CVE-2020-13474: In NCH Express Accounts 8.24 and earlier, an authenticated low-privilege user can enter a crafted URL to acces

Q: How do I fix CVE-2020-13474?

express accounts: upgrade to newer than 8.24. Exact commands for each OS are on this page.

Q: Is CVE-2020-13474 being exploited?

CVE-2020-13474 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-2020-13474 affect?

CVE-2020-13474 affects express accounts. Severity is medium (CVSS 6.5). In NCH Express Accounts 8.24 and earlier, an authenticated low-privilege user can enter a crafted URL to access higher-privileged functionalities such as Add/Edit users.

Q: How urgent is CVE-2020-13474?

Priority 42/100. Public exploit reference

This month

MEDIUM 6.5UPGRADE

CVE-2020-13474 is a medium-severity flaw (CVSS 6.5) affecting express accounts. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In NCH Express Accounts 8.24 and earlier, an authenticated low-privilege user can enter a crafted URL to access higher-privileged functionalities such as Add/Edit users.

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (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-425
Published	2020-12-28
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

2020-12-28 22:15 UTCPublished CVE record published
2026-06-17 02:53 UTCUpdated Record last modified

nchsoftware express accounts UPGRADE

Affected: <= 8.24

Fixed in: newer than 8.24

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 8.24 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade express-accounts

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade express-accounts

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-2020-13474?

express accounts: upgrade to newer than 8.24. Exact commands for each OS are on this page.

Is CVE-2020-13474 being exploited?

CVE-2020-13474 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-2020-13474 affect?

CVE-2020-13474 affects express accounts. Severity is medium (CVSS 6.5). In NCH Express Accounts 8.24 and earlier, an authenticated low-privilege user can enter a crafted URL to access higher-privileged functionalities such as Add/Edit users.

How urgent is CVE-2020-13474?

Priority 42/100. Public exploit reference

Related CVEs

CVE-2020-13473 MEDIUM 5.5 UPGRADE NCH Express Accounts 8.24 and earlier allows local users to discover the cleartext password by reading the con

References

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