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CVE-2008-5001

26
FAUCET Score

CVE-2008-5001 describes multiple stack-based buffer overflows in UltraVNC vncviewer versions 1.0.2 and 1.0.4 (before 01252008) when in LISTENING mode or using the DSM plugin. This vulnerability allows remote attackers to cause a denial of service and potentially execute arbitrary code through unspecified parameters. With a CVSS score of 9.3, it is considered critical due to its network attack vector, medium attack complexity, and complete impact on confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.0.2CPE matchmatch criteria
cpe:2.3:a:ultravnc:ultravnc:1.0.2:*:*:*:*:*:*:*
1.0.4CPE matchmatch criteria
cpe:2.3:a:ultravnc:ultravnc:1.0.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

AV:N/AC:M/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
5.59%
Probability of exploitation in next 30 days
EPSS Percentile
92.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0559 is in the 62nd percentile among its peer group of 8,914 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

forum.ultravnc.info / viewtopic.php
Vendor Advisory
secunia.com / advisories/28804
Vendor Advisory
sourceforge.net / project/shownotes.php
ultravnc.svn.sourceforge.net / viewvc/ultravnc/UltraVNC%20Project%20Root/UltraVNC/vncviewer/FileTransfer.cpp
securityfocus.com / bid/27687
vupen.com / english/advisories/2008/0486