CVE-2011-2920: A flaw was found in Spacewalk and Red Hat Network Satellite

This month

MEDIUM 5.5WATCHLISTMITIGATEDOWNGRADE

CVE-2011-2920 is a medium-severity flaw (CVSS 5.5) affecting network satellite, spacewalk. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A flaw was found in Spacewalk and Red Hat Network Satellite. This cross-site scripting (XSS) vulnerability allows a remote attacker to inject arbitrary web script or HTML into web pages through various input fields, such as the "Filter by Synopsis" field. This could lead to the execution of malicious code in a user's web browser, potentially compromising user sessions or disclosing sensitive information.

Why this priority

On your watchlist

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	Required
EPSS exploit chance	2.0% (top 19%)
CISA exploited list	No
Weakness	CWE-79
Published	2014-02-05
Last modified	2026-10-30

Publisher (CNA): Red Hat, Inc. · Vendor: redhat

Last updated 2026-10-30 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2014-02-05 18:55 UTCPublished CVE record published
2026-10-30 19:17 UTCUpdated Record last modified

redhat network satellite MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy network-satellite || rpm -q network-satellite || network-satellite --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

redhat spacewalk DOWNGRADE

Affected: 1.6

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.6

1. Check installed version

apt-cache policy spacewalk || rpm -q spacewalk || spacewalk --version

2. No fixed release: DOWNGRADE to a release before 1.6 (Debian / Ubuntu)

apt-cache madison spacewalk sudo apt install spacewalk=<VERSION_BEFORE_1.6> sudo apt-mark hold spacewalk

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list spacewalk sudo dnf downgrade spacewalk-<VERSION_BEFORE_1.6> sudo dnf versionlock add spacewalk

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2011-2920?

network satellite: mitigate or apply the listed mitigation; spacewalk: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2011-2920 being exploited?

CVE-2011-2920 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2011-2920 affect?

CVE-2011-2920 affects network satellite, spacewalk. Severity is medium (CVSS 5.5). A flaw was found in Spacewalk and Red Hat Network Satellite. This cross-site scripting (XSS) vulnerability allows a remote attacker to inject arbitrary web script or HTML into web pages through various input fields, such as the "Filter by S

How urgent is CVE-2011-2920?

Priority 45/100. On your watchlist

Related CVEs

CVE-2011-3344 MEDIUM 5.4 MITIGATE DOWNGRADE A flaw was found in Spacewalk
CVE-2011-2927 MEDIUM 5.4 MITIGATE DOWNGRADE A flaw was found in Spacewalk and Red Hat Network Satellite
CVE-2011-1594 MEDIUM 6.5 MITIGATE DOWNGRADE A flaw was found in Spacewalk, as used in Red Hat Network Satellite

References

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