Skip to content
On CISA KEVMedium

CVE-2024-3378Secure Web Gateway XSS

Affected by this vulnerability is an unknown functionality of the file /login of the component Login Portal.

Published Apr 6, 2024 · Updated Nov 21, 2024

Key Facts

Patch immediately
  • CVE-2024-3378 is a medium-severity vulnerability (CVSS 6.1 v3.1) affecting Secure Web Gateway (Iboss).
  • It is exploited in the wild, listed in Industry KEV feed since Dec 10, 2024. No public exploit code is known.
  • EPSS estimates a 22% probability of exploitation in the next 30 days.
  • Fixed versions are available, including Secure Web Gateway 10.2.0.160.
  • Brandefense priority: patch immediately, because it is listed as exploited in the wild.

Scores

CVSS v3.1

6.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS (30-day exploit likelihood)

22%

Higher than 97.6% of all scored CVEs

Exploit maturity

Exploited (KEV)

ATLAS score

47/100

Publication score, see How it works

Exploitation Verdict

KEV listed

Dec 10, 2024

248 days after publication

Federal due date

None

No federal due date

Ransomware use

Not reported

Attributed actors

None named

Exploit & Defence Guidance

Exploit maturity

Exploited (KEV)

Public exploit code

1

Proof-of-concept links

In-the-wild evidence

1

Reports of active use

Description

A vulnerability has been found in iboss Secure Web Gateway up to 10.1 and classified as problematic. Affected by this vulnerability is an unknown functionality of the file /login of the component Login Portal. The manipulation of the argument redirectUrl leads to cross site scripting.

The attack can be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 10.2.0.160 is able to address this issue.

It is recommended to upgrade the affected component. The identifier VDB-259501 was assigned to this vulnerability.

Known-Exploited Catalog Listings

CatalogAddedRemediation dueRansomware use
Industry KEV feedDec 10, 2024n/aNot reported

Affected Products

2 affected entries in total
ProductAffected versionsFixed in
Secure Web GatewayIboss>= 10.010.2.0.160

Patched Releases

Secure Web Gateway

10.2.0.160

Timeline

  1. Publicly disclosed

    Apr 6, 2024

  2. Last updated

    Nov 21, 2024

  3. Added to Industry KEV feed

    Dec 10, 2024

Weakness Type

  • CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

FAQ

Common Questions.

Is CVE-2024-3378 On Your Attack Surface?

Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.

Request A Demo

More vulnerabilities

Figures as of Oct 24, 2026. Compiled by Brandefense technologies from public vulnerability catalogs; scoring as described in How it works.

To report an error, contact Brandefense.