CVE-2017-20137: A vulnerability was found in Itech B2B Script 4.28

Routine

MEDIUM 6.3DOWNGRADE

CVE-2017-20137 is a medium-severity flaw (CVSS 6.3) affecting b2b script. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was found in Itech B2B Script 4.28. It has been rated as critical. This issue affects some unknown processing of the file /catcompany.php. The manipulation of the argument token with the input 704667c6a1e7ce56d3d6fa748ab6d9af3fd7' AND 6539=6539 AND 'Fakj'='Fakj leads to sql injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.8% (top 45%)
CISA exploited list	No
Weakness	CWE-89
Published	2022-07-16
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: itechscripts

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

Am I affected?

Timeline

2022-07-16 07:15 UTCPublished CVE record published
2026-06-17 01:15 UTCUpdated Record last modified

itechscripts b2b script DOWNGRADE

Affected: 4.28

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.28

1. Check installed version

apt-cache policy b2b-script || rpm -q b2b-script || b2b-script --version

2. No fixed release: DOWNGRADE to a release before 4.28 (Debian / Ubuntu)

apt-cache madison b2b-script sudo apt install b2b-script=<VERSION_BEFORE_4.28> sudo apt-mark hold b2b-script

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list b2b-script sudo dnf downgrade b2b-script-<VERSION_BEFORE_4.28> sudo dnf versionlock add b2b-script

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2017-20137?

b2b script: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2017-20137 being exploited?

CVE-2017-20137 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-2017-20137 affect?

CVE-2017-20137 affects b2b script. Severity is medium (CVSS 6.3). A vulnerability was found in Itech B2B Script 4.28. It has been rated as critical. This issue affects some unknown processing of the file /catcompany.php. The manipulation of the argument token with the input 704667c6a1e7ce56d3d6fa748ab6d9a

How urgent is CVE-2017-20137?

Priority 36/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

References

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