CRITICAL
CVE-2008-4690
NVD-CWE-noinfoPublished: October 22, 2008· Updated: Jun 16, 2026
10.0
CVSS v3.1
Official Description
lynx 2.8.6dev.15 and earlier, when advanced mode is enabled and lynx is configured as a URL handler, allows remote attackers to execute arbitrary commands via a crafted lynxcgi: URL, a related issue to CVE-2005-2929. NOTE: this might only be a vulnerability in limited deployments that have defined a lynxcgi: handler.
Technical Analysis
CVE-2008-4690 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.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityC
IntegrityC
AvailabilityC
AV:N/AC:L/Au:N/C:C/I:C/A:C
Affected Vendors & Products
lynx1 product(s)
lynx
Source: NVD CPE · 7 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
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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 (26)
→
http://secunia.com/advisories/32416Vendor Advisory
→
http://www.redhat.com/support/errata/RHSA-2008-0965.htmlVendor Advisory
→
http://secunia.com/advisories/32416Vendor Advisory
Quick Facts
CVE IDCVE-2008-4690
CVSS Score10.0 / 10
SeverityCRITICAL
WeaknessNVD-CWE-noinfo
CISA KEVNo
Affected1 vendor(s)
PublishedOct 22, 2008
Related CVEs (NVD-CWE-noinfo)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2008-4690 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.