CVE-2019-12162: Upwork Time Tracker 5.2.2.716 doesn't verify the SHA256 hash of the downloaded program update before running i

Routine

HIGH 7.8DOWNGRADE

CVE-2019-12162 is a high-severity flaw (CVSS 7.8) affecting time tracker. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Upwork Time Tracker 5.2.2.716 doesn't verify the SHA256 hash of the downloaded program update before running it, which could lead to code execution or local privilege escalation by replacing the original update.exe.

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 81%)
CISA exploited list	No
Weakness	CWE-494
Published	2019-07-23
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: upwork

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

Am I affected?

Timeline

2019-07-23 15:15 UTCPublished CVE record published
2026-06-17 02:14 UTCUpdated Record last modified

upwork time tracker DOWNGRADE

Affected: 5.2.2.716

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.2.2.716

1. Check installed version

apt-cache policy time-tracker || rpm -q time-tracker || time-tracker --version

2. No fixed release: DOWNGRADE to a release before 5.2.2.716 (Debian / Ubuntu)

apt-cache madison time-tracker sudo apt install time-tracker=<VERSION_BEFORE_5.2.2.716> sudo apt-mark hold time-tracker

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

dnf --showduplicates list time-tracker sudo dnf downgrade time-tracker-<VERSION_BEFORE_5.2.2.716> sudo dnf versionlock add time-tracker

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-2019-12162?

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

Is CVE-2019-12162 being exploited?

CVE-2019-12162 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-2019-12162 affect?

CVE-2019-12162 affects time tracker. Severity is high (CVSS 7.8). Upwork Time Tracker 5.2.2.716 doesn't verify the SHA256 hash of the downloaded program update before running it, which could lead to code execution or local privilege escalation by replacing the original update.exe.

How urgent is CVE-2019-12162?

Priority 32/100. High severity

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References

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