CVE-2020-24841: PNPSCADA 2.200816204020 allows SQL injection via parameter 'interf' in /browse.jsp

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2020-24841 is a critical-severity flaw (CVSS 9.8) affecting pnpscada. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PNPSCADA 2.200816204020 allows SQL injection via parameter 'interf' in /browse.jsp. Exploiting this issue could allow an attacker to compromise the application, access or modify data, or exploit latent vulnerabilities in the underlying database.

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	1.6% (top 24%)
CISA exploited list	No
Weakness	CWE-89
Published	2021-02-16
Last modified	2026-07-09

Publisher (CNA): MITRE · Vendor: sdg

Last updated 2026-07-09 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-02-16 13:15 UTCPublished CVE record published
2026-07-09 00:17 UTCUpdated Record last modified

sdg pnpscada DOWNGRADE

Affected: 2.200816204020

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.200816204020

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.200816204020 (Debian / Ubuntu)

apt-cache madison pnpscada sudo apt install pnpscada=<VERSION_BEFORE_2.200816204020> sudo apt-mark hold pnpscada

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

dnf --showduplicates list pnpscada sudo dnf downgrade pnpscada-<VERSION_BEFORE_2.200816204020> sudo dnf versionlock add pnpscada

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-2020-24841?

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

Is CVE-2020-24841 being exploited?

CVE-2020-24841 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-2020-24841 affect?

CVE-2020-24841 affects pnpscada. Severity is critical (CVSS 9.8). PNPSCADA 2.200816204020 allows SQL injection via parameter 'interf' in /browse.jsp. Exploiting this issue could allow an attacker to compromise the application, access or modify data, or exploit latent vulnerabilities in the underlying data

How urgent is CVE-2020-24841?

Priority 63/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2023-1934 CRITICAL 9.8 DOWNGRADE The PnPSCADA system, a product of SDG Technologies CC, is afflicted by a critical unauthenticated error-based
CVE-2020-24842 MEDIUM 6.1 DOWNGRADE PNPSCADA 2.200816204020 allows cross-site scripting (XSS), which can execute arbitrary JavaScript in the victi

References

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