HOMEVULNERABILITIESCVE-2008-5697
MEDIUMPOC

CVE-2008-5697

NVD-CWE-OtherPublished: December 22, 2008· Updated: Jun 16, 2026

4.3
CVSS v3.1

Official Description

The skype_tool.copy_num method in the Skype extension BETA 2.2.0.95 for Firefox allows remote attackers to write arbitrary data to the clipboard via a string argument.

NVD Source

Technical Analysis

CVE-2008-5697 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A proof-of-concept (PoC) exploit exists for CVE-2008-5697. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityM
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityP
IntegrityNone
AvailabilityNone
AV:N/AC:M/Au:N/C:P/I:N/A:N

Affected Vendors & Products

Mozilla1 product(s)
firefox
skype1 product(s)
skype extension for firefox
Source: NVD CPE · 2 total CPE entries

Exploit & PoC Resources

POC AVAILABLEProof-of-concept code exists
External links open in a new tab. Always verify in a controlled environment before use.

All References (8)

Quick Facts

CVE IDCVE-2008-5697
CVSS Score4.3 / 10
SeverityMEDIUM
CISA KEVNo
ExploitPOC
Affected2 vendor(s)
PublishedDec 22, 2008

Related CVEs (NVD-CWE-Other)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2008-5697 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.