HOMEVULNERABILITIESCVE-2002-0671
CRITICAL

CVE-2002-0671

CWE-494Published: July 23, 2002· Updated: Jun 16, 2026

9.8
CVSS v3.1

Official Description

Pingtel xpressa SIP-based voice-over-IP phone 1.2.5 through 1.2.7.4 downloads phone applications from a web site but can not verify the integrity of the applications, which could allow remote attackers to install Trojan horse applications via DNS spoofing.

NVD Source

Technical Analysis

CVE-2002-0671 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), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

pingtel2 product(s)
xpressa firmwarexpressa
Source: NVD CPE · 3 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

ADVISORYhttp://www.pingtel.com/PingtelAtStakeAdvisoryResponse.jsp
ADVISORYhttp://www.securityfocus.com/bid/5224
ADVISORYhttp://www.pingtel.com/PingtelAtStakeAdvisoryResponse.jsp
ADVISORYhttp://www.securityfocus.com/bid/5224

All References (8)

→
http://www.atstake.com/research/advisories/2002/a071202-1.txtBroken Link
→
http://www.iss.net/security_center/static/9566.phpBroken Link
→
http://www.pingtel.com/PingtelAtStakeAdvisoryResponse.jspBroken Link · Vendor Advisory
→
http://www.securityfocus.com/bid/5224Broken Link · Third Party Advisory · VDB Entry
→
http://www.atstake.com/research/advisories/2002/a071202-1.txtBroken Link
→
http://www.iss.net/security_center/static/9566.phpBroken Link
→
http://www.pingtel.com/PingtelAtStakeAdvisoryResponse.jspBroken Link · Vendor Advisory
→
http://www.securityfocus.com/bid/5224Broken Link · Third Party Advisory · VDB Entry

Quick Facts

CVE IDCVE-2002-0671
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-494
CISA KEVNo
Affected1 vendor(s)
PublishedJul 23, 2002

Related CVEs (CWE-494)

CVE-2020-1595
9.9
CVE-2020-1210
9.9
CVE-2026-27180
9.8
CVE-2024-27438
9.8
CVE-2020-7873
9.8
CVE-2023-45799
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2002-0671 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.
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