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CVE-2017-20001

23
FAUCET Score

CVE-2017-20001 describes a critical weakness in the AES encryption project for Drupal versions 7.x and 8.x, allowing attackers to decrypt sensitive data due to insufficient cryptographic protection. This vulnerability carries a high CVSS score of 7.5, indicating a severe risk where an unauthenticated attacker can remotely compromise data confidentiality with low attack complexity. Despite its high severity, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 7.x-1.4, <= 7.x-1.10CPE matchmatch criteria
cpe:2.3:a:aes_encryption_project:aes_encryption:*:*:*:*:*:drupal:*:*
>= 8.x-2.1, <= 8.x-2.4CPE matchmatch criteria
cpe:2.3:a:aes_encryption_project:aes_encryption:*:*:*:*:*:drupal:*:*

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:H/I:N/A:N

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

Exploit Intelligence

EPSS Score
0.41%
Probability of exploitation in next 30 days
EPSS Percentile
33.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0041 is in the 13th percentile among its peer group of 51,485 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

Remediation records are not available for this CVE.

References

drupal.org / node/2857028
Third Party Advisory