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CVE-2010-0464

20
FAUCET Score

CVE-2010-0464 describes a vulnerability in Roundcube webmail versions 0.3.1 and earlier, where the application fails to prevent web browsers from performing DNS prefetching of domain names found in email messages. This oversight allows remote attackers to potentially discover the webmail user's network location by monitoring DNS requests. The vulnerability has a CVSS score of 5.0 (Medium), indicating a low attack complexity and no authentication required, with a potential impact of information disclosure (C:P). There is no evidence of active exploitation, nor are there known public exploit codes or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.3.1CPE matchmatch criteria
cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*
0.1CPE matchmatch criteria
cpe:2.3:a:roundcube:webmail:0.1:*:*:*:*:*:*:*
0.1CPE matchmatch criteria
cpe:2.3:a:roundcube:webmail:0.1:20050811:*:*:*:*:*:*
0.1CPE matchmatch criteria
cpe:2.3:a:roundcube:webmail:0.1:20050820:*:*:*:*:*:*
0.1CPE matchmatch criteria
cpe:2.3:a:roundcube:webmail:0.1:20051007:*:*:*:*:*:*

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
1.96%
Probability of exploitation in next 30 days
EPSS Percentile
78.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0196 is in the 66th percentile among its peer group of 23,723 CVEs.

Social Chatter

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

Vendor Advisories (1)

redhatCVE-2010-0464Moderate

roundcubemail: privacy compromise via DNS prefetching in web mail

Jan 23, 2010

References

secure.grepular.com / DNS_Prefetch_Exposure_on_Thunderbird_and_Webmail
trac.roundcube.net / ticket/1486449
Patch
mandriva.com / security/advisories