9.8

CVE-2021-40865: apache software foundation apache storm Deserialization of Untrusted Data

CVSS: 9.8v3.1CriticalModified
AliasesGHSA-w729-7633-2fw5
Published 25-10-2021Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2021-40865 is a critical (CVSS 9.8) Deserialization of Untrusted Data vulnerability in apache software foundation apache storm. EPSS estimates a 64.18% chance of exploitation in the next 30 days, higher than 99.2% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
64.18%
0%100%
Critical · -1.41 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 25-10-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

An Unsafe Deserialization vulnerability exists in the worker services of the Apache Storm supervisor server allowing pre-auth Remote Code Execution (RCE). Apache Storm 2.2.x users should upgrade to version 2.2.1 or 2.3.0. Apache Storm 2.1.x users should upgrade to version 2.1.1. Apache Storm 1.x users should upgrade to version 1.2.4

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

64.18%

Chance of exploitation in the next 30 days

Percentile

99%

Versus all other CVEs

30-day change

-1.41 pp

From 65.59% on 18-09-2026

18-09-202618-10-2026
EPSS score
64.18%

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
  • storm≥ 1.0.0, < 1.2.4 | ≥ 2.1.0, < 2.1.1 | ≥ 2.2.0, < 2.2.1
Apache software foundation1 product
  • apache storm≥ v1.0.0, < Apache Storm * | ≥ Apache Storm, < v1.2.4
Org.apache.storm1 product
  • storm≥ 2.2.0, < 2.2.1 | ≥ 1.0.0, < 1.2.4 | ≥ 2.1.0, < 2.1.1

3 vendors · 3 products

References

3 links