CVE-2015-4328

CVE-2015-4328 is a medium-severity vulnerability in Cisco Telepresence Video Communication Server Software with a CVSS 2.0 base score of 4.0. 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-20.

Key facts

• Severity: Medium (CVSS 2.0 base score 4.0)
• EPSS exploit prediction: 2% (78th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-20
• Affected product: Cisco Telepresence Video Communication Server Software
• Published: 2015-08-20
• Last modified: 2026-06-17

Description

Cisco TelePresence Video Communication Server (VCS) Expressway X8.5.2 improperly checks for a user account's read-only attribute, which allows remote authenticated users to execute arbitrary OS commands via crafted HTTP requests, as demonstrated by read or write operations on the Unified Communications lookup page, aka Bug ID CSCuv12552.

Frequently asked questions

What is CVE-2015-4328?

Cisco TelePresence Video Communication Server (VCS) Expressway X8.5.2 improperly checks for a user account's read-only attribute, which allows remote authenticated users to execute arbitrary OS commands via crafted HTTP requests, as demonstrated by read or write operations on the Unified Communications lookup page, aka Bug ID CSCuv12552.

How severe is CVE-2015-4328?

CVE-2015-4328 has a CVSS 2.0 base score of 4.0, rated medium severity.

Is CVE-2015-4328 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-4328?

CVE-2015-4328 affects Cisco Telepresence Video Communication Server Software. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-4328?

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

When was CVE-2015-4328 published?

CVE-2015-4328 was published on 2015-08-20 and last updated on 2026-06-17.

References

• http://tools.cisco.com/security/center/viewAlert.x?alertId=40522
• http://www.securityfocus.com/bid/76399
• http://www.securitytracker.com/id/1033329

Affected products (1)

• cpe:2.3:a:cisco:telepresence_video_communication_server_software:x8.5.2:*:*:*:expressway:*:*:*

More vulnerabilities in Cisco Telepresence Video Communication Server Software

• CVE-2015-0653 — Critical (CVSS 10.0): The management interface in Cisco TelePresence Video Communication Server (VCS) and Cisco Expressway before X7.2.4, X8…
• CVE-2015-0652 — High (CVSS 7.8): The Session Description Protocol (SDP) implementation in Cisco TelePresence Video Communication Server (VCS) and Cisco…
• CVE-2014-3368 — High (CVSS 7.8): Cisco TelePresence Video Communication Server (VCS) and Expressway Software before X8.2 allow remote attackers to cause…
• CVE-2015-4327 — High (CVSS 7.2): The CLI in Cisco TelePresence Video Communication Server (VCS) Expressway X8.5.2 allows local users to obtain root…
• CVE-2015-0772 — High (CVSS 7.1): Cisco TelePresence Video Communication Server (VCS) X8.5RC4 allows remote attackers to cause a denial of service (CPU…
• CVE-2014-3370 — High (CVSS 7.1): Cisco TelePresence Video Communication Server (VCS) and Expressway Software before X8.1.1 allow remote attackers to…

All CVEs affecting Cisco Telepresence Video Communication Server Software →

Other CWE-20 (Improper Input Validation) vulnerabilities

• CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
• CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
• CVE-2026-48277 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
• CVE-2026-48055 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download any video media. In versions 2.4.0 and…
• CVE-2026-34910 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS…
• CVE-2026-33587 — Critical (CVSS 10.0): Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and…

Browse all CWE-20 (Improper Input Validation) vulnerabilities →