The web interface in Cisco Unified Videoconferencing (UVC) System 3545, 5110, 5115, and 5230; Unified Videoconferencing 3527 Primary Rate I…

published 2010-11-22 15y ago modified 2026-06-16 4mo ago also EUVD-2010-4277

cvss: 6.4; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.2%; EPSS 1.2% chance of exploitation in 30 days, percentile 67%
public exploits: 0; none known

The web interface in Cisco Unified Videoconferencing (UVC) System 3545, 5110, 5115, and 5230; Unified Videoconferencing 3527 Primary Rate Interface (PRI) Gateway; Unified Videoconferencing 3522 Basic Rate Interfaces (BRI) Gateway; and Unified Videoconferencing 3515 Multipoint Control Unit (MCU) uses predictable session IDs based on time values, which makes it easier for remote attackers to hijack sessions via a brute-force attack, aka Bug ID CSCti54048.

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Exploit prediction

1.17% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	2.0	6.4	AV:N/AC:L/Au:N/C:P/I:P/A:N

Classification

Weakness

CWE-310 Cryptographic Issues

References

cisco.com /en/US/products/products_security_response09186a0080b56d0d.html
vendor-advisory
trustmatta.com /advisories/MATTA-2010-001.txt
seclists.org /fulldisclosure/2010/Nov/167
mailing-list

Sources

CVE List CVE-2010-4304
NVD CVE-2010-4304

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.