How severe is CVE-2015-2821?

CVE-2015-2821 has a CVSS 2.0 base score of 6.5, rated medium severity.

Is CVE-2015-2821 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-2821?

CVE-2015-2821 primarily affects Typo3 Neos. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-2821?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2015-2821 published?

CVE-2015-2821 was published on 2015-04-01 and last updated on 2026-06-17.

CVE-2015-2821

CVE-2015-2821 is a medium-severity vulnerability in Typo3 Neos with a CVSS 2.0 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-264.

Key facts

Severity: Medium (CVSS 2.0 base score 6.5)
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Typo3 Neos
Published: 2015-04-01
Last modified: 2026-06-17

Description

TYPO3 Neos 1.1.x before 1.1.3 and 1.2.x before 1.2.3 allows remote editors to access, create, and modify content nodes in the workspace of other editors via unspecified vectors.

Frequently asked questions

What is CVE-2015-2821?: TYPO3 Neos 1.1.x before 1.1.3 and 1.2.x before 1.2.3 allows remote editors to access, create, and modify content nodes in the workspace of other editors via unspecified vectors.
How severe is CVE-2015-2821?: CVE-2015-2821 has a CVSS 2.0 base score of 6.5, rated medium severity.
Is CVE-2015-2821 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-2821?: CVE-2015-2821 primarily affects Typo3 Neos. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-2821?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-2821 published?: CVE-2015-2821 was published on 2015-04-01 and last updated on 2026-06-17.

References

Affected products (6)

cpe:2.3:a:typo3:neos:1.1.0:*:*:*:*:*:*:*
cpe:2.3:a:typo3:neos:1.1.1:*:*:*:*:*:*:*
cpe:2.3:a:typo3:neos:1.1.2:*:*:*:*:*:*:*
cpe:2.3:a:typo3:neos:1.2.0:*:*:*:*:*:*:*
cpe:2.3:a:typo3:neos:1.2.1:*:*:*:*:*:*:*
cpe:2.3:a:typo3:neos:1.2.2:*:*:*:*:*:*:*

Other CWE-264 (Permissions, Privileges, and Access Controls) vulnerabilities

CVE-2016-8363 — Critical (CVSS 10.0): An issue was discovered in Moxa OnCell OnCellG3470A-LTE, AWK-1131A/3131A/4131A Series, AWK-3191 Series, AWK-5232/6232…
CVE-2016-7457 — Critical (CVSS 10.0): VMware vRealize Operations (aka vROps) 6.x before 6.4.0 allows remote authenticated users to gain privileges, or halt…
CVE-2015-7425 — Critical (CVSS 10.0): The Data Protection component in the VMware vSphere GUI in IBM Tivoli Storage Manager for Virtual Environments: Data…
CVE-2015-8267 — Critical (CVSS 10.0): The PasswordReset.Controllers.ResetController.ChangePasswordIndex method in PasswordReset.dll in Dovestones AD Self…
CVE-2015-7919 — Critical (CVSS 10.0): SearchBlox 8.3 before 8.3.1 allows remote attackers to write to the config file, and consequently cause a denial of…
CVE-2015-7071 — Critical (CVSS 10.0): The File Bookmark component in Apple OS X before 10.11.2 allows attackers to bypass a sandbox protection mechanism for…

Browse all CWE-264 (Permissions, Privileges, and Access Controls) vulnerabilities →