CVE-2025-49189: The HttpOnlyflag of the session cookie \"@@\" is set to false

Q: How do I fix CVE-2025-49189?

media server: upgrade to 1.5. Exact commands for each OS are on this page.

Q: Is CVE-2025-49189 being exploited?

CVE-2025-49189 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-2025-49189 affect?

CVE-2025-49189 affects media server. Severity is medium (CVSS 5.3). The HttpOnlyflag of the session cookie \"@@\" is set to false. Since this flag helps preventing access to cookies via client-side scripts, setting the flag to false can lead to a higher possibility of Cross-Side-Scripting attacks which targ

Q: How urgent is CVE-2025-49189?

Priority 29/100. Remotely exploitable, no login, no user action

Routine

MEDIUM 5.3REMOTEUPGRADE

CVE-2025-49189 is a medium-severity flaw (CVSS 5.3) affecting media server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The HttpOnlyflag of the session cookie \"@@\" is set to false. Since this flag helps preventing access to cookies via client-side scripts, setting the flag to false can lead to a higher possibility of Cross-Side-Scripting attacks which target the stored cookies.

Why this priority

Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 78%)
CISA exploited list	No
Weakness	CWE-1004
Published	2025-06-12
Last modified	2026-06-17

Publisher (CNA): SICK AG · Vendor: sick

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

Am I affected?

Timeline

2025-06-12 14:15 UTCPublished CVE record published
2026-06-17 09:30 UTCUpdated Record last modified

sick media server UPGRADE

Affected: < 1.5

Fixed in: 1.5

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy media-server || rpm -q media-server || media-server --version

2. UPGRADE to 1.5 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade media-server

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade media-server

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-2025-49189?

media server: upgrade to 1.5. Exact commands for each OS are on this page.

Is CVE-2025-49189 being exploited?

CVE-2025-49189 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-2025-49189 affect?

CVE-2025-49189 affects media server. Severity is medium (CVSS 5.3). The HttpOnlyflag of the session cookie \"@@\" is set to false. Since this flag helps preventing access to cookies via client-side scripts, setting the flag to false can lead to a higher possibility of Cross-Side-Scripting attacks which targ

How urgent is CVE-2025-49189?

Priority 29/100. Remotely exploitable, no login, no user action

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References

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