CVE-2020-11560: NCH Express Invoice 7.25 allows local users to discover the cleartext password by reading the configuration fi

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HIGH 7.8DOWNGRADE

CVE-2020-11560 is a high-severity flaw (CVSS 7.8) affecting express invoice. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

NCH Express Invoice 7.25 allows local users to discover the cleartext password by reading the configuration file.

Why this priority

High severity
Public exploit reference

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

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	1.0% (top 37%)
CISA exploited list	No
Weakness	CWE-522
Published	2020-04-07
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: nchsoftware

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

Am I affected?

Timeline

2020-04-07 17:15 UTCPublished CVE record published
2026-06-17 02:50 UTCUpdated Record last modified

nchsoftware express invoice DOWNGRADE

Affected: 7.25

Fixed in: no fixed release known

Safe to downgrade to: a release before 7.25

1. Check installed version

apt-cache policy express-invoice || rpm -q express-invoice || express-invoice --version

2. No fixed release: DOWNGRADE to a release before 7.25 (Debian / Ubuntu)

apt-cache madison express-invoice sudo apt install express-invoice=<VERSION_BEFORE_7.25> sudo apt-mark hold express-invoice

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

dnf --showduplicates list express-invoice sudo dnf downgrade express-invoice-<VERSION_BEFORE_7.25> sudo dnf versionlock add express-invoice

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Exploit-DB: NCH Express Invoice - Clear Text Password Storage and Account Takeover

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-2020-11560?

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

Is CVE-2020-11560 being exploited?

CVE-2020-11560 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-2020-11560 affect?

CVE-2020-11560 affects express invoice. Severity is high (CVSS 7.8). NCH Express Invoice 7.25 allows local users to discover the cleartext password by reading the configuration file.

How urgent is CVE-2020-11560?

Priority 48/100. High severity; Public exploit reference

Related CVEs

CVE-2020-13476 MEDIUM 4.8 UPGRADE NCH Express Invoice 8.06 to 8.24 is vulnerable to Reflected XSS in the Quotes List module.
CVE-2020-11561 HIGH 8.8 DOWNGRADE In NCH Express Invoice 7.25, an authenticated low-privilege user can enter a crafted URL to access higher-priv
CVE-2019-16282 MEDIUM 5.4 DOWNGRADE In NCH Express Invoice v7.12, persistent cross site scripting (XSS) exists via the Invoices/Items/Customers/Qu

References

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