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CVE-2025-20123: Multiple vulnerabilities in the web-based management interface of Cisco Crosswork Network Controller could all

22
Routine
MEDIUM 4.8UPGRADE

CVE-2025-20123 is a medium-severity flaw (CVSS 4.8) affecting crosswork network controller. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Multiple vulnerabilities in the web-based management interface of Cisco Crosswork Network Controller could allow an authenticated, remote attacker to conduct cross-site scripting (XSS) attacks against users of the interface of an affected system. These vulnerabilities exist because the web-based management interface does not properly validate user-supplied input. An attacker could exploit these vulnerabilities by inserting malicious data into

Why this priority

  • No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score4.8 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededHigh
User interactionRequired
EPSS exploit chance0.3% (top 80%)
CISA exploited listNo
WeaknessCWE-79
Published2025-01-08
Last modified2026-06-17
Publisher (CNA): Cisco Systems, Inc. · Vendor: cisco

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

Am I affected?

Timeline

cisco crosswork network controller UPGRADE
Affected: >= 5.0.0 and < 5.0.4 · >= 6.0.0 and < 6.0.3 · >= 7.0.0 and < 7.0.1
Fixed in: 5.0.4, 6.0.3, 7.0.1
Safe to downgrade to: a release before 5.0.0
1. Check installed version
apt-cache policy crosswork-network-controller || rpm -q crosswork-network-controller || crosswork-network-controller --version
2. UPGRADE to 5.0.4 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade crosswork-network-controller
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade crosswork-network-controller
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
3. If no update is available yet, DOWNGRADE to a release before 5.0.0 (Debian / Ubuntu)
apt-cache madison crosswork-network-controller sudo apt install crosswork-network-controller=<VERSION_BEFORE_5.0.0> sudo apt-mark hold crosswork-network-controller
3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list crosswork-network-controller sudo dnf downgrade crosswork-network-controller-<VERSION_BEFORE_5.0.0> sudo dnf versionlock add crosswork-network-controller
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-2025-20123?

crosswork network controller: upgrade to 5.0.4, 6.0.3, 7.0.1. Exact commands for each OS are on this page.

Is CVE-2025-20123 being exploited?

CVE-2025-20123 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-2025-20123 affect?

CVE-2025-20123 affects crosswork network controller. Severity is medium (CVSS 4.8). Multiple vulnerabilities in the web-based management interface of Cisco Crosswork Network Controller could allow an authenticated, remote attacker to conduct cross-site scripting (XSS) attacks against users of the interface of an affected s

How urgent is CVE-2025-20123?

Priority 22/100. No elevated risk signals yet.

Software pages

Cisco vulnerabilities

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References

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