CVE-2013-6401

mediumpriority · track · 21EPSS 0.020 · 81 %ileDEEUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
2.01% (81st) EPSS
CVSS 5 · medium
Is it mine?
15 products
Check your exposure
Who says so?
4 sources
cnnvd · enisa_euvd · cert_bund · nvd

EPSS · scored 2026-10-27

Jansson, possibly 2.4 and earlier, does not restrict the ability to trigger hash collisions predictably, which allows context-dependent attackers to cause a denial of service (CPU consumption) via a crafted JSON document.

01

cvss

Technical severity, 0–10. One row per scoring source.

5.0
010

base score 0–10 · higher = more severe · hover a vector to decode

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9
v2.04.3mediumAV:N/AC:L/Au:N/C:N/I:N/A:P/E:Usecondary · CVSS-BT (t0sche)
02

weaknesses

The CWE weakness classes this flaw belongs to.

03

affected products (15)

Products and version ranges known to be affected.

04

advisories (1)

Vendor and ecosystem advisories describing this.

  • WID-SEC-W-2025-2843IBM DataPower Gateway (Jansson): Schwachstelle ermöglicht Denial of ServiceDeutsch2025-12-14csaf · cert_bundDE

    Ein entfernter, anonymer Angreifer kann eine Schwachstelle in IBM DataPower Gateway ausnutzen, um einen Denial of Service Angriff durchzuführen.

05

also known as (3)

Other names and identifiers for this entity.

06

sources

Which sources assert this record, and when.

published 2014-03-21modified 2026-06-17
08

references (15)

External citations — patches, advisories, analysis.

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