CVE-2025-13649: An attacker with access to the web application ZeusWeb of the provider Microcom (in this case, registration

Routine

MEDIUM 6.1DOWNGRADE

CVE-2025-13649 is a medium-severity flaw (CVSS 6.1) affecting zeusweb. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An attacker with access to the web application ZeusWeb of the provider Microcom (in this case, registration is not necessary, but the action must be performed) who has the vulnerable software could introduce arbitrary JavaScript by injecting an XSS payload into the ‘Email’ parameters within the ‘Recover password’ section at the URL: https://zeus.microcom.es:4040/index.html?zeus6=true . This issue affects ZeusWeb: 6.1.31.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.3% (top 82%)
CISA exploited list	No
Weakness	CWE-79
Published	2026-02-11
Last modified	2026-06-17

Publisher (CNA): HackRTU · Vendor: microcom360

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

Am I affected?

Timeline

2026-02-11 09:15 UTCPublished CVE record published
2026-06-17 08:34 UTCUpdated Record last modified

microcom360 zeusweb DOWNGRADE

Affected: 6.1.31

Fixed in: no fixed release known

Safe to downgrade to: a release before 6.1.31

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 6.1.31 (Debian / Ubuntu)

apt-cache madison zeusweb sudo apt install zeusweb=<VERSION_BEFORE_6.1.31> sudo apt-mark hold zeusweb

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

dnf --showduplicates list zeusweb sudo dnf downgrade zeusweb-<VERSION_BEFORE_6.1.31> sudo dnf versionlock add zeusweb

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-2025-13649?

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

Is CVE-2025-13649 being exploited?

CVE-2025-13649 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-2025-13649 affect?

CVE-2025-13649 affects zeusweb. Severity is medium (CVSS 6.1). An attacker with access to the web application ZeusWeb of the provider Microcom (in this case, registration is not necessary, but the action must be performed) who has the vulnerable software could introduce arbitrary JavaScript by inject

How urgent is CVE-2025-13649?

Priority 26/100. No elevated risk signals yet.

Related CVEs

CVE-2025-13651 HIGH 7.5 DOWNGRADE Exposure of Sensitive System Information to an Unauthorized Actor vulnerability in Microcom ZeusWeb allows Web
CVE-2025-13650 MEDIUM 6.1 DOWNGRADE An attacker with access to the web application ZeusWeb of the provider Microcom (in this case, registration is
CVE-2025-13648 MEDIUM 6.1 DOWNGRADE An attacker with access to the web application ZeusWeb of the provider Microcom (in this case, registration

References

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