CVE-2015-3931

Microsec e-Szigno before 3.2.7.12 allows remote attackers to perform XML signature wrapping...

7.8 High

Microsec e-Szigno before 3.2.7.12 allows remote attackers to perform XML signature wrapping attacks via an e-akta signed document with a ds:Object node with a crafted payload prepended to a valid ds:Object.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

2.12%Up 0.8 points since Feb 4, 2022

What each source reports

NVD Score used 7.8

Record: CVE-2015-3931
CVSS 3.0: 7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0: 6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness: CWE-91
Updated: 2026-11-02

CVE List No score

Record: CVE-2015-3931
Updated: 2026-11-02

EUVDEUVD-2015-3963 No score

Record: EUVD-2015-3963
Updated: 2026-11-03

GitHub AdvisoriesGHSA-mpf7-m9x4-8pxw 7.8

Microsec e-Szigno before 3.2.7.12 allows remote attackers to perform XML signature wrapping...

Record: GHSA-mpf7-m9x4-8pxw
CVSS 3.0: 7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness: CWE-91
Updated: 2026-11-02

Affected products

microsec e-szigno

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2015-3931 is a high vulnerability (CVSS 7.8) in Microsec E-szigno, published July 21, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.12%, the 81st percentile. No source names a fixed version.