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CVE-2020-7940

23
FAUCET Score

CVE-2020-7940 describes a missing password strength check vulnerability in Plone versions 4.3 through 5.2.0, allowing users to set weak passwords. This flaw has a CVSS score of 7.5 (HIGH), indicating a network-exploitable vulnerability with low attack complexity that could lead to high integrity impacts. While no active exploitation, public exploit code, or significant community discussion has been observed, the potential for easier password cracking remains a concern.

Impacted Technologies

VendorProductVersion(s)CPE
>= 4.3.0, <= 5.2.0CPE matchmatch criteria
cpe:2.3:a:plone:plone:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.26%
Probability of exploitation in next 30 days
EPSS Percentile
66.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0126 is in the 46th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

pippatch availablevia ghsa
Product: PloneFixed in: 4.3.20
pippatch availablevia ghsa
Product: PloneFixed in: 5.1.7
pippatch availablevia ghsa
Product: PloneFixed in: 5.2.2

Vendor Advisories (2)

pipGHSA-cw58-gpgw-hwx2high

Plone allows weak passwords

May 24, 2022
redhatCVE-2020-7940Low

plone: missing password strength checks on some forms

Jan 23, 2020

References

plone.org / security/hotfix/20200121
Vendor Advisory
plone.org / security/hotfix/20200121/password-strength-checks-were-not-always-checked
Vendor Advisory
openwall.com / lists/oss-security/2020/01/22/1
Mailing ListThird Party Advisory
openwall.com / lists/oss-security/2020/01/24/1
Third Party Advisory