CVE-2025-52196: Server-Side Request Forgery (SSRF) vulnerability in Ctera Portal 8.1.x (8.1.1417.24) allows remote attackers t

Routine

HIGH 7.5REMOTEDOWNGRADE

CVE-2025-52196 is a high-severity flaw (CVSS 7.5) affecting ctera. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Server-Side Request Forgery (SSRF) vulnerability in Ctera Portal 8.1.x (8.1.1417.24) allows remote attackers to induce the server to make arbitrary HTTP requests via a crafted HTML file containing an iframe.

Why this priority

High severity
Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 72%)
CISA exploited list	No
Weakness	CWE-918
Published	2025-12-16
Last modified	2026-10-05

Publisher (CNA): MITRE · Vendor: ctera

Last updated 2026-10-05 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-12-16 18:16 UTCPublished CVE record published
2026-10-05 18:10 UTCUpdated Record last modified

ctera ctera DOWNGRADE

Affected: 8.1.1417.24

Fixed in: no fixed release known

Safe to downgrade to: a release before 8.1.1417.24

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 8.1.1417.24 (Debian / Ubuntu)

apt-cache madison ctera sudo apt install ctera=<VERSION_BEFORE_8.1.1417.24> sudo apt-mark hold ctera

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

dnf --showduplicates list ctera sudo dnf downgrade ctera-<VERSION_BEFORE_8.1.1417.24> sudo dnf versionlock add ctera

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-2025-52196?

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

Is CVE-2025-52196 being exploited?

CVE-2025-52196 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-2025-52196 affect?

CVE-2025-52196 affects ctera. Severity is high (CVSS 7.5). Server-Side Request Forgery (SSRF) vulnerability in Ctera Portal 8.1.x (8.1.1417.24) allows remote attackers to induce the server to make arbitrary HTTP requests via a crafted HTML file containing an iframe.

How urgent is CVE-2025-52196?

Priority 38/100. High severity; Remotely exploitable, no login, no user action

References

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