CVE-2020-25011: A sensitive information disclosure vulnerability in Kyland KPS2204 6 Port Managed Din-Rail Programmable Serial

This month

CRITICAL 9.8REMOTEMITIGATE

CVE-2020-25011 is a critical-severity flaw (CVSS 9.8) affecting kps2204 6 port managed din-rail programmable serial device firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A sensitive information disclosure vulnerability in Kyland KPS2204 6 Port Managed Din-Rail Programmable Serial Device Servers Software Version:R0002.P05 allows remote attackers to get username and password by request /cgi-bin/webadminget.cgi script via the browser.

Why this priority

Critical severity
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-732
Published	2020-12-17
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: kyland

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

Am I affected?

Timeline

2020-12-17 04:15 UTCPublished CVE record published
2026-06-17 03:06 UTCUpdated Record last modified

kyland kps2204 6 port managed din-rail programmable serial device firmware MITIGATE

Affected: r0002.p05

Fixed in: no fixed release known

Safe to downgrade to: a release before r0002.p05

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

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-2020-25011?

kps2204 6 port managed din-rail programmable serial device firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-25011 being exploited?

CVE-2020-25011 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-2020-25011 affect?

CVE-2020-25011 affects kps2204 6 port managed din-rail programmable serial device firmware. Severity is critical (CVSS 9.8). A sensitive information disclosure vulnerability in Kyland KPS2204 6 Port Managed Din-Rail Programmable Serial Device Servers Software Version:R0002.P05 allows remote attackers to get username and password by request /cgi-bin/webadminget.cg

How urgent is CVE-2020-25011?

Priority 58/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2020-25010 CRITICAL 9.8 MITIGATE An arbitrary code execution vulnerability in Kyland KPS2204 6 Port Managed Din-Rail Programmable Serial Device

References

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