How severe is CVE-2012-5505?

CVE-2012-5505 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2012-5505 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-2012-5505?

CVE-2012-5505 primarily affects Plone. In total, 72 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-5505?

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

When was CVE-2012-5505 published?

CVE-2012-5505 was published on 2014-09-30 and last updated on 2026-06-16.

CVE-2012-5505

CVE-2012-5505 is a medium-severity vulnerability in Plone with a CVSS 2.0 base score of 5.0. 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-200.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Plone
Published: 2014-09-30
Last modified: 2026-06-16

Description

atat.py in Plone before 4.2.3 and 4.3 before beta 1 allows remote attackers to read private data structures via a request for a view without a name.

Frequently asked questions

What is CVE-2012-5505?: atat.py in Plone before 4.2.3 and 4.3 before beta 1 allows remote attackers to read private data structures via a request for a view without a name.
How severe is CVE-2012-5505?: CVE-2012-5505 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2012-5505 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-2012-5505?: CVE-2012-5505 primarily affects Plone. In total, 72 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-5505?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-5505 published?: CVE-2012-5505 was published on 2014-09-30 and last updated on 2026-06-16.

References

Affected products (72)

cpe:2.3:a:plone:plone:*:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:1.0:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:1.0.1:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:1.0.2:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:1.0.3:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:1.0.4:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:1.0.5:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:1.0.6:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.0:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.0.1:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.0.2:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.0.3:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.0.4:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.0.5:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.1:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.1.1:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.1.2:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.1.3:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.1.4:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.5:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.5.1:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.5.2:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.5.3:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.5.4:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:2.5.5:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.0:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.0.1:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.0.2:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.0.3:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.0.4:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.0.5:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.0.6:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.1:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.1.1:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.1.2:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.1.3:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.1.4:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.1.5.1:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.1.6:*:*:*:*:*:*:*
cpe:2.3:a:plone:plone:3.1.7:*:*:*:*:*:*:*

More vulnerabilities in Plone

CVE-2021-33509 — Critical (CVSS 9.9): Plone through 5.2.4 allows remote authenticated managers to perform disk I/O via crafted keyword arguments to the…
CVE-2020-35190 — Critical (CVSS 9.8): The official plone Docker images before version of 4.3.18-alpine (Alpine specific) contain a blank password for a root…
CVE-2020-7941 — Critical (CVSS 9.8): A privilege escalation issue in plone.app.contenttypes in Plone 4.3 through 5.2.1 allows users to PUT (overwrite) some…
CVE-2011-4030 — Critical (CVSS 9.3): The CMFEditions component 2.x in Plone 4.0.x through 4.0.9, 4.1, and 4.2 through 4.2a2 does not prevent the…
CVE-2011-3587 — Critical (CVSS 9.3): Unspecified vulnerability in Zope 2.12.x and 2.13.x, as used in Plone 4.0.x through 4.0.9, 4.1, and 4.2 through 4.2a2,…
CVE-2021-33926 — High (CVSS 8.8): An issue in Plone CMS v. 5.2.4, 5.2.3, 5.2.2, 5.2.1, 5.2.0, 5.1rc2, 5.1rc1, 5.1b4, 5.1b3, 5.1b2, 5.1a2, 5.1a1, 5.1.7,…

All CVEs affecting Plone →

Other CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor) vulnerabilities

CVE-2026-27604 — Critical (CVSS 10.0): FOSSBilling is a free, open-source billing and client management system. Starting in version 0.5.4 and prior to version…
CVE-2026-40965 — Critical (CVSS 10.0): Cloud Foundry UAA versions v76.12.0 through v78.12.0 are vulnerable to a private key exposure. The server contains a…
CVE-2026-42826 — Critical (CVSS 10.0): Exposure of sensitive information to an unauthorized actor in Azure DevOps allows an unauthorized attacker to disclose…
CVE-2025-29270 — Critical (CVSS 10.0): Incorrect access control in the realtime.cgi endpoint of Deep Sea Electronics devices DSE855 v1.1.0 to v1.1.26 allows…
CVE-2025-61481 — Critical (CVSS 10.0): An issue in MikroTik RouterOS v.7.14.2 and SwOS v.2.18 exposes the WebFig management interface over cleartext HTTP by…
CVE-2025-53624 — Critical (CVSS 10.0): The Docusaurus gists plugin adds a page to your Docusaurus instance, displaying all public gists of a GitHub user.…

Browse all CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor) vulnerabilities →