CVE-2020-7831: A vulnerability in the web-based contract management service interface Ebiz4u of INOGARD could allow an victim

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HIGH 8.8DOWNGRADE

CVE-2020-7831 is a high-severity flaw (CVSS 8.8) affecting ebiz4u. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability in the web-based contract management service interface Ebiz4u of INOGARD could allow an victim user to download any file. The attacker is able to use startup menu directory via directory traversal for automatic execution. The victim user need to reboot, however.

Why this priority

High severity

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

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.9% (top 41%)
CISA exploited list	No
Weakness	CWE-494
Published	2020-08-24
Last modified	2026-06-17

Publisher (CNA): KrCERT/CC · Vendor: inogard

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

Am I affected?

Timeline

2020-08-24 15:15 UTCPublished CVE record published
2026-06-17 03:25 UTCUpdated Record last modified

inogard ebiz4u DOWNGRADE

Affected: cviewer_object_1.0.5.1

Fixed in: no fixed release known

Safe to downgrade to: a release before cviewer_object_1.0.5.1

1. Check installed version

apt-cache policy ebiz4u || rpm -q ebiz4u || ebiz4u --version

2. No fixed release: DOWNGRADE to a release before cviewer_object_1.0.5.1 (Debian / Ubuntu)

apt-cache madison ebiz4u sudo apt install ebiz4u=<VERSION_BEFORE_cviewer_object_1.0.5.1> sudo apt-mark hold ebiz4u

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

dnf --showduplicates list ebiz4u sudo dnf downgrade ebiz4u-<VERSION_BEFORE_cviewer_object_1.0.5.1> sudo dnf versionlock add ebiz4u

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-2020-7831?

ebiz4u: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-7831 being exploited?

CVE-2020-7831 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-2020-7831 affect?

CVE-2020-7831 affects ebiz4u. Severity is high (CVSS 8.8). A vulnerability in the web-based contract management service interface Ebiz4u of INOGARD could allow an victim user to download any file. The attacker is able to use startup menu directory via directory traversal for automatic execution. Th

How urgent is CVE-2020-7831?

Priority 45/100. High severity

References

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