CVE-2011-4094: Jara 1.6 has a SQL injection vulnerability.

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CRITICAL 9.8REMOTEDOWNGRADE

CVE-2011-4094 is a critical-severity flaw (CVSS 9.8) affecting jara. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Jara 1.6 has a SQL injection vulnerability.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.7% (top 14%)
CISA exploited list	No
Weakness	CWE-89
Published	2020-01-21
Last modified	2026-06-16

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

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2020-01-21 15:15 UTCPublished CVE record published
2026-06-16 23:34 UTCUpdated Record last modified

jara project jara 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 jara || rpm -q jara || jara --version

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

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

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

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

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: Jara 1.6 - SQL Injection

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-2011-4094?

jara: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2011-4094 being exploited?

CVE-2011-4094 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-2011-4094 affect?

CVE-2011-4094 affects jara. Severity is critical (CVSS 9.8). Jara 1.6 has a SQL injection vulnerability.

How urgent is CVE-2011-4094?

Priority 66/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2011-4095 MEDIUM 6.1 DOWNGRADE Jara 1.6 has an XSS vulnerability

References

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