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CVE-2010-3903

18
FAUCET Score

CVE-2010-3903 describes an unspecified vulnerability in OpenConnect versions prior to 2.23. This flaw allows remote AnyConnect SSL VPN servers to trigger a denial of service (application crash) in affected OpenConnect clients by sending a 404 HTTP status code. The vulnerability has a CVSS score of 5.0, indicating a medium severity, with low attack complexity and no authentication required, leading to a partial impact on availability. There is no evidence of active exploitation, and no public exploit code or significant community discussion has been identified for this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.22CPE matchmatch criteria
cpe:2.3:a:infradead:openconnect:*:*:*:*:*:*:*:*
1.00CPE matchmatch criteria
cpe:2.3:a:infradead:openconnect:1.00:*:*:*:*:*:*:*
1.10CPE matchmatch criteria
cpe:2.3:a:infradead:openconnect:1.10:*:*:*:*:*:*:*
1.20CPE matchmatch criteria
cpe:2.3:a:infradead:openconnect:1.20:*:*:*:*:*:*:*
1.30CPE matchmatch criteria
cpe:2.3:a:infradead:openconnect:1.30:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

5.0MEDIUM

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

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

Exploit Intelligence

EPSS Score
0.98%
Probability of exploitation in next 30 days
EPSS Percentile
58.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0098 is in the 37th percentile among its peer group of 23,705 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

Remediation records are not available for this CVE.

References

infradead.org / openconnect.html