CVE-2011-0738

MyProxy 5.0 through 5.2, as used in Globus Toolkit 5.0.0 through 5.0.2, does not properly verify the (1) hostname or (2) identity in the X.509 certificate for the myproxy-server, which allows remote attackers to spoof the server and conduct man-in-the-middle (MITM) attacks via a crafted certificate when executing (a) myproxy-logon or (b) myproxy-get-delegation.

Published: 2011-02-02 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-0738 is rated Moderate Risk (44.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.99%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2011-0738

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-03-02 0.79% 0.99% +0.21%
2 2025-03-30 0.85% 0.79% -0.07%
3 2025-03-29 — 0.85% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-0738

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 8.6 2.9 [email protected]

Weakness enumeration for CVE-2011-0738

Affected software / configurations for CVE-2011-0738

Vendor Product Version Raw CPE
ncsa myproxy 5.0 cpe:2.3:a:ncsa:myproxy:5.0:*:*:*:*:*:*:*
ncsa myproxy 5.1 cpe:2.3:a:ncsa:myproxy:5.1:*:*:*:*:*:*:*
ncsa myproxy 5.2 cpe:2.3:a:ncsa:myproxy:5.2:*:*:*:*:*:*:*
globus globus_toolkit 5.0.0 cpe:2.3:a:globus:globus_toolkit:5.0.0:*:*:*:*:*:*:*
globus globus_toolkit 5.0.1 cpe:2.3:a:globus:globus_toolkit:5.0.1:*:*:*:*:*:*:*
globus globus_toolkit 5.0.2 cpe:2.3:a:globus:globus_toolkit:5.0.2:*:*:*:*:*:*:*

References for CVE-2011-0738

cvelogic Threat Intelligence