VulnerabilityModified
CVE-2004-2621
Nortel Contivity VPN Client 2.1.7, 3.00, 3.01, 4.91, and 5.01, when opening a VPN tunnel, does not check the gateway certificate until after a dialog box has been displayed to the user, which creates a race condition that allows remote attackers to…
MEDIUM 4.0EPSS 0.75%
Does this matter?
Lower severity and a low EPSS score (0.75%). Track it; it rarely justifies an emergency change on its own.
Description
Nortel Contivity VPN Client 2.1.7, 3.00, 3.01, 4.91, and 5.01, when opening a VPN tunnel, does not check the gateway certificate until after a dialog box has been displayed to the user, which creates a race condition that allows remote attackers to perform a man-in-the-middle (MITM) attack.
- CVSS 2.0
- 4.0 MEDIUMAV:N/AC:H/Au:N/C:P/I:P/A:N
- EPSS
- 0.75% probability · 53th percentile
- CISA KEV
- Not listed
- Affected
- nortel/contivity
- Source
- cve@mitre.org
References
- http://secunia.com/advisories/12881Vendor Advisory
- http://securitytracker.com/id?1011846
- http://www.osvdb.org/11002
- http://www.securityfocus.com/bid/11495
- http://www130.nortelnetworks.com/cgi-bin/eserv/cs/main.jsp?level=6&category=8&subcategory=6&subtype=&DocumentOID=276620&RenditionID=REND159588
- https://exchange.xforce.ibmcloud.com/vulnerabilities/17812
- http://secunia.com/advisories/12881Vendor Advisory
- http://securitytracker.com/id?1011846
- http://www.osvdb.org/11002
- http://www.securityfocus.com/bid/11495
- http://www130.nortelnetworks.com/cgi-bin/eserv/cs/main.jsp?level=6&category=8&subcategory=6&subtype=&DocumentOID=276620&RenditionID=REND159588
- https://exchange.xforce.ibmcloud.com/vulnerabilities/17812
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.