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Fencer Vulns
medium 4.3

CVE-2020-26177 json

In tangro Business Workflow before 1.18.1, a user's profile contains some items that are greyed out and thus are not intended to be edited…

published 2020-12-18 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-18802

cvss
4.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.6%
EPSS 0.6% chance of exploitation in 30 days, percentile 51%
public exploits
0
none known

Summary

In tangro Business Workflow before 1.18.1, a user's profile contains some items that are greyed out and thus are not intended to be edited by regular users. However, this restriction is only applied client-side. Manipulating any of the greyed-out values in requests to /api/profile is not prohibited server-side.

Patch / fix

  • tangro business_workflow 1.18.1

Exploit prediction

0.65% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • blog.to.com https://blog.to.com/advisory-tangro-bwf-1-17-5-multiple-vulnerabilities/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 4.3 CVSS:3.1/AC:L/AV:N/A:N/C:N/I:L/PR:L/S:U/UI:N
CNA 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
NVD 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:N/I:P/A:N

Classification

Weakness
  • CWE-669 Incorrect Resource Transfer Between Spheres

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.