CVE-2021-40886
CVE-2021-40886 is a medium-severity vulnerability in Projectsend with a CVSS 3.x base score of 6.5. 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-22.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- CVSS v2: 4.0
- EPSS exploit prediction: 1% (69th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-22
- Affected product: Projectsend
- Published:
- Last modified:
Description
Projectsend version r1295 is affected by a directory traversal vulnerability. A user with Uploader role can add value `2` for `chunks` parameter to bypass `fileName` sanitization.
Frequently asked questions
- What is CVE-2021-40886?
- Projectsend version r1295 is affected by a directory traversal vulnerability. A user with Uploader role can add value `2` for `chunks` parameter to bypass `fileName` sanitization.
- How severe is CVE-2021-40886?
- CVE-2021-40886 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
- Is CVE-2021-40886 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-40886?
- CVE-2021-40886 affects Projectsend. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-40886?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-40886 published?
- CVE-2021-40886 was published on 2021-10-11 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:projectsend:projectsend:r1295:*:*:*:*:*:*:*
More vulnerabilities in Projectsend
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- CVE-2021-40887 — Critical (CVSS 9.8): Projectsend version r1295 is affected by a directory traversal vulnerability. Because of lacking sanitization input for…
- CVE-2016-10734 — Critical (CVSS 9.8): ProjectSend (formerly cFTP) r582 allows Insecure Direct Object Reference via includes/actions.log.export.php.
- CVE-2016-10733 — Critical (CVSS 9.8): ProjectSend (formerly cFTP) r582 allows directory traversal via file=../ in the process-zip-download.php query string.
- CVE-2016-10732 — Critical (CVSS 9.8): ProjectSend (formerly cFTP) r582 allows authentication bypass via a direct request for users.php, home.php,…
All CVEs affecting Projectsend →
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