How severe is CVE-2015-4259?

CVE-2015-4259 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2015-4259 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-4259?

CVE-2015-4259 primarily affects Cisco Unified Computing System. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-4259?

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

When was CVE-2015-4259 published?

CVE-2015-4259 was published on 2015-07-10 and last updated on 2026-06-17.

CVE-2015-4259

CVE-2015-4259 is a medium-severity vulnerability in Cisco Unified Computing System with a CVSS 2.0 base score of 4.3. 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-310.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-310
Affected product: Cisco Unified Computing System
Published: 2015-07-10
Last modified: 2026-06-17

Description

The Integrated Management Controller on Cisco Unified Computing System (UCS) C servers with software 1.5(3) and 1.6(0.16) has a default SSL certificate, which makes it easier for man-in-the-middle attackers to bypass cryptographic protection mechanisms by leveraging knowledge of a private key, aka Bug IDs CSCum56133 and CSCum56177.

Frequently asked questions

What is CVE-2015-4259?: The Integrated Management Controller on Cisco Unified Computing System (UCS) C servers with software 1.5(3) and 1.6(0.16) has a default SSL certificate, which makes it easier for man-in-the-middle attackers to bypass cryptographic protection mechanisms by leveraging knowledge of a private key, aka Bug IDs CSCum56133 and CSCum56177.
How severe is CVE-2015-4259?: CVE-2015-4259 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2015-4259 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-4259?: CVE-2015-4259 primarily affects Cisco Unified Computing System. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-4259?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-4259 published?: CVE-2015-4259 was published on 2015-07-10 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:cisco:unified_computing_system:1.5\(3\):*:*:*:*:*:*:*
cpe:2.3:a:cisco:unified_computing_system:1.6\(0.16\):*:*:*:*:*:*:*

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