9.8

CVE-2017-6920: drupal Data Processing Errors

CVSS: 9.8v3.0CriticalModified
Published 06-08-2018Last modified 16-09-2024
Open JSON

Vulnerability summary

CVE-2017-6920 is a critical (CVSS 9.8) Data Processing Errors vulnerability in drupal. EPSS estimates a 20.24% chance of exploitation in the next 30 days, higher than 97.4% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.0 (NVD)
EPSS score
20.24%
0%100%
High · -0.24 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 06-08-2018
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

Drupal core 8 before versions 8.3.4 allows remote attackers to execute arbitrary code due to the PECL YAML parser not handling PHP objects safely during certain operations.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

20.24%

Chance of exploitation in the next 30 days

Percentile

97%

Versus all other CVEs

30-day change

-0.24 pp

From 20.48% on 20-09-2026

20-09-202620-10-2026
EPSS score
20.24%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Drupal1 product
Drupal.org1 product

2 vendors · 2 products

References

3 links