CVE-2015-5673 — eventapp/lib/gcloud.rb in the ISUCON5 qualifier portal (aka eventapp) web application before 2015-10-30 makes improper popen calls, which allows remote attackers to execute arbitrary commands via an HTTP request that includes shell metacharacters in an argument to a "gcloud compute" command

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MEDIUM

eventapp/lib/gcloud.rb in the ISUCON5 qualifier portal (aka eventapp) web application before 2015-10-30 makes improper popen calls, which allows remote attackers to execute arbitrary commands via an HTTP request that includes shell metacharacters in an argument to a "gcloud compute" command

Published Nov 4, 2015

6.5

MEDIUM

CVSS 2.0

EPSS 2.45%

Description

eventapp/lib/gcloud.rb in the ISUCON5 qualifier portal (aka eventapp) web application before 2015-10-30 makes improper popen calls, which allows remote attackers to execute arbitrary commands via an HTTP request that includes shell metacharacters in an argument to a "gcloud compute" command.

Affected products

Remediation

No remediation recorded yet.

Metrics

2.45% 0.02454

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.02454

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (12 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	2.45% (0.02454)	83.83th	v5 (v2026.06.15)
Jun 15, 2026	2.45% (0.02454)	82.24th	v5 (v2026.06.15)
Mar 17, 2025	0.39% (0.00387)	57.82th	v4 (v2025.03.14)
Dec 17, 2024	1.37% (0.01369)	85.96th	v3 (v2023.03.01)
Oct 11, 2024	2.71% (0.02711)	90.70th	v3 (v2023.03.01)
May 18, 2023	3.79% (0.03792)	90.51th	v3 (v2023.03.01)
Apr 15, 2023	3.69% (0.03686)	90.34th	v3 (v2023.03.01)
Mar 7, 2023	2.63% (0.02634)	88.69th	v3 (v2023.03.01)
Mar 6, 2023	1.13% (0.01132)	56.11th	v2 (v2022.01.01)
Sep 22, 2022	1.13% (0.01132)	54.59th	v2 (v2022.01.01)
Apr 1, 2022	1.13% (0.01132)	52.58th	v2 (v2022.01.01)
Feb 4, 2022	1.13% (0.01132)	30.65th	v2 (v2022.01.01)

Weaknesses (1)

CWE-78

OS Command Injection

References (4)

http://jvn.jp/en/jp/JVN04281281/index.html
third-party-advisoryx_refsource_JVNVendor Advisory
http://jvndb.jvn.jp/jvndb/JVNDB-2015-000175
third-party-advisoryx_refsource_JVNDBVendor Advisory
https://github.com/isucon/isucon5-qualify/commit/150e3e6d851acb31a0b15ce93380a7dab14203fa
x_refsource_CONFIRM
https://github.com/isucon/isucon5-qualify/pull/5
x_refsource_CONFIRM

Link	Providers	Tags
http://jvn.jp/en/jp/JVN04281281/index.html		third-party-advisoryx_refsource_JVNVendor Advisory
http://jvndb.jvn.jp/jvndb/JVNDB-2015-000175		third-party-advisoryx_refsource_JVNDBVendor Advisory
https://github.com/isucon/isucon5-qualify/commit/150e3e6d851acb31a0b15ce93380a7dab14203fa		x_refsource_CONFIRM
https://github.com/isucon/isucon5-qualify/pull/5		x_refsource_CONFIRM

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner jpcert

Published Nov 4, 2015

Updated Aug 6, 2024

Reserved Jul 24, 2015

Link CVE-2015-5673

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2015-5673

Red Hat

Severity n/a

Public date n/a

Links CVE-2015-5673