PatchTheCVECVE-2015-3931: Microsec e-Szigno before 3.2.7.12 allows remote attackers to perform XML signature wrapping attacks via an e-a
CVE-2015-3931 is a high-severity flaw (CVSS 7.8) affecting e-szigno. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- High severity
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.8 (High) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 2.1% (top 18%) |
| CISA exploited list | No |
| Weakness | CWE-91 |
| Published | 2017-07-21 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
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-2015-3931?
e-szigno: upgrade to newer than 3.2. Exact commands for each OS are on this page.
Is CVE-2015-3931 being exploited?
CVE-2015-3931 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-2015-3931 affect?
CVE-2015-3931 affects e-szigno. Severity is high (CVSS 7.8). 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.
How urgent is CVE-2015-3931?
Priority 48/100. High severity