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CVE-2020-26177: In tangro Business Workflow before 1.18.1, a user's profile contains some items that are greyed out and thus a

33
Routine
MEDIUM 4.3UPGRADE

CVE-2020-26177 is a medium-severity flaw (CVSS 4.3) affecting business workflow. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

  • Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score4.3 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededLow
User interactionNone
EPSS exploit chance0.6% (top 49%)
CISA exploited listNo
WeaknessCWE-669
Published2020-12-18
Last modified2026-06-17
Publisher (CNA): MITRE · Vendor: tangro

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Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

tangro business workflow UPGRADE
Affected: < 1.18.1
Fixed in: 1.18.1
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy business-workflow || rpm -q business-workflow || business-workflow --version
2. UPGRADE to 1.18.1 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade business-workflow
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade business-workflow
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
Verify at the official source NVD · CVE Program · Report a problem with this page
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-2020-26177?

business workflow: upgrade to 1.18.1. Exact commands for each OS are on this page.

Is CVE-2020-26177 being exploited?

CVE-2020-26177 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-2020-26177 affect?

CVE-2020-26177 affects business workflow. Severity is medium (CVSS 4.3). 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 grey

How urgent is CVE-2020-26177?

Priority 33/100. Public exploit reference

Related CVEs

References

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