CVE-2023-3329: SpiderControl SCADA Webserver versions 2.08 and prior are vulnerable to path traversal

Q: How do I fix CVE-2023-3329?

scadawebserver: upgrade to newer than 2.08. Exact commands for each OS are on this page.

Q: Is CVE-2023-3329 being exploited?

CVE-2023-3329 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-2023-3329 affect?

CVE-2023-3329 affects scadawebserver. Severity is medium (CVSS 6.5). SpiderControl SCADA Webserver versions 2.08 and prior are vulnerable to path traversal. An attacker with administrative privileges could overwrite files on the webserver using the HMI's upload file feature. This could create size zero files

Q: How urgent is CVE-2023-3329?

Priority 39/100. No elevated risk signals yet.

Routine

MEDIUM 6.5UPGRADE

CVE-2023-3329 is a medium-severity flaw (CVSS 6.5) affecting scadawebserver. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SpiderControl SCADA Webserver versions 2.08 and prior are vulnerable to path traversal. An attacker with administrative privileges could overwrite files on the webserver using the HMI's upload file feature. This could create size zero files anywhere on the webserver, potentially overwriting system files and creating a denial-of-service condition.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	1.0% (top 36%)
CISA exploited list	No
Weakness	CWE-22
Published	2023-08-02
Last modified	2026-06-17

Publisher (CNA): ICS-CERT · Vendor: spidercontrol

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

Am I affected?

Timeline

2023-08-02 23:15 UTCPublished CVE record published
2026-06-17 06:13 UTCUpdated Record last modified

spidercontrol scadawebserver UPGRADE

Affected: <= 2.08

Fixed in: newer than 2.08

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 2.08 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade scadawebserver

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-2023-3329?

scadawebserver: upgrade to newer than 2.08. Exact commands for each OS are on this page.

Is CVE-2023-3329 being exploited?

CVE-2023-3329 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-2023-3329 affect?

CVE-2023-3329 affects scadawebserver. Severity is medium (CVSS 6.5). SpiderControl SCADA Webserver versions 2.08 and prior are vulnerable to path traversal. An attacker with administrative privileges could overwrite files on the webserver using the HMI's upload file feature. This could create size zero files

How urgent is CVE-2023-3329?

Priority 39/100. No elevated risk signals yet.

References

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