CVE-2023-26071: An issue was discovered in MCUBO ICT through 10.12.4 (aka 6.0.2)

Q: How do I fix CVE-2023-26071?

mcuboict: upgrade to newer than 10.12.4. Exact commands for each OS are on this page.

Q: Is CVE-2023-26071 being exploited?

CVE-2023-26071 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-2023-26071 affect?

CVE-2023-26071 affects mcuboict. Severity is high (CVSS 7.5). An issue was discovered in MCUBO ICT through 10.12.4 (aka 6.0.2). An Observable Response Discrepancy can occur under the login web page. In particular, the web application provides different responses to incoming requests in a way that reve

Q: How urgent is CVE-2023-26071?

Priority 44/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 7.5REMOTEUPGRADE

CVE-2023-26071 is a high-severity flaw (CVSS 7.5) affecting mcuboict. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in MCUBO ICT through 10.12.4 (aka 6.0.2). An Observable Response Discrepancy can occur under the login web page. In particular, the web application provides different responses to incoming requests in a way that reveals internal state information to an unauthorized actor. That allow an unauthorized actor to perform User Enumeration attacks.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.7% (top 49%)
CISA exploited list	No
Weakness	CWE-203
Published	2023-03-28
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: harpaitalia

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

Am I affected?

Timeline

2023-03-28 20:15 UTCPublished CVE record published
2026-06-17 05:42 UTCUpdated Record last modified

harpaitalia mcuboict UPGRADE

Affected: <= 10.12.4

Fixed in: newer than 10.12.4

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 10.12.4 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade mcuboict

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-2023-26071?

mcuboict: upgrade to newer than 10.12.4. Exact commands for each OS are on this page.

Is CVE-2023-26071 being exploited?

CVE-2023-26071 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-2023-26071 affect?

CVE-2023-26071 affects mcuboict. Severity is high (CVSS 7.5). An issue was discovered in MCUBO ICT through 10.12.4 (aka 6.0.2). An Observable Response Discrepancy can occur under the login web page. In particular, the web application provides different responses to incoming requests in a way that reve

How urgent is CVE-2023-26071?

Priority 44/100. High severity; Remotely exploitable, no login, no user action

References

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