CVE-2015-4674: The autoupdate implementation in TimeDoctor Pro 1.4.72.3 on Windows relies on unsigned installer files that ar

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HIGH 9.3DOWNGRADE

CVE-2015-4674 is a high-severity flaw (CVSS 9.3) affecting timedoctor. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The autoupdate implementation in TimeDoctor Pro 1.4.72.3 on Windows relies on unsigned installer files that are retrieved without use of SSL, which makes it easier for man-in-the-middle attackers to execute arbitrary code via a crafted file.

Why this priority

Critical severity
Public exploit reference

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

Risk facts

CVSS score	9.3 (High)
EPSS exploit chance	1.2% (top 31%)
CISA exploited list	No
Weakness	CWE-345
Published	2015-08-07
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: timedoctor

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

Am I affected?

Timeline

2015-08-07 01:59 UTCPublished CVE record published
2026-06-17 00:27 UTCUpdated Record last modified

timedoctor timedoctor DOWNGRADE

Affected: 1.4.72.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.4.72.3

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.4.72.3 (Debian / Ubuntu)

apt-cache madison timedoctor sudo apt install timedoctor=<VERSION_BEFORE_1.4.72.3> sudo apt-mark hold timedoctor

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

dnf --showduplicates list timedoctor sudo dnf downgrade timedoctor-<VERSION_BEFORE_1.4.72.3> sudo dnf versionlock add timedoctor

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-2015-4674?

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

Is CVE-2015-4674 being exploited?

CVE-2015-4674 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-2015-4674 affect?

CVE-2015-4674 affects timedoctor. Severity is high (CVSS 9.3). The autoupdate implementation in TimeDoctor Pro 1.4.72.3 on Windows relies on unsigned installer files that are retrieved without use of SSL, which makes it easier for man-in-the-middle attackers to execute arbitrary code via a crafted file

How urgent is CVE-2015-4674?

Priority 55/100. Critical severity; Public exploit reference

Software pages

Windows vulnerabilities

References

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