CVE-2023-29838: Insecure Permission vulnerability found in Botkind/Siber Systems SyncApp v.19.0.3.0 allows a local attacker to

Routine

HIGH 7.8DOWNGRADE

CVE-2023-29838 is a high-severity flaw (CVSS 7.8) affecting allwaysync. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Insecure Permission vulnerability found in Botkind/Siber Systems SyncApp v.19.0.3.0 allows a local attacker toe escalate privileges via the SyncService.exe file.

Why this priority

High severity
Public exploit reference

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	0.2% (top 85%)
CISA exploited list	No
Weakness	CWE-276
Published	2023-05-22
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: allwaysync

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

Am I affected?

Timeline

2023-05-22 20:15 UTCPublished CVE record published
2026-06-17 05:50 UTCUpdated Record last modified

allwaysync allwaysync DOWNGRADE

Affected: 19.0.3.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 19.0.3.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 19.0.3.0 (Debian / Ubuntu)

apt-cache madison allwaysync sudo apt install allwaysync=<VERSION_BEFORE_19.0.3.0> sudo apt-mark hold allwaysync

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

dnf --showduplicates list allwaysync sudo dnf downgrade allwaysync-<VERSION_BEFORE_19.0.3.0> sudo dnf versionlock add allwaysync

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-2023-29838?

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

Is CVE-2023-29838 being exploited?

CVE-2023-29838 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-2023-29838 affect?

CVE-2023-29838 affects allwaysync. Severity is high (CVSS 7.8). Insecure Permission vulnerability found in Botkind/Siber Systems SyncApp v.19.0.3.0 allows a local attacker toe escalate privileges via the SyncService.exe file.

How urgent is CVE-2023-29838?

Priority 36/100. High severity; Public exploit reference

References

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