7.5

CVE-2018-11765: apache hadoop Improper Authentication

CVSS: 7.5v3.1HighModified
AliasesGHSA-rhh9-cm65-3w54
Published 30-09-2020Last modified 05-08-2024

Vulnerability summary

CVE-2018-11765 is a high (CVSS 7.5) Improper Authentication vulnerability in apache hadoop. EPSS estimates a 5.21% chance of exploitation in the next 30 days, higher than 92.3% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
5.21%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 30-09-2020
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

In Apache Hadoop versions 3.0.0-alpha2 to 3.0.0, 2.9.0 to 2.9.2, 2.8.0 to 2.8.5, any users can access some servlets without authentication when Kerberos authentication is enabled and SPNEGO through HTTP is not enabled.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

5.21%

Chance of exploitation in the next 30 days

Percentile

92%

Versus all other CVEs

30-day change

0.00 pp

From 5.21% on 18-09-2026

18-09-202618-10-2026
EPSS score
5.21%

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

Apache1 product
  • hadoopEOL≥ 2.8.0, ≤ 2.8.5 | ≥ 2.9.0, ≤ 2.9.2 | 3.0.0 | 3.0.0:alpha2
Org.apache.hadoop1 product
  • hadoop-main≥ 3.0.0-alpha2, < 3.0.1 | ≥ 2.9.0, < 2.9.3 | ≥ 2.8.0, < 2.8.6

2 vendors · 2 products

References

24 links
Show all 24 references