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Unrated severityNVD Advisory· Published Jan 7, 2003· Updated Apr 16, 2026

CVE-2002-0629

CVE-2002-0629

Description

The Polycom ViewStation Telnet service before 7.2.4 crashes due to multiple concurrent connections, enabling a denial-of-service attack.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

The Polycom ViewStation Telnet service before 7.2.4 crashes due to multiple concurrent connections, enabling a denial-of-service attack.

Vulnerability

The Telnet service in Polycom ViewStation versions before 7.2.4 contains a flaw that causes the service to crash when an attacker establishes multiple concurrent connections. The vulnerability exists in the network-facing Telnet daemon, which does not properly handle the resource exhaustion from simultaneous sessions.

Exploitation

An attacker can exploit this vulnerability from a remote network position without requiring authentication or prior access. The attack involves initiating multiple Telnet connections to the vulnerable service on the target device. The exact number of connections needed to trigger the crash is not specified in the available references, but the attacker can simply script a series of connection attempts.

Impact

Successful exploitation results in a denial of service (DoS) condition where the Telnet service crashes, rendering the device's remote administration capability unavailable. The crash does not necessarily lead to full device compromise, but it disrupts management access and may require a reboot to restore service.

Mitigation

The vulnerability is fixed in Polycom ViewStation version 7.2.4 and later, as per the vendor's advisory [1]. Users should update their devices to this version or a newer release. No workarounds are documented in the available references.

References
  1. HP Poly Video & Voice Solutions - Formerly Polycom & Plantronics

AI Insight generated on May 24, 2026. Synthesized from this CVE's description and the cited reference URLs; citations are validated against the source bundle.

Affected products

16
  • Polycom/Viewstation Sp 3846 versions
    cpe:2.3:h:polycom:viewstation_128:6.5.1:*:*:*:*:*:*:*+ 5 more
    • cpe:2.3:h:polycom:viewstation_128:6.5.1:*:*:*:*:*:*:*
    • cpe:2.3:h:polycom:viewstation_128:7.2:*:*:*:*:*:*:*
    • cpe:2.3:h:polycom:viewstation_h.323:6.5.1:*:*:*:*:*:*:*
    • cpe:2.3:h:polycom:viewstation_h.323:7.2:*:*:*:*:*:*:*
    • cpe:2.3:h:polycom:viewstation_sp_384:6.5.1:*:*:*:*:*:*:*
    • cpe:2.3:h:polycom:viewstation_sp_384:7.2:*:*:*:*:*:*:*
  • Polycom/Viewstation 5122 versions
    cpe:2.3:h:polycom:viewstation_512:6.5.1:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:h:polycom:viewstation_512:6.5.1:*:*:*:*:*:*:*
    • cpe:2.3:h:polycom:viewstation_512:7.2:*:*:*:*:*:*:*
  • Polycom/Viewstation Dcp2 versions
    cpe:2.3:h:polycom:viewstation_dcp:6.5.1:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:h:polycom:viewstation_dcp:6.5.1:*:*:*:*:*:*:*
    • cpe:2.3:h:polycom:viewstation_dcp:7.2:*:*:*:*:*:*:*
  • Polycom/Viewstation Fx Vs4000
    cpe:2.3:h:polycom:viewstation_fx_vs4000:4.1.5:*:*:*:*:*:*:*
  • Polycom/Viewstation Mp3 versions
    cpe:2.3:h:polycom:viewstation_mp:6.5.1:*:*:*:*:*:*:*+ 2 more
    • cpe:2.3:h:polycom:viewstation_mp:6.5.1:*:*:*:*:*:*:*
    • cpe:2.3:h:polycom:viewstation_mp:7.2:*:*:*:*:*:*:*
    • (no CPE)range: <7.2.4
  • Polycom/Viewstation V.352 versions
    cpe:2.3:h:polycom:viewstation_v.35:6.5.1:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:h:polycom:viewstation_v.35:6.5.1:*:*:*:*:*:*:*
    • cpe:2.3:h:polycom:viewstation_v.35:7.2:*:*:*:*:*:*:*

Patches

0

No patches discovered yet.

Vulnerability mechanics

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References

5

News mentions

0

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