion_passenger. EPSS estimates a 2.36% chance of exploitation in the next 30 days, higher than 83.5% of scored vulnerabilities.

Overall risk
18/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v2.0 (NVD)
EPSS score
2.36%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 1
DLA-1399-1SUSE-SU-2016:0042-1

Timeline

  1. 08-01-2016
    PublishedVulnerability first disclosed.
  2. 06-08-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

2.36%

Chance of exploitation in the next 30 days

Percentile

84%

Versus all other CVEs

30-day change

0.00 pp

From 2.36% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.36%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • passenger< 5.0.22-1 | < 2.2.11debian-2+deb6u1
Phusionpassenger1 product
  • phusion_passenger≤ 4.0.59 | 5.0.0 | 5.0.0:beta1 | 5.0.0:beta2 | 5.0.0:beta3 | 5.0.0:rc1 | 5.0.0:rc2 | 5.0.1 | 5.0.2 | 5.0.3 | 5.0.4 | 5.0.5 | 5.0.6 | 5.0.7 | 5.0.8 | 5.0.9 | 5.0.10 | 5.0.11 | 5.0.12 | 5.0.13 | 5.0.14 | 5.0.15 | 5.0.16 | 5.0.17 | 5.0.18 | 5.0.19 | 5.0.20 | 5.0.21
RubyGems1 product
  • passenger< 4.0.60 | ≥ 5.0.0, < 5.0.22
Suse1 product
  • rubygem-passenger&distro=SUSE Linux Enterprise Module for Containers 12< 5.0.18-6.1
Ubuntu1 product
  • passenger< 5.0.22-1

5 vendors · 5 products

References

20 links
Show all 20 references