CVE-2021-33511
HIGHCVSS 7.5/10EPSS 1.20%
Last modified
CVE-2021-33511 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Plone though 5.2.4 allows SSRF via the lxml parser. This affects Diazo themes, Dexterity TTW schemas, and modeleditors in plone.app.theming, plone.app.dexterity, and plone.supermodel.. EPSS estimates a 1.20% chance of exploitation in the next 30 days.
Description
Plone though 5.2.4 allows SSRF via the lxml parser. This affects Diazo themes, Dexterity TTW schemas, and modeleditors in plone.app.theming, plone.app.dexterity, and plone.supermodel.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Plone | Plone | <= 5.2.4 |
References
- http://www.openwall.com/lists/oss-security/2021/05/22/1Mailing List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2021/05/22/1Mailing List, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-33511?
Plone though 5.2.4 allows SSRF via the lxml parser. This affects Diazo themes, Dexterity TTW schemas, and modeleditors in plone.app.theming, plone.app.dexterity, and plone.supermodel.
How severe is CVE-2021-33511?
CVE-2021-33511 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.20% probability of exploitation in the next 30 days.
How do I fix CVE-2021-33511?
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-2021-33511?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST