6.5

CVE-2021-44145: apache software foundation apache nifi

CVSS: 6.5v3.1MediumModified
AliasesGHSA-rq96-qhc5-vm4rBIT-nifi-2021-44145
Published 17-12-2021Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2021-44145 is a medium (CVSS 6.5) vulnerability in apache software foundation apache nifi. EPSS estimates a 1.76% chance of exploitation in the next 30 days, higher than 77.5% of scored vulnerabilities.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (NVD)
EPSS score
1.76%
0%100%
Low · +0.06 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 17-12-2021
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

In the TransformXML processor of Apache NiFi before 1.15.1 an authenticated user could configure an XSLT file which, if it included malicious external entity calls, may reveal sensitive information.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.76%

Chance of exploitation in the next 30 days

Percentile

78%

Versus all other CVEs

30-day change

+0.06 pp

From 1.70% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.76%

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
  • nifi≥ 0.1.0, < 1.15.1
Apache software foundation1 product
Org.apache.nifi1 product
  • nifi< 1.15.1

3 vendors · 3 products

References

3 links