CVE-2020-21244: An issue was discovered in FrontAccounting 2.4.7

Routine

MEDIUM 4.9DOWNGRADE

CVE-2020-21244 is a medium-severity flaw (CVSS 4.9) affecting frontaccounting. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in FrontAccounting 2.4.7. There is a Directory Traversal vulnerability that can empty folder via admin/inst_lang.php.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	4.9 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	1.0% (top 37%)
CISA exploited list	No
Weakness	CWE-22
Published	2020-09-30
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: frontaccounting

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

Am I affected?

Timeline

2020-09-30 18:15 UTCPublished CVE record published
2026-06-17 03:03 UTCUpdated Record last modified

frontaccounting frontaccounting DOWNGRADE

Affected: 2.4.7

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.4.7

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.4.7 (Debian / Ubuntu)

apt-cache madison frontaccounting sudo apt install frontaccounting=<VERSION_BEFORE_2.4.7> sudo apt-mark hold frontaccounting

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

dnf --showduplicates list frontaccounting sudo dnf downgrade frontaccounting-<VERSION_BEFORE_2.4.7> sudo dnf versionlock add frontaccounting

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-2020-21244?

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

Is CVE-2020-21244 being exploited?

CVE-2020-21244 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-2020-21244 affect?

CVE-2020-21244 affects frontaccounting. Severity is medium (CVSS 4.9). An issue was discovered in FrontAccounting 2.4.7. There is a Directory Traversal vulnerability that can empty folder via admin/inst_lang.php.

How urgent is CVE-2020-21244?

Priority 38/100. Public exploit reference

Software pages

PHP vulnerabilities

Related CVEs

CVE-2019-5720 CRITICAL 9.8 DOWNGRADE includes/db/class.reflines_db.inc in FrontAccounting 2.4.6 contains a SQL Injection vulnerability in the refer
CVE-2018-7176 HIGH 8.8 DOWNGRADE FrontAccounting 2.4.3 suffers from a CSRF flaw, which leads to adding a user account via admin/users.php (aka
CVE-2018-1000890 HIGH 7.5 DOWNGRADE FrontAccounting 2.4.5 contains a Time Based Blind SQL Injection vulnerability in the parameter "filterType" in

References

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