How severe is CVE-2015-5646?

CVE-2015-5646 has a CVSS 2.0 base score of 8.5, rated high severity.

Is CVE-2015-5646 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-5646?

CVE-2015-5646 primarily affects Cybozu Garoon. In total, 24 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-5646?

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-2015-5646 published?

CVE-2015-5646 was published on 2015-10-12 and last updated on 2026-06-17.

CVE-2015-5646

CVE-2015-5646 is a high-severity vulnerability in Cybozu Garoon with a CVSS 2.0 base score of 8.5. 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-94.

Key facts

Severity: High (CVSS 2.0 base score 8.5)
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-94
Affected product: Cybozu Garoon
Published: 2015-10-12
Last modified: 2026-06-17

Description

Cybozu Garoon 3.x through 3.7.5 and 4.x through 4.0.3 allows remote authenticated users to execute arbitrary PHP code via unspecified vectors, aka CyVDB-863 and CyVDB-867.

Frequently asked questions

What is CVE-2015-5646?: Cybozu Garoon 3.x through 3.7.5 and 4.x through 4.0.3 allows remote authenticated users to execute arbitrary PHP code via unspecified vectors, aka CyVDB-863 and CyVDB-867.
How severe is CVE-2015-5646?: CVE-2015-5646 has a CVSS 2.0 base score of 8.5, rated high severity.
Is CVE-2015-5646 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-5646?: CVE-2015-5646 primarily affects Cybozu Garoon. In total, 24 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-5646?: 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-2015-5646 published?: CVE-2015-5646 was published on 2015-10-12 and last updated on 2026-06-17.

References

Affected products (24)

cpe:2.3:a:cybozu:garoon:3.0.0:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.0.1:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.0.2:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.0.3:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.1.0:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.1.1:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.1.2:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.1.3:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.5.0:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.5.1:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.5.2:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.5.3:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.5.4:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.5.5:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.7.0:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.7.1:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.7.2:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.7.3:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.7.4:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:3.7.5:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:4.0.0:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:4.0.1:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:4.0.2:*:*:*:*:*:*:*
cpe:2.3:a:cybozu:garoon:4.0.3:*:*:*:*:*:*:*

More vulnerabilities in Cybozu Garoon

CVE-2014-1987 — Critical (CVSS 10.0): The CGI component in Cybozu Garoon 3.1.0 through 3.7 SP3 allows remote attackers to execute arbitrary commands via…
CVE-2019-5945 — Critical (CVSS 9.8): Cybozu Garoon 4.2.4 to 4.10.1 allow remote attackers to obtain the users' credential information via the authentication…
CVE-2016-1219 — Critical (CVSS 9.8): Cybozu Garoon before 4.2.2 allows remote attackers to bypass login authentication via vectors related to API use.
CVE-2024-31401 — Critical (CVSS 9.0): Cross-site scripting vulnerability in Cybozu Garoon 5.0.0 to 5.15.2 allows a remote authenticated attacker with an…
CVE-2018-0607 — High (CVSS 8.8): SQL injection vulnerability in the Notifications application in the Cybozu Garoon 3.5.0 to 4.6.2 allows remote…
CVE-2018-0530 — High (CVSS 8.8): SQL injection vulnerability in the Cybozu Garoon 3.5.0 to 4.2.6 allows remote authenticated attackers to execute…

All CVEs affecting Cybozu Garoon →

Other CWE-94 (Code Injection) vulnerabilities

CVE-2026-57624 — Critical (CVSS 10.0): Unauthenticated Remote Code Execution (RCE) in Blocksy Companion Pro <= 2.1.46 versions.
CVE-2026-10134 — Critical (CVSS 10.0): IBM Langflow OSS 1.0.0 through 1.9.3 allows an attacker to read every secret available to the Langflow process, read…
CVE-2026-53576 — Critical (CVSS 10.0): Kestra is an open-source, event-driven orchestration platform. Prior to 1.0.45 and 1.3.21, the authentication filter…
CVE-2026-10561 — Critical (CVSS 10.0): IBM Langflow OSS 1.0.0 through 1.9.3 has an vulnerability due to an improper isolation of Python execution combined…
CVE-2026-25470 — Critical (CVSS 10.0): Improper Control of Generation of Code ('Code Injection') vulnerability in ACPT ACPT (Pro) - Custom Post Types Plugin…
CVE-2026-48836 — Critical (CVSS 10.0): Unauthenticated Remote Code Execution (RCE) in Easy Invoice <= 2.1.19 versions.

Browse all CWE-94 (Code Injection) vulnerabilities →