CVE-2019-19459: An issue was discovered in SALTO ProAccess SPACE 5.4.3.0

Q: How do I fix CVE-2019-19459?

proaccess space: upgrade to newer than 5.5. Exact commands for each OS are on this page.

Q: Is CVE-2019-19459 being exploited?

CVE-2019-19459 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2019-19459 affect?

CVE-2019-19459 affects proaccess space. Severity is critical (CVSS 9.8). An issue was discovered in SALTO ProAccess SPACE 5.4.3.0. An attacker can write arbitrary content to arbitrary files, as demonstrated by CVE-2019-19458 files under the web root, or .bat files that will be used with auto start. This allows a

Q: How urgent is CVE-2019-19459?

Priority 67/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2019-19459 is a critical-severity flaw (CVSS 9.8) affecting proaccess space. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in SALTO ProAccess SPACE 5.4.3.0. An attacker can write arbitrary content to arbitrary files, as demonstrated by CVE-2019-19458 files under the web root, or .bat files that will be used with auto start. This allows an attacker to execute arbitrary commands on the server.

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	3.5% (top 11%)
CISA exploited list	No
Weakness	CWE-22
Published	2019-12-03
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: saltosystem

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

Am I affected?

Timeline

2019-12-03 20:15 UTCPublished CVE record published
2026-06-17 02:26 UTCUpdated Record last modified

saltosystem proaccess space UPGRADE

Affected: <= 5.5

Fixed in: newer than 5.5

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy proaccess-space || rpm -q proaccess-space || proaccess-space --version

2. UPGRADE to newer than 5.5 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade proaccess-space

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade proaccess-space

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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-2019-19459?

proaccess space: upgrade to newer than 5.5. Exact commands for each OS are on this page.

Is CVE-2019-19459 being exploited?

CVE-2019-19459 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-2019-19459 affect?

CVE-2019-19459 affects proaccess space. Severity is critical (CVSS 9.8). An issue was discovered in SALTO ProAccess SPACE 5.4.3.0. An attacker can write arbitrary content to arbitrary files, as demonstrated by CVE-2019-19458 files under the web root, or .bat files that will be used with auto start. This allows a

How urgent is CVE-2019-19459?

Priority 67/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2019-19460 MEDIUM 5.5 UPGRADE An issue was discovered in SALTO ProAccess SPACE 5.4.3.0
CVE-2019-19458 HIGH 8.6 UPGRADE SALTO ProAccess SPACE 5.4.3.0 allows Directory Traversal in the Data Export feature.
CVE-2019-19457 MEDIUM 5.4 UPGRADE SALTO ProAccess SPACE 5.4.3.0 allows XSS.

References

← Back to latest CVEs