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CVE-2021-33926

HIGHCVSS 8.8/10EPSS 1.00%

Last modified

CVE-2021-33926 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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, 5.1.6, 5.1.5, 5.1.4, 5.1.2, 5.1.1 5.1, 5.0rc3, 5.0rc2, 5.0rc1, 5.0.9, 5.0.8, 5.0.7, 5.0.6, 5.0.5, 5.0.4, 5.0.3, 5.0.2, 5.0.10, 5.0.1, 5.0, 4.3.9, 4.3.8, 4.3.7, 4.3.6, 4.3.5, 4.3.4, 4.3.3, 4.3.20, 4 allows attacker to access sensitive information via the RSS feed protlet.. EPSS estimates a 1.00% chance of exploitation in the next 30 days.

Description

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, 5.1.6, 5.1.5, 5.1.4, 5.1.2, 5.1.1 5.1, 5.0rc3, 5.0rc2, 5.0rc1, 5.0.9, 5.0.8, 5.0.7, 5.0.6, 5.0.5, 5.0.4, 5.0.3, 5.0.2, 5.0.10, 5.0.1, 5.0, 4.3.9, 4.3.8, 4.3.7, 4.3.6, 4.3.5, 4.3.4, 4.3.3, 4.3.20, 4 allows attacker to access sensitive information via the RSS feed protlet.

Metrics

CVSS 3.1
8.8/10

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

EPSS Probability
1.00%

58.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
PlonePlone4.3—
PlonePlone4.3.1—
PlonePlone4.3.2—
PlonePlone4.3.3—
PlonePlone4.3.4—
PlonePlone4.3.5—
PlonePlone4.3.6—
PlonePlone4.3.7—
PlonePlone4.3.8—
PlonePlone4.3.9—
PlonePlone4.3.10—
PlonePlone4.3.11—
PlonePlone4.3.12—
PlonePlone4.3.14—
PlonePlone4.3.15—
PlonePlone4.3.17—
PlonePlone4.3.18—
PlonePlone4.3.19—
PlonePlone4.3.20—
PlonePlone5.0—
PlonePlone5.0.1—
PlonePlone5.0.2—
PlonePlone5.0.3—
PlonePlone5.0.4—
PlonePlone5.0.5—
PlonePlone5.0.6—
PlonePlone5.0.7—
PlonePlone5.0.8—
PlonePlone5.0.9—
PlonePlone5.0.10—
PlonePlone5.1Alpha2
PlonePlone5.1.1—
PlonePlone5.1.2—
PlonePlone5.1.4—
PlonePlone5.1.5—
PlonePlone5.1.6—
PlonePlone5.1.7—
PlonePlone5.1a1Alpha1
PlonePlone5.1a2Beta4
PlonePlone5.1b2Beta3
PlonePlone5.1b3Beta2
PlonePlone5.1b4Rc2
PlonePlone5.1rc1Rc1
PlonePlone5.1rc2—
PlonePlone5.2.0—
PlonePlone5.2.1—
PlonePlone5.2.2—
PlonePlone5.2.3—
PlonePlone5.2.4—

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-33926?
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, 5.1.6, 5.1.5, 5.1.4, 5.1.2, 5.1.1 5.1, 5.0rc3, 5.0rc2, 5.0rc1, 5.0.9, 5.0.8, 5.0.7, 5.0.6, 5.0.5, 5.0.4, 5.0.3, 5.0.2, 5.0.10, 5.0.1, 5.0, 4.3.9, 4.3.8, 4.3.7, 4.3.6, 4.3.5, 4.3.4, 4.3.3, 4.3.20, 4 allows attacker to access sensitive information via the RSS feed protlet.
How severe is CVE-2021-33926?
CVE-2021-33926 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.00% probability of exploitation in the next 30 days.
How do I fix CVE-2021-33926?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-33926?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST