Is CVE-2021-35949 in the CISA KEV catalog?

No. CVE-2021-35949 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-35949?

CVE-2021-35949 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2021-35949?

CVE-2021-35949 has an EPSS score of 0.91% (56th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-35949?

Upgrade owncloud to 10.8.0 or later.

CVE & CISA-KEV Catalog

CVE-2021-35949

MEDIUM

5.3

CVSS v3

NVD

Description

The shareinfo controller in the ownCloud Server before 10.8.0 allows an attacker to bypass the permission checks for upload only shares and list metadata about the share.

CWE-863Incorrect Authorization

How to fix

Remediation Available

owncloudNVD

Affected:< 10.8.0Fixed in:10.8.0CVE-2021-35949derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Exploit Intelligence

0.91%probability of exploitation in 30 days

56thpercentile

Moderate risk: more likely to be exploited than 56% of all known CVEs.

References

Vendor Advisory2

Related Vulnerabilities

Other CWE-863 (Incorrect Authorization) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-22518	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-38035	Critical	9.8	100%	KEV + Ransom	-
CVE-2022-46169	Critical	9.8	100%	KEV	Fix
CVE-2025-29927	Critical	9.1	100%	-	Fix
CVE-2024-38856	Critical	9.8	99%	KEV	Fix
CVE-2020-36289	Medium	5.3	99%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.