How severe is CVE-2015-3251?

CVE-2015-3251 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2015-3251 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-2015-3251?

CVE-2015-3251 primarily affects Apache Cloudstack. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-3251?

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

When was CVE-2015-3251 published?

CVE-2015-3251 was published on 2016-02-08 and last updated on 2026-06-17.

CVE-2015-3251

CVE-2015-3251 is a medium-severity vulnerability in Apache Cloudstack with a CVSS 3.x base score of 4.9. 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-200.

Key facts

Severity: Medium (CVSS 3.x base score 4.9)
CVSS v2: 4.0
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Apache Cloudstack
Published: 2016-02-08
Last modified: 2026-06-17

Description

Apache CloudStack before 4.5.2 might allow remote authenticated administrators to obtain sensitive password information for root accounts of virtual machines via unspecified vectors related to API calls.

Frequently asked questions

What is CVE-2015-3251?: Apache CloudStack before 4.5.2 might allow remote authenticated administrators to obtain sensitive password information for root accounts of virtual machines via unspecified vectors related to API calls.
How severe is CVE-2015-3251?: CVE-2015-3251 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2015-3251 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-2015-3251?: CVE-2015-3251 primarily affects Apache Cloudstack. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-3251?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-3251 published?: CVE-2015-3251 was published on 2016-02-08 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:apache:cloudstack:4.4.4:*:*:*:*:*:*:*
cpe:2.3:a:apache:cloudstack:4.5.1:*:*:*:*:*:*:*

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