Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2005-2640

25
FAUCET Score

CVE-2005-2640 describes an information leak vulnerability in Juniper NetScreen VPN devices running ScreenOS 5.2.0 and earlier. This flaw allows remote attackers to enumerate valid usernames by observing behavioral discrepancies in IKE Aggressive Mode responses when using pre-shared key authentication. The vulnerability has a CVSS score of 5.0, indicating a medium severity, as it can be exploited remotely with low complexity to disclose sensitive information without requiring authentication. While not actively exploited in the wild, an exploit is publicly available on ExploitDB, though there is minimal community discussion or media coverage surrounding this older vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
3.0CPE matchmatch criteria
cpe:2.3:a:neoteris:instant_virtual_extranet:3.0:*:*:*:*:*:*:*
3.1CPE matchmatch criteria
cpe:2.3:a:neoteris:instant_virtual_extranet:3.1:*:*:*:*:*:*:*
3.2CPE matchmatch criteria
cpe:2.3:a:neoteris:instant_virtual_extranet:3.2:*:*:*:*:*:*:*
3.3CPE matchmatch criteria
cpe:2.3:a:neoteris:instant_virtual_extranet:3.3:*:*:*:*:*:*:*
3.3.1CPE matchmatch criteria
cpe:2.3:a:neoteris:instant_virtual_extranet:3.3.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

AV:N/AC:L/Au:N/C:P/I:N/A:N

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
7.09%
Probability of exploitation in next 30 days
EPSS Percentile
93.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
ExploitDB: EDB-26168 · Aug 18, 2005
This CVE's current EPSS score of 0.0709 is in the 91st percentile among its peer group of 23,701 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

marc.info
secunia.com / advisories/16474
Vendor Advisory
securitytracker.com / id
nta-monitor.com / news/vpn-flaws/juniper/netscreen/index.htm
ExploitVendor Advisory
securityfocus.com / bid/14595
Exploit