How severe is CVE-2021-43339?

CVE-2021-43339 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-43339 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-43339?

CVE-2021-43339 affects Ericsson Network Location. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-43339?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-43339 published?

CVE-2021-43339 was published on 2021-11-03 and last updated on 2026-06-17.

CVE-2021-43339

CVE-2021-43339 is a high-severity vulnerability in Ericsson Network Location with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-77.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 10% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-77
Affected product: Ericsson Network Location
Published: 2021-11-03
Last modified: 2026-06-17

Description

In Ericsson Network Location before 2021-07-31, it is possible for an authenticated attacker to inject commands via file_name in the export functionality. For example, a new admin user could be created.

Frequently asked questions

What is CVE-2021-43339?: In Ericsson Network Location before 2021-07-31, it is possible for an authenticated attacker to inject commands via file_name in the export functionality. For example, a new admin user could be created.
How severe is CVE-2021-43339?: CVE-2021-43339 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-43339 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 10% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-43339?: CVE-2021-43339 affects Ericsson Network Location. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-43339?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-43339 published?: CVE-2021-43339 was published on 2021-11-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ericsson:network_location:*:*:*:*:*:*:*:*

Other CWE-77 (Command Injection) vulnerabilities

CVE-2026-23652 — Critical (CVSS 10.0): Improper neutralization of special elements used in a command ('command injection') in Microsoft Power Pages allows an…
CVE-2025-59818 — Critical (CVSS 10.0): This vulnerability allows authenticated attackers to execute arbitrary commands on the underlying system using the file…
CVE-2025-64093 — Critical (CVSS 10.0): Remote Code Execution vulnerability that allows unauthenticated attackers to inject arbitrary commands into the…
CVE-2025-64090 — Critical (CVSS 10.0): This vulnerability allows authenticated attackers to execute commands via the hostname of the device.
CVE-2025-61492 — Critical (CVSS 10.0): A command injection vulnerability in the execute_command function of terminal-controller-mcp 0.1.7 allows attackers to…
CVE-2025-10035 — Critical (CVSS 10.0): A deserialization vulnerability in the License Servlet of Fortra's GoAnywhere MFT allows an actor with a validly forged…

Browse all CWE-77 (Command Injection) vulnerabilities →