CVE-2011-1594 | Spacewalk: spacewalk: open redirect vulnerability enables phishing attacks via url parameter

A flaw was found in Spacewalk, as used in Red Hat Network Satellite. This open redirect vulnerability allows remote attackers to redirect users to arbitrary web sites by manipulating a URL in the url_bounce parameter. This can enable attackers to conduct phishing attacks, potentially leading to unauthorized information disclosure or credential theft.

Published: 2014-02-05 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2011-1594 is rated Moderate Risk (51.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.47%). EPSS rose +1.30% over the last day, indicating growing attacker interest. 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-2011-1594

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 2026-06-15 0.17% 1.47% +1.30%
2 2026-05-22 0.40% 0.17% -0.23%
3 2026-04-03 — 0.40% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2011-1594

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:N)
Service keeps running; no real outage angle.
 2.8 3.6 [email protected]
5.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/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:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 8.6 4.9 [email protected]

Weakness enumeration for CVE-2011-1594

OS Trackers for CVE-2011-1594

vendor priority summary link
redhat medium — https://access.redhat.com/security/cve/CVE-2011-1594
suse medium — https://www.suse.com/security/cve/CVE-2011-1594/

Affected software / configurations for CVE-2011-1594

Vendor Product Version Raw CPE
redhat network_satellite — cpe:2.3:a:redhat:network_satellite:-:*:*:*:*:*:*:*
redhat spacewalk 1.6 cpe:2.3:a:redhat:spacewalk:1.6:*:*:*:*:*:*:*

References for CVE-2011-1594

cvelogic Threat Intelligence