CVE-2021-4313: A vulnerability was found in NethServer phonenehome

Q: How do I fix CVE-2021-4313?

nethserver-phonenehome: upgrade to 2021-09-28. Exact commands for each OS are on this page.

Q: Is CVE-2021-4313 being exploited?

CVE-2021-4313 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-2021-4313 affect?

CVE-2021-4313 affects nethserver-phonenehome. Severity is medium (CVSS 5.5). A vulnerability was found in NethServer phonenehome. It has been rated as critical. This issue affects the function get_info/get_country_coor of the file server/index.php. The manipulation leads to sql injection. The identifier of the patch

Q: How urgent is CVE-2021-4313?

Priority 33/100. No elevated risk signals yet.

Routine

MEDIUM 5.5UPGRADE

CVE-2021-4313 is a medium-severity flaw (CVSS 5.5) affecting nethserver-phonenehome. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was found in NethServer phonenehome. It has been rated as critical. This issue affects the function get_info/get_country_coor of the file server/index.php. The manipulation leads to sql injection. The identifier of the patch is 759c30b0ddd7d493836bbdf695cf71624b377391. It is recommended to apply a patch to fix this issue. The identifier VDB-218393 was assigned to this vulnerability.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.7% (top 47%)
CISA exploited list	No
Weakness	CWE-89
Published	2023-01-16
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: nethserver-phonenehome project

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

Am I affected?

Timeline

2023-01-16 12:15 UTCPublished CVE record published
2026-06-17 04:19 UTCUpdated Record last modified

nethserver-phonenehome project nethserver-phonenehome UPGRADE

Affected: < 2021-09-28

Fixed in: 2021-09-28

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy nethserver-phonenehome || rpm -q nethserver-phonenehome || nethserver-phonenehome --version

2. UPGRADE to 2021-09-28 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade nethserver-phonenehome

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade nethserver-phonenehome

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-2021-4313?

nethserver-phonenehome: upgrade to 2021-09-28. Exact commands for each OS are on this page.

Is CVE-2021-4313 being exploited?

CVE-2021-4313 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-2021-4313 affect?

CVE-2021-4313 affects nethserver-phonenehome. Severity is medium (CVSS 5.5). A vulnerability was found in NethServer phonenehome. It has been rated as critical. This issue affects the function get_info/get_country_coor of the file server/index.php. The manipulation leads to sql injection. The identifier of the patch

How urgent is CVE-2021-4313?

Priority 33/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

References

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