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CVE-2018-20245

24
FAUCET Score

CVE-2018-20245 describes a critical misconfiguration in the LDAP authentication backend (airflow.contrib.auth.backends.ldap_auth) of Apache Airflow versions prior to 1.10.1, which improperly disabled server certificate checking. This vulnerability carries a CVSS score of 7.5 (HIGH), indicating it can be exploited remotely with low attack complexity, potentially leading to high integrity impact without requiring user interaction. While no active exploitation, public exploit code, or significant community discussion has been observed, the flaw (CWE-295) presents a notable risk to affected Airflow deployments.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.10.1CPE matchmatch criteria
cpe:2.3:a:apache:airflow:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/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
3.0

Exploit Intelligence

EPSS Score
1.02%
Probability of exploitation in next 30 days
EPSS Percentile
59.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0102 is in the 36th 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 (1)

pippatch availablevia ghsa
Product: apache-airflowFixed in: 1.10.1

Vendor Advisories (1)

pipGHSA-77rc-x84q-pv4fhigh

Improper Certificate Validation in Apache Airflow

Jan 25, 2019

References

lists.apache.org / thread.html/b549c7573b342a6e457e5a3225c33054244343927bbfb2a4cdc4cf73%40%3Cdev.airflow.apache.org%3E