CVE-2023-33274: The authentication mechanism in PowerShield SNMP Web Pro 1.1 contains a vulnerability that allows unauthentica

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CRITICAL 9.8REMOTEDOWNGRADE

CVE-2023-33274 is a critical-severity flaw (CVSS 9.8) affecting snmp web pro. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The authentication mechanism in PowerShield SNMP Web Pro 1.1 contains a vulnerability that allows unauthenticated users to directly access Common Gateway Interface (CGI) scripts without proper identification or authorization. This vulnerability arises from a lack of proper cookie verification and affects all instances of SNMP Web Pro 1.1 without HTTP Digest authentication enabled, regardless of the password used for the web interface.

Why this priority

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

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

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.1% (top 36%)
CISA exploited list	No
Weakness	CWE-287
Published	2023-07-12
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: voltronicpower

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

Am I affected?

Timeline

2023-07-12 21:15 UTCPublished CVE record published
2026-06-17 06:01 UTCUpdated Record last modified

voltronicpower snmp web pro DOWNGRADE

Affected: 1.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.1

1. Check installed version

apt-cache policy snmp-web-pro || rpm -q snmp-web-pro || snmp-web-pro --version

2. No fixed release: DOWNGRADE to a release before 1.1 (Debian / Ubuntu)

apt-cache madison snmp-web-pro sudo apt install snmp-web-pro=<VERSION_BEFORE_1.1> sudo apt-mark hold snmp-web-pro

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

dnf --showduplicates list snmp-web-pro sudo dnf downgrade snmp-web-pro-<VERSION_BEFORE_1.1> sudo dnf versionlock add snmp-web-pro

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-2023-33274?

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

Is CVE-2023-33274 being exploited?

CVE-2023-33274 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-2023-33274 affect?

CVE-2023-33274 affects snmp web pro. Severity is critical (CVSS 9.8). The authentication mechanism in PowerShield SNMP Web Pro 1.1 contains a vulnerability that allows unauthenticated users to directly access Common Gateway Interface (CGI) scripts without proper identification or authorization. This vulnerabi

How urgent is CVE-2023-33274?

Priority 60/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2023-49563 MEDIUM 6.1 DOWNGRADE Cross Site Scripting (XSS) in Voltronic Power SNMP Web Pro v.1.1 allows an attacker to execute arbitrary code
CVE-2023-39073 CRITICAL 9.8 DOWNGRADE An issue in SNMP Web Pro v.1.1 allows a remote attacker to execute arbitrary code and obtain senstive informat

References

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