CVE-2024-6398: An information disclosure vulnerability in SWG in versions 12.x prior to 12.2.10 and 11.x prior to 11.2.24 all

Routine

MEDIUM 4.3UPGRADE

CVE-2024-6398 is a medium-severity flaw (CVSS 4.3) affecting secure web gateway. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An information disclosure vulnerability in SWG in versions 12.x prior to 12.2.10 and 11.x prior to 11.2.24 allows information stored in a customizable block page to be disclosed to third-party websites due to Same Origin Policy Bypass of browsers in certain scenarios. The risk is low, because other recommended default security policies such as URL categorization and GTI are in place in most policies to block access to uncategorized/high risk webs

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.3% (top 74%)
CISA exploited list	No
Weakness	CWE-200
Published	2024-07-15
Last modified	2026-06-17

Publisher (CNA): Trellix · Vendor: skyhighsecurity

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

Am I affected?

Timeline

2024-07-15 09:15 UTCPublished CVE record published
2026-06-17 08:17 UTCUpdated Record last modified

skyhighsecurity secure web gateway UPGRADE

Affected: >= 11.0.0 and < 11.2.24 · >= 12.0.0 and < 12.2.10

Fixed in: 11.2.24, 12.2.10

Safe to downgrade to: a release before 11.0.0

1. Check installed version

apt-cache policy secure-web-gateway || rpm -q secure-web-gateway || secure-web-gateway --version

2. UPGRADE to 11.2.24 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade secure-web-gateway

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade secure-web-gateway

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 11.0.0 (Debian / Ubuntu)

apt-cache madison secure-web-gateway sudo apt install secure-web-gateway=<VERSION_BEFORE_11.0.0> sudo apt-mark hold secure-web-gateway

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list secure-web-gateway sudo dnf downgrade secure-web-gateway-<VERSION_BEFORE_11.0.0> sudo dnf versionlock add secure-web-gateway

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-2024-6398?

secure web gateway: upgrade to 11.2.24, 12.2.10. Exact commands for each OS are on this page.

Is CVE-2024-6398 being exploited?

CVE-2024-6398 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-2024-6398 affect?

CVE-2024-6398 affects secure web gateway. Severity is medium (CVSS 4.3). An information disclosure vulnerability in SWG in versions 12.x prior to 12.2.10 and 11.x prior to 11.2.24 allows information stored in a customizable block page to be disclosed to third-party websites due to Same Origin Policy Bypass of br

How urgent is CVE-2024-6398?

Priority 22/100. No elevated risk signals yet.

Related CVEs

CVE-2024-3378 MEDIUM 4.3 UPGRADE A vulnerability has been found in iboss Secure Web Gateway up to 10.1 and classified as problematic
CVE-2023-4400 MEDIUM 6.2 UPGRADE A password management vulnerability in Skyhigh Secure Web Gateway (SWG) in main releases 11.x prior to 11.2.1

References

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