CVE-2005-4197

Nortel SSL VPN 4.2.1.6 - Command Injection

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2005-4197. PoCs published by Daniel Fabian.

AI-analyzed exploit summary This exploit leverages an input validation vulnerability in Nortel SSL VPN to execute arbitrary commands via a crafted URL. The PoC demonstrates command injection by writing a test file to the target system.

Description

tunnelform.yaws in Nortel SSL VPN 4.2.1.6 allows remote attackers to execute arbitrary commands via a link in the a parameter, which is executed with extra privileges in a cryptographically signed Java Applet.

Exploits (1)

exploitdb WORKING POC VERIFIED
by Daniel Fabian · textwebappscgi
https://www.exploit-db.com/exploits/26771

This exploit leverages an input validation vulnerability in Nortel SSL VPN to execute arbitrary commands via a crafted URL. The PoC demonstrates command injection by writing a test file to the target system.

Classification
Working Poc 90%
Attack Type
Rce
Complexity
Trivial
Reliability
Reliable
Target: Nortel SSL VPN 4.2.1.6
No auth needed
Prerequisites: Network access to the vulnerable SSL VPN server
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (6)

Core 6
Core References
Exploit x_refsource_misc
http://www.sec-consult.com/247.html
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/17974
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/15798
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://securitytracker.com/id?1015341
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/419263/100/0/threaded
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2005/2845

Scores

EPSS 0.1185
EPSS Percentile 95.6%

Details

Status published
Products (3)
nortel/ssl_vpn 4.1.2.11
nortel/ssl_vpn 4.1.2.12
nortel/ssl_vpn < 4.2.1.6
Published Dec 13, 2005
Tracked Since Feb 18, 2026