How severe is CVE-2015-3243?

CVE-2015-3243 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2015-3243 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-3243?

CVE-2015-3243 affects Rsyslog. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-3243?

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

When was CVE-2015-3243 published?

CVE-2015-3243 was published on 2017-07-25 and last updated on 2026-06-17.

CVE-2015-3243

CVE-2015-3243 is a medium-severity vulnerability in Rsyslog with a CVSS 3.x base score of 5.5. 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-532.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 2.1
EPSS exploit prediction: 0% (36th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-532
Affected product: Rsyslog
Published: 2017-07-25
Last modified: 2026-06-17

Description

rsyslog uses weak permissions for generating log files, which allows local users to obtain sensitive information by reading files in /var/log/cron.

Frequently asked questions

What is CVE-2015-3243?: rsyslog uses weak permissions for generating log files, which allows local users to obtain sensitive information by reading files in /var/log/cron.
How severe is CVE-2015-3243?: CVE-2015-3243 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2015-3243 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (36th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-3243?: CVE-2015-3243 affects Rsyslog. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-3243?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-3243 published?: CVE-2015-3243 was published on 2017-07-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:rsyslog:rsyslog:-:*:*:*:*:*:*:*

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