CVE-2021-42010 | BDVDB-2026-187151 Detail

ApacheApache Heron (Incubating)

Description#

Heron versions <= 0.20.4-incubating allows CRLF log injection because of the lack of escaping in the log statements. Please update to version 0.20.5-incubating which addresses this issue.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

Weaknesses#

CWE-116 Improper Encoding or Escaping of Output

References#

Exploit#

No public exploit known

History#

Version 12022-10-24Record published in the CVE List.
Version 22025-05-07Most recent update recorded in the CVE List.

Published

Published: 2022-10-24
Last modified: 2025-05-07

Vendor information

Vendor: Apache
Product: Apache Heron (Incubating)

All Apache vulnerabilities

Score

9.8 Critical

EPSS

1.7%, Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 78.1.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Not classified

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= Apache Heron 0.20.4-incubating and <= 0.20.4-incubating
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

9.8 Critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	None
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	High
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).