CVE-2019-14422: An issue was discovered in in TortoiseSVN 1.12.1

This week

HIGH 8.8DOWNGRADE

CVE-2019-14422 is a high-severity flaw (CVSS 8.8) affecting tortoisesvn. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in in TortoiseSVN 1.12.1. The Tsvncmd: URI handler allows a customised diff operation on Excel workbooks, which could be used to open remote workbooks without protection from macro security settings to execute arbitrary code. A tsvncmd:command:diff?path:[file1]?path2:[file2] URI will execute a customised diff on [file1] and [file2] based on the file extension. For xls files, it will execute the script diff-xls.js using wsc

Why this priority

High severity
EPSS top 3%: very likely to be exploited
Public exploit reference

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

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	16.4% (top 3%)
CISA exploited list	No
Published	2019-08-15
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: tortoisesvn

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

Am I affected?

Timeline

2019-08-15 17:15 UTCPublished CVE record published
2026-06-17 02:18 UTCUpdated Record last modified

tortoisesvn tortoisesvn DOWNGRADE

Affected: 1.12.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.12.1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 1.12.1 (Debian / Ubuntu)

apt-cache madison tortoisesvn sudo apt install tortoisesvn=<VERSION_BEFORE_1.12.1> sudo apt-mark hold tortoisesvn

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

dnf --showduplicates list tortoisesvn sudo dnf downgrade tortoisesvn-<VERSION_BEFORE_1.12.1> sudo dnf versionlock add tortoisesvn

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.

Exploit-DB: TortoiseSVN 1.12.1 - Remote Code Execution

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-2019-14422?

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

Is CVE-2019-14422 being exploited?

CVE-2019-14422 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-2019-14422 affect?

CVE-2019-14422 affects tortoisesvn. Severity is high (CVSS 8.8). An issue was discovered in in TortoiseSVN 1.12.1. The Tsvncmd: URI handler allows a customised diff operation on Excel workbooks, which could be used to open remote workbooks without protection from macro security settings to execute arbitr

How urgent is CVE-2019-14422?

Priority 60/100. High severity; EPSS top 3%: very likely to be exploited; Public exploit reference

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References

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