CVE-2020-13969: CRK Business Platform <= 2019.1 allows reflected XSS via erro.aspx on 'CRK', 'IDContratante', 'Erro', or 'Mod'

Q: How do I fix CVE-2020-13969?

business platform: upgrade to newer than 2019.1. Exact commands for each OS are on this page.

Q: Is CVE-2020-13969 being exploited?

CVE-2020-13969 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2020-13969 affect?

CVE-2020-13969 affects business platform. Severity is medium (CVSS 6.1). CRK Business Platform <= 2019.1 allows reflected XSS via erro.aspx on 'CRK', 'IDContratante', 'Erro', or 'Mod' parameter. This is path-independent.

Q: How urgent is CVE-2020-13969?

Priority 39/100. Public exploit reference

Routine

MEDIUM 6.1UPGRADE

CVE-2020-13969 is a medium-severity flaw (CVSS 6.1) affecting business platform. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

CRK Business Platform <= 2019.1 allows reflected XSS via erro.aspx on 'CRK', 'IDContratante', 'Erro', or 'Mod' parameter. This is path-independent.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.7% (top 48%)
CISA exploited list	No
Weakness	CWE-79
Published	2020-12-23
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: crk

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

Am I affected?

Timeline

2020-12-23 18:15 UTCPublished CVE record published
2026-06-17 02:54 UTCUpdated Record last modified

crk business platform UPGRADE

Affected: <= 2019.1

Fixed in: newer than 2019.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy business-platform || rpm -q business-platform || business-platform --version

2. UPGRADE to newer than 2019.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade business-platform

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade business-platform

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-2020-13969?

business platform: upgrade to newer than 2019.1. Exact commands for each OS are on this page.

Is CVE-2020-13969 being exploited?

CVE-2020-13969 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-2020-13969 affect?

CVE-2020-13969 affects business platform. Severity is medium (CVSS 6.1). CRK Business Platform <= 2019.1 allows reflected XSS via erro.aspx on 'CRK', 'IDContratante', 'Erro', or 'Mod' parameter. This is path-independent.

How urgent is CVE-2020-13969?

Priority 39/100. Public exploit reference

Related CVEs

CVE-2020-13968 CRITICAL 9.8 UPGRADE CRK Business Platform <= 2019.1 allows can inject SQL statements against the DB on any path using the 'strSess

References

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