HIGH
CVE-2002-0628
CWE-307Published: January 7, 2003· Updated: Jun 16, 2026
7.5
CVSS v3.1
Official 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.
Technical Analysis
CVE-2002-0628 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 7.5.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected Vendors & Products
polycom8 product(s)
viewstation 128viewstation 512viewstation dcpviewstation fx vs4000viewstation h.323viewstation mpviewstation sp 384viewstation v.35
Source: NVD CPE · 15 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (12)
→
http://www.ciac.org/ciac/bulletins/m-123.shtmlBroken Link · Patch · Vendor Advisory
→
http://www.iss.net/security_center/static/9349.phpBroken Link · Vendor Advisory
→
http://www.securityfocus.com/bid/5635Broken Link · Third Party Advisory · VDB Entry · Vendor Advisory
→
https://exchange.xforce.ibmcloud.com/vulnerabilities/44241Third Party Advisory · VDB Entry
→
http://www.ciac.org/ciac/bulletins/m-123.shtmlBroken Link · Patch · Vendor Advisory
→
http://www.iss.net/security_center/static/9349.phpBroken Link · Vendor Advisory
→
http://www.securityfocus.com/bid/5635Broken Link · Third Party Advisory · VDB Entry · Vendor Advisory
→
https://exchange.xforce.ibmcloud.com/vulnerabilities/44241Third Party Advisory · VDB Entry
Quick Facts
CVE IDCVE-2002-0628
CVSS Score7.5 / 10
SeverityHIGH
WeaknessCWE-307
CISA KEVNo
Affected1 vendor(s)
PublishedJan 7, 2003
Related CVEs (CWE-307)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2002-0628 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.