How severe is CVE-2015-5673?

CVE-2015-5673 has a CVSS 2.0 base score of 6.5, rated medium severity.

Is CVE-2015-5673 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-5673?

CVE-2015-5673 affects Isucon Isucon 5 Qualifier Eventapp. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-5673?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2015-5673 published?

CVE-2015-5673 was published on 2015-11-04 and last updated on 2026-06-17.

CVE-2015-5673

CVE-2015-5673 is a medium-severity vulnerability in Isucon Isucon 5 Qualifier Eventapp with a CVSS 2.0 base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: Medium (CVSS 2.0 base score 6.5)
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Isucon Isucon 5 Qualifier Eventapp
Published: 2015-11-04
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2015-5673?: CVE-2015-5673 has a CVSS 2.0 base score of 6.5, rated medium severity.
Is CVE-2015-5673 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-5673?: CVE-2015-5673 affects Isucon Isucon 5 Qualifier Eventapp. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-5673?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-5673 published?: CVE-2015-5673 was published on 2015-11-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:isucon:isucon_5_qualifier_eventapp:-:*:*:*:*:*:*:*

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