How severe is CVE-2015-4220?

CVE-2015-4220 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2015-4220 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-4220?

CVE-2015-4220 affects Cisco Unified Presence Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-4220?

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

When was CVE-2015-4220 published?

CVE-2015-4220 was published on 2015-06-25 and last updated on 2026-06-17.

CVE-2015-4220

CVE-2015-4220 is a medium-severity vulnerability in Cisco Unified Presence Server 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-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Cisco Unified Presence Server
Published: 2015-06-25
Last modified: 2026-06-17

Description

Cross-site scripting (XSS) vulnerability in Cisco Unified Presence Server 9.1(1) allows remote attackers to inject arbitrary web script or HTML via an unspecified value, aka Bug ID CSCuq03773.

Frequently asked questions

What is CVE-2015-4220?: Cross-site scripting (XSS) vulnerability in Cisco Unified Presence Server 9.1(1) allows remote attackers to inject arbitrary web script or HTML via an unspecified value, aka Bug ID CSCuq03773.
How severe is CVE-2015-4220?: CVE-2015-4220 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2015-4220 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (80th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-4220?: CVE-2015-4220 affects Cisco Unified Presence Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-4220?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-4220 published?: CVE-2015-4220 was published on 2015-06-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:cisco:unified_presence_server:9.1\(1\):*:*:*:*:*:*:*

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