Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2015-3931

25
FAUCET Score

CVE-2015-3931 describes an XML signature wrapping vulnerability in Microsec e-Szigno versions prior to 3.2.7.12. This flaw allows remote attackers to manipulate signed documents by prepending a malicious ds:Object node to a valid one within an e-akta signed document. With a CVSS score of 7.8 (High), successful exploitation could lead to high impacts on confidentiality, integrity, and availability, though it requires user interaction. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.2CPE matchmatch criteria
cpe:2.3:a:microsec:e-szigno:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.8HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.12%
Probability of exploitation in next 30 days
EPSS Percentile
79.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0212 is in the 80th percentile among its peer group of 11,616 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

packetstormsecurity.com / files/132473/Microsec-e-Szigno-Netlock-Mokka-XML-Signature-Wrapping.html
Third Party AdvisoryVDB Entry
e-szigno.hu / letoltesek/programok-driverek.html
Vendor Advisory
search-lab.hu / about-us/news/107-37-million-digitally-signed-documents-had-to-be-reverified
Third Party Advisory
search-lab.hu / eakta
Third Party Advisory
neih.gov.hu
Third Party Advisory
securityfocus.com / bid/75487
Third Party AdvisoryVDB Entry