8.8

CVE-2021-25642: apache software foundation apache hadoop Deserialization of Untrusted Data

CVSS: 8.8v3.1HighModified
AliasesGHSA-rr2m-gffv-mgrj
Published 25-08-2022Last modified 03-08-2024

Vulnerability summary

CVE-2021-25642 is a high (CVSS 8.8) Deserialization of Untrusted Data vulnerability in apache software foundation apache hadoop. EPSS estimates a 2.25% chance of exploitation in the next 30 days, higher than 82.6% 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
2.25%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 25-08-2022
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

ZKConfigurationStore which is optionally used by CapacityScheduler of Apache Hadoop YARN deserializes data obtained from ZooKeeper without validation. An attacker having access to ZooKeeper can run arbitrary commands as YARN user by exploiting this. Users should upgrade to Apache Hadoop 2.10.2, 3.2.4, 3.3.4 or later (containing YARN-11126) if ZKConfigurationStore is used.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

2.25%

Chance of exploitation in the next 30 days

Percentile

83%

Versus all other CVEs

30-day change

+0.02 pp

From 2.24% on 18-09-2026

18-09-202618-10-2026
EPSS score
2.25%

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
  • hadoop≥ 2.9.0, < 2.10.2 | ≥ 3.0.0, < 3.2.4 | ≥ 3.3.0, < 3.3.4
Apache software foundation1 product
  • apache hadoop2.9.0 to 2.10.1, 3.0.0-alpha1 to 3.1.4, 3.2.0 to 3.2.3, and 3.3.0 to 3.3.3
Org.apache.hadoop1 product
  • hadoop-yarn-server< 2.10.2 | ≥ 3.0.0, < 3.2.4 | ≥ 3.3.0, < 3.3.4

3 vendors · 3 products

References

6 links