CVE-2020-36364: An issue was discovered in Smartstore (aka SmartStoreNET) before 4.1.0

Q: How do I fix CVE-2020-36364?

smartstorenet: upgrade to 4.1.0. Exact commands for each OS are on this page.

Q: Is CVE-2020-36364 being exploited?

CVE-2020-36364 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-2020-36364 affect?

CVE-2020-36364 affects smartstorenet. Severity is critical (CVSS 9.1). An issue was discovered in Smartstore (aka SmartStoreNET) before 4.1.0. Administration/Controllers/ImportController.cs allows path traversal (for copy and delete actions) in the ImportController.Create method via a TempFileName field.

Q: How urgent is CVE-2020-36364?

Priority 61/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

This week

CRITICAL 9.1REMOTEUPGRADE

CVE-2020-36364 is a critical-severity flaw (CVSS 9.1) affecting smartstorenet. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in Smartstore (aka SmartStoreNET) before 4.1.0. Administration/Controllers/ImportController.cs allows path traversal (for copy and delete actions) in the ImportController.Create method via a TempFileName field.

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	9.1 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.8% (top 22%)
CISA exploited list	No
Weakness	CWE-22
Published	2021-05-19
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: smartstore

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

Am I affected?

Timeline

2021-05-19 19:15 UTCPublished CVE record published
2026-06-17 03:15 UTCUpdated Record last modified

smartstore smartstorenet UPGRADE

Affected: < 4.1.0

Fixed in: 4.1.0

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 4.1.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade smartstorenet

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade smartstorenet

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-2020-36364?

smartstorenet: upgrade to 4.1.0. Exact commands for each OS are on this page.

Is CVE-2020-36364 being exploited?

CVE-2020-36364 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-2020-36364 affect?

CVE-2020-36364 affects smartstorenet. Severity is critical (CVSS 9.1). An issue was discovered in Smartstore (aka SmartStoreNET) before 4.1.0. Administration/Controllers/ImportController.cs allows path traversal (for copy and delete actions) in the ImportController.Create method via a TempFileName field.

How urgent is CVE-2020-36364?

Priority 61/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2020-36365 MEDIUM 6.1 UPGRADE Smartstore (aka SmartStoreNET) before 4.1.0 allows CommonController.ClearCache, ClearDatabaseCache, RestartApp
CVE-2020-27997 HIGH 8.8 UPGRADE An issue was discovered in SmartStoreNET before 4.1.0
CVE-2020-27996 HIGH 8.8 UPGRADE An issue was discovered in SmartStoreNET before 4.0.1

References

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