How severe is CVE-2021-34074?

CVE-2021-34074 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-34074 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-34074?

CVE-2021-34074 affects Pandorafms Pandora Fms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-34074?

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

When was CVE-2021-34074 published?

CVE-2021-34074 was published on 2021-06-25 and last updated on 2026-06-17.

CVE-2021-34074

Q: What is CVE-2021-34074?

PandoraFMS <=7.54 allows arbitrary file upload, it leading to remote command execution via the File Manager. To bypass the built-in protection, a relative path is used in the requests.

CVE-2021-34074 is a critical-severity vulnerability in Pandorafms Pandora Fms with a CVSS 3.x base score of 9.8. 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-434.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 7% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Pandorafms Pandora Fms
Published: 2021-06-25
Last modified: 2026-06-17

Description

PandoraFMS <=7.54 allows arbitrary file upload, it leading to remote command execution via the File Manager. To bypass the built-in protection, a relative path is used in the requests.

Frequently asked questions

What is CVE-2021-34074?: PandoraFMS <=7.54 allows arbitrary file upload, it leading to remote command execution via the File Manager. To bypass the built-in protection, a relative path is used in the requests.
How severe is CVE-2021-34074?: CVE-2021-34074 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-34074 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-34074?: CVE-2021-34074 affects Pandorafms Pandora Fms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-34074?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-34074 published?: CVE-2021-34074 was published on 2021-06-25 and last updated on 2026-06-17.

References

https://k4m1ll0.com/cve-pandorafms754-chained-xss-rce.html

Affected products (1)

cpe:2.3:a:pandorafms:pandora_fms:*:*:*:*:*:*:*:*

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