Vulnerability Report

CVE-1999-1549

Title: Lynx 2.x internal/external HTML distinction allows local command execution

Other

Proof Of Concept

No public PoC currently indexed for CVE-1999-1549.

CWE Category CWE-346
Published Date Nov 16, 1999
Modified Date Jun 16, 2026
Exploit Status Not Found
Score 7.8 CVSS v3.1
Exploit Probability (EPSS)
0.58%

Vulnerability Summary

CVE-1999-1549: Lynx 2.x does not properly distinguish between internal and external HTML, which may allow a local attacker to read a "secure" hidden form value from a temporary file and craft a LYNXOPTIONS: URL that causes Lynx to modify the user's configuration file and execute commands.

Impacted Vendors

U
university_of_kansas 1
L
lynx_project 1
I
invisible-island 1

Reference Links

http://marc.info/?l=bugtraq&m=94286509804526&w=2 http://www.securityfocus.com/bid/804 http://marc.info/?l=bugtraq&m=94286509804526&w=2 http://www.securityfocus.com/bid/804
CVSS v3.1
Source Entity [email protected]
Severity HIGH
7.8
Attack Vector
LOCAL
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
5.0
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:N/C:P/I:N/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-1999-1549 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector LOCAL
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.