CVE-2016-2346: Allround Automations PL/SQL Developer 11 before 11.0.6 relies on unverified HTTP data for updates, which allow

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HIGH 8.1REMOTEDOWNGRADE

CVE-2016-2346 is a high-severity flaw (CVSS 8.1) affecting pl\/sql developer. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Allround Automations PL/SQL Developer 11 before 11.0.6 relies on unverified HTTP data for updates, which allows man-in-the-middle attackers to execute arbitrary code by modifying fields in the client-server data stream.

Why this priority

High 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	8.1 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.9% (top 39%)
CISA exploited list	No
Weakness	CWE-345
Published	2016-04-25
Last modified	2026-06-17

Publisher (CNA): CERT/CC · Vendor: allroundautomations

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2016-04-25 18:59 UTCPublished CVE record published
2026-06-17 00:43 UTCUpdated Record last modified

allroundautomations pl\/sql developer DOWNGRADE

Affected: 11.0 · 11.0.1 · 11.0.2 · 11.0.3 · 11.0.4 · 11.0.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 11.0

1. Check installed version

apt-cache policy plsql-developer || rpm -q plsql-developer || plsql-developer --version

2. No fixed release: DOWNGRADE to a release before 11.0 (Debian / Ubuntu)

apt-cache madison plsql-developer sudo apt install plsql-developer=<VERSION_BEFORE_11.0> sudo apt-mark hold plsql-developer

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

dnf --showduplicates list plsql-developer sudo dnf downgrade plsql-developer-<VERSION_BEFORE_11.0> sudo dnf versionlock add plsql-developer

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-2016-2346?

pl\/sql developer: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2016-2346 being exploited?

CVE-2016-2346 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-2016-2346 affect?

CVE-2016-2346 affects pl\/sql developer. Severity is high (CVSS 8.1). Allround Automations PL/SQL Developer 11 before 11.0.6 relies on unverified HTTP data for updates, which allows man-in-the-middle attackers to execute arbitrary code by modifying fields in the client-server data stream.

How urgent is CVE-2016-2346?

Priority 54/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action

References

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