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Fencer Vulns
medium 4.7

CVE-2019-16354 json

Incorrect Default Permissions in Beego

published 2019-09-16 7 y ago modified 2026-06-17 4 mo ago also CVE-2019-16355 , GHSA-f6px-w8rh-7r89 , GHSA-hf4p-4j9r-3cvx , GO-2021-0084 , EUVD-2021-1694

cvss
4.7
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 9%
public exploits
0
none known

Summary

The File Session Manager in Beego 1.10.0 allows local users to read session files because there is a race condition involving file creation within a directory with weak permissions.

Patch / fix

  • go github.com/beego/beego 1.12.2
  • go github.com/astaxie/beego 1.12.2

Exploit prediction

0.20% chance of exploitation in the next 30 days, higher than 9% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 1.9 AV:L/AC:M/Au:N/C:P/I:N/A:N
GitHub 3.1 5.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
GitHub 3.1 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected packages

ecosystem package affected fixed in
go github.com/beego/beego
<1.12.2
1.12.2
go github.com/astaxie/beego
<1.12.2
1.12.2

Classification

Weakness
  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization
  • CWE-732 Incorrect Permission Assignment for Critical Resource
  • CWE-276 Incorrect Default Permissions

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.