CVE-2019-20183: uploadimage.php in Employee Records System 1.0 allows upload and execution of arbitrary PHP code because file-

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HIGH 7.2DOWNGRADE

CVE-2019-20183 is a high-severity flaw (CVSS 7.2) affecting employee records system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

uploadimage.php in Employee Records System 1.0 allows upload and execution of arbitrary PHP code because file-extension validation is only on the client side. The attacker can modify global.js to allow the .php extension.

Why this priority

High severity
EPSS top 5%: very likely to be exploited

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

Risk facts

CVSS score	7.2 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	7.8% (top 5%)
CISA exploited list	No
Weakness	CWE-434
Published	2020-01-09
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: employee records system project

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

Am I affected?

Timeline

2020-01-09 22:15 UTCPublished CVE record published
2026-06-17 02:30 UTCUpdated Record last modified

employee records system project employee records system DOWNGRADE

Affected: 1.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.0

1. Check installed version

apt-cache policy employee-records-system || rpm -q employee-records-system || employee-records-system --version

2. No fixed release: DOWNGRADE to a release before 1.0 (Debian / Ubuntu)

apt-cache madison employee-records-system sudo apt install employee-records-system=<VERSION_BEFORE_1.0> sudo apt-mark hold employee-records-system

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

dnf --showduplicates list employee-records-system sudo dnf downgrade employee-records-system-<VERSION_BEFORE_1.0> sudo dnf versionlock add employee-records-system

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.

Nuclei scan template: Simple Employee Records System 1.0 - Unrestricted File Upload

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-2019-20183?

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

Is CVE-2019-20183 being exploited?

CVE-2019-20183 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-2019-20183 affect?

CVE-2019-20183 affects employee records system. Severity is high (CVSS 7.2). uploadimage.php in Employee Records System 1.0 allows upload and execution of arbitrary PHP code because file-extension validation is only on the client side. The attacker can modify global.js to allow the .php extension.

How urgent is CVE-2019-20183?

Priority 49/100. High severity; EPSS top 5%: very likely to be exploited

Software pages

PHP vulnerabilities

Related CVEs

CVE-2021-4462 CRITICAL 9.8 DOWNGRADE Employee Records System version 1.0 contains an unrestricted file upload vulnerability that allows a remote un

References

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