How severe is CVE-2002-0628?

CVE-2002-0628 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2002-0628 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-2002-0628?

CVE-2002-0628 primarily affects Polycom Viewstation 128. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2002-0628?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2002-0628 published?

CVE-2002-0628 was published on 2003-01-07 and last updated on 2026-06-16.

CVE-2002-0628

CVE-2002-0628 is a high-severity vulnerability in Polycom Viewstation 128 with a CVSS 3.x base score of 7.5. 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-307.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (80th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-307
Affected product: Polycom Viewstation 128
Published: 2003-01-07
Last modified: 2026-06-16

Description

The Telnet service for Polycom ViewStation before 7.2.4 does not restrict the number of failed login attempts, which makes it easier for remote attackers to guess usernames and passwords via a brute force attack.

Frequently asked questions

What is CVE-2002-0628?: The Telnet service for Polycom ViewStation before 7.2.4 does not restrict the number of failed login attempts, which makes it easier for remote attackers to guess usernames and passwords via a brute force attack.
How severe is CVE-2002-0628?: CVE-2002-0628 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2002-0628 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-2002-0628?: CVE-2002-0628 primarily affects Polycom Viewstation 128. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2002-0628?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2002-0628 published?: CVE-2002-0628 was published on 2003-01-07 and last updated on 2026-06-16.

References

Affected products (15)

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_512:6.5.1:*:*:*:*:*:*:*
cpe:2.3:h:polycom:viewstation_512:7.2:*:*:*:*:*:*:*
cpe:2.3:h:polycom:viewstation_dcp:6.5.1:*:*:*:*:*:*:*
cpe:2.3:h:polycom:viewstation_dcp:7.2:*:*:*:*:*:*:*
cpe:2.3:h:polycom:viewstation_fx_vs4000:4.1.5:*:*:*:*:*:*:*
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_mp:6.5.1:*:*:*:*:*:*:*
cpe:2.3:h:polycom:viewstation_mp:7.2:*:*:*:*:*:*:*
cpe:2.3:h:polycom:viewstation_sp_384:6.5.1:*:*:*:*:*:*:*
cpe:2.3:h:polycom:viewstation_sp_384:7.2:*:*:*:*:*:*:*
cpe:2.3:h:polycom:viewstation_v.35:6.5.1:*:*:*:*:*:*:*
cpe:2.3:h:polycom:viewstation_v.35:7.2:*:*:*:*:*:*:*

More vulnerabilities in Polycom Viewstation 128

CVE-2002-0626 — Critical (CVSS 10.0): Polycom ViewStation before 7.2.4 has a default null password for the administrator account, which allows arbitrary…
CVE-2002-0627 — High (CVSS 7.5): The Web server for Polycom ViewStation before 7.2.4 allows remote attackers to bypass authentication and read files via…
CVE-2002-0630 — Medium (CVSS 5.0): The Telnet service for Polycom ViewStation before 7.2.4 allows remote attackers to cause a denial of service (crash)…
CVE-2002-0629 — Medium (CVSS 5.0): The Telnet service for Polycom ViewStation before 7.2.4 allows remote attackers to cause a denial of service (crash)…

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