How severe is CVE-2021-43564?

CVE-2021-43564 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-43564 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-43564?

CVE-2021-43564 affects Job Fair Project Job Fair. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-43564?

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-2021-43564 published?

CVE-2021-43564 was published on 2021-11-10 and last updated on 2026-06-17.

CVE-2021-43564

CVE-2021-43564 is a high-severity vulnerability in Job Fair Project Job Fair with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Job Fair Project Job Fair
Published: 2021-11-10
Last modified: 2026-06-17

Description

An issue was discovered in the jobfair (aka Job Fair) extension before 1.0.13 and 2.x before 2.0.2 for TYPO3. The extension fails to protect or obfuscate filenames of uploaded files. This allows unauthenticated users to download files with sensitive data by simply guessing the filename of uploaded files (e.g., uploads/tx_jobfair/cv.pdf).

Frequently asked questions

What is CVE-2021-43564?: An issue was discovered in the jobfair (aka Job Fair) extension before 1.0.13 and 2.x before 2.0.2 for TYPO3. The extension fails to protect or obfuscate filenames of uploaded files. This allows unauthenticated users to download files with sensitive data by simply guessing the filename of uploaded files (e.g., uploads/tx_jobfair/cv.pdf).
How severe is CVE-2021-43564?: CVE-2021-43564 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-43564 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-43564?: CVE-2021-43564 affects Job Fair Project Job Fair. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-43564?: 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-2021-43564 published?: CVE-2021-43564 was published on 2021-11-10 and last updated on 2026-06-17.

References

https://typo3.org/security/advisory/typo3-ext-sa-2021-018

Affected products (1)

cpe:2.3:a:job_fair_project:job_fair:*:*:*:*:*:typo3:*:*

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