CVE-2016-5683: ReadyDesk 9.1 allows local users to determine cleartext SQL Server credentials by reading the SQL_Config.aspx

Routine

HIGH 7.8DOWNGRADE

CVE-2016-5683 is a high-severity flaw (CVSS 7.8) affecting readydesk. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

ReadyDesk 9.1 allows local users to determine cleartext SQL Server credentials by reading the SQL_Config.aspx file and decrypting data with a hardcoded key in the ReadyDesk.dll file.

Why this priority

High severity

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

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 72%)
CISA exploited list	No
Published	2016-08-26
Last modified	2026-06-17

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

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

Am I affected?

Timeline

2016-08-26 19:59 UTCPublished CVE record published
2026-06-17 00:49 UTCUpdated Record last modified

readydesk readydesk DOWNGRADE

Affected: 9.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 9.1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 9.1 (Debian / Ubuntu)

apt-cache madison readydesk sudo apt install readydesk=<VERSION_BEFORE_9.1> sudo apt-mark hold readydesk

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

dnf --showduplicates list readydesk sudo dnf downgrade readydesk-<VERSION_BEFORE_9.1> sudo dnf versionlock add readydesk

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-2016-5683?

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

Is CVE-2016-5683 being exploited?

CVE-2016-5683 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-2016-5683 affect?

CVE-2016-5683 affects readydesk. Severity is high (CVSS 7.8). ReadyDesk 9.1 allows local users to determine cleartext SQL Server credentials by reading the SQL_Config.aspx file and decrypting data with a hardcoded key in the ReadyDesk.dll file.

How urgent is CVE-2016-5683?

Priority 34/100. High severity

Software pages

Microsoft SQL Server vulnerabilities

Related CVEs

CVE-2016-5050 CRITICAL 9.8 DOWNGRADE Unrestricted file upload vulnerability in chat/sendfile.aspx in ReadyDesk 9.1 allows remote attackers to execu
CVE-2016-5049 HIGH 7.5 DOWNGRADE Directory traversal vulnerability in chat/openattach.aspx in ReadyDesk 9.1 allows remote attackers to read arb
CVE-2016-5048 CRITICAL 9.8 DOWNGRADE SQL injection vulnerability in chat/staff/default.aspx in ReadyDesk 9.1 allows remote attackers to execute arb

References

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