8.8

CVE-2020-9492: apache hadoop Incorrect Authorization

CVSS: 8.8v3.1HighModified
AliasesCGA-6fww-m5ph-fcpwGHSA-f8vc-wfc8-hxqhBIT-solr-2020-9492
Published 26-01-2021Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-9492 is a high (CVSS 8.8) Incorrect Authorization vulnerability in apache hadoop. EPSS estimates a 4.44% chance of exploitation in the next 30 days, higher than 91.2% of scored vulnerabilities.

Overall risk
36/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (NVD)
EPSS score
4.44%
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. 26-01-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

In Apache Hadoop 3.2.0 to 3.2.1, 3.0.0-alpha1 to 3.1.3, and 2.0.0-alpha to 2.10.0, WebHDFS client might send SPNEGO authorization header to remote URL without proper verification.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

4.44%

Chance of exploitation in the next 30 days

Percentile

91%

Versus all other CVEs

30-day change

0.00 pp

From 4.44% on 18-09-2026

18-09-202618-10-2026
EPSS score
4.44%

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

Apache2 products
  • hadoop≥ 2.0.0, ≤ 2.10.0 | ≥ 3.0.0, ≤ 3.1.3 | ≥ 3.2.0, ≤ 3.2.1
  • solrEOL8.6.0 | 8.6.2
Chainguard1 product
  • hadoop-fips-3.3.6All versions (No fix recorded)
Oracle1 product
Org.apache.hadoop1 product
  • hadoop-common≥ 3.2.0, < 3.2.2 | ≥ 3.0.0, < 3.1.4 | ≥ 2.0.0, < 2.10.1

4 vendors · 5 products

References

33 links
Show all 33 references