How severe is CVE-2015-2285?

CVE-2015-2285 has a CVSS 2.0 base score of 7.2, rated high severity.

Is CVE-2015-2285 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-2285?

CVE-2015-2285 primarily affects Ubuntu Upstart. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-2285?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2015-2285 published?

CVE-2015-2285 was published on 2015-03-12 and last updated on 2026-06-17.

CVE-2015-2285

CVE-2015-2285 is a high-severity vulnerability in Ubuntu Upstart with a CVSS 2.0 base score of 7.2. 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-19.

Key facts

Severity: High (CVSS 2.0 base score 7.2)
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-19
Affected product: Ubuntu Upstart
Published: 2015-03-12
Last modified: 2026-06-17

Description

The logrotation script (/etc/cron.daily/upstart) in the Ubuntu Upstart package before 1.13.2-0ubuntu9, as used in Ubuntu Vivid 15.04, allows local users to execute arbitrary commands and gain privileges via a crafted file in /run/user/*/upstart/sessions/.

Frequently asked questions

What is CVE-2015-2285?: The logrotation script (/etc/cron.daily/upstart) in the Ubuntu Upstart package before 1.13.2-0ubuntu9, as used in Ubuntu Vivid 15.04, allows local users to execute arbitrary commands and gain privileges via a crafted file in /run/user/*/upstart/sessions/.
How severe is CVE-2015-2285?: CVE-2015-2285 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2015-2285 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-2285?: CVE-2015-2285 primarily affects Ubuntu Upstart. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-2285?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2015-2285 published?: CVE-2015-2285 was published on 2015-03-12 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:ubuntu:upstart:*:*:*:*:*:*:*:*
cpe:2.3:a:ubuntu:vivid:15.04:*:*:*:*:*:*:*

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