CVE-2021-44534

Insufficient user input filtering leads to arbitrary file read by non-authenticated attacker,...

6.5 Medium

Insufficient user input filtering leads to arbitrary file read by non-authenticated attacker, which results in sensitive information disclosure.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: None
Availability: None

Exploit likelihood

0.56%Up 0.5 points since Jun 1, 2024

What each source reports

CVE List Score used 6.5

Insufficient user input filtering leads to arbitrary file read by non-authenticated attacker, which results in sensitive information disclosure.

Record: CVE-2021-44534
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-200
Updated: 2026-11-02

EUVDEUVD-2021-31365 6.5

Insufficient user input filtering leads to arbitrary file read by non-authenticated attacker, which results in sensitive information disclosure.

Record: EUVD-2021-31365
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Updated: 2026-11-03

GitHub AdvisoriesGHSA-2rm2-mwc8-f72w 6.5

Insufficient user input filtering leads to arbitrary file read by non-authenticated attacker,...

Insufficient user input filtering leads to arbitrary file read by non-authenticated attacker, which results in sensitive information disclosure.

Record: GHSA-2rm2-mwc8-f72w
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-200
Updated: 2026-11-02

NVD 6.5

Insufficient user input filtering leads to arbitrary file read by non-authenticated attacker, which results in sensitive information disclosure.

Record: CVE-2021-44534
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-200
Updated: 2026-11-02

OSVUBUNTU-CVE-2021-44534 6.5

Insufficient user input filtering leads to arbitrary file read by non-authenticated attacker, which results in sensitive information disclosure.

Record: UBUNTU-CVE-2021-44534
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Updated: 2026-11-02

Affected products

expressionengine

Affected packages

Affected packages
Package	Affected	Fixed
`nodejs` Ubuntu:Pro:14.04:LTS	All versions, plus listed versions 0.10.15~dfsg1-40.10.21~dfsg1-10.10.22~dfsg1-20.10.23~dfsg1-10.10.23~dfsg1-2 Show 7 moreShow less 0.10.23~dfsg1-30.10.24~dfsg1-10.10.25~dfsg2-20.10.25~dfsg2-2ubuntu10.10.25~dfsg2-2ubuntu1.20.10.25~dfsg2-2ubuntu1.2+esm10.10.25~dfsg2-2ubuntu1.2+esm2	None known
`nodejs` Ubuntu:Pro:16.04:LTS	All versions, plus listed versions 0.10.25~dfsg2-2ubuntu14.2.2~dfsg-14.2.3~dfsg-14.2.4~dfsg-1ubuntu14.2.4~dfsg-2 Show 7 moreShow less 4.2.6~dfsg-1ubuntu14.2.6~dfsg-1ubuntu44.2.6~dfsg-1ubuntu4.14.2.6~dfsg-1ubuntu4.24.2.6~dfsg-1ubuntu4.2+esm14.2.6~dfsg-1ubuntu4.2+esm24.2.6~dfsg-1ubuntu4.2+esm3	None known
`nodejs` Ubuntu:Pro:18.04:LTS	All versions, plus listed versions 6.11.4~dfsg-1ubuntu16.11.4~dfsg-1ubuntu26.12.0~dfsg-1ubuntu16.12.0~dfsg-2ubuntu16.12.0~dfsg-2ubuntu2 Show 10 moreShow less 8.10.0~dfsg-28.10.0~dfsg-2ubuntu0.28.10.0~dfsg-2ubuntu0.38.10.0~dfsg-2ubuntu0.48.10.0~dfsg-2ubuntu0.4+esm18.10.0~dfsg-2ubuntu0.4+esm28.10.0~dfsg-2ubuntu0.4+esm38.10.0~dfsg-2ubuntu0.4+esm48.10.0~dfsg-2ubuntu0.4+esm58.10.0~dfsg-2ubuntu0.4+esm6	None known
`nodejs` Ubuntu:Pro:20.04:LTS	All versions, plus listed versions 10.15.2~dfsg-2ubuntu110.17.0~dfsg-2ubuntu410.17.0~dfsg-2ubuntu610.19.0~dfsg-3ubuntu110.19.0~dfsg-3ubuntu1.1 Show 5 moreShow less 10.19.0~dfsg-3ubuntu1.210.19.0~dfsg-3ubuntu1.310.19.0~dfsg-3ubuntu1.510.19.0~dfsg-3ubuntu1.610.19.0~dfsg-3ubuntu1.6+esm2	None known
`nodejs` Ubuntu:Pro:22.04:LTS	All versions, plus listed versions 12.22.5~dfsg-5ubuntu112.22.7~dfsg-2ubuntu112.22.7~dfsg-2ubuntu312.22.9~dfsg-1ubuntu212.22.9~dfsg-1ubuntu3 Show 7 moreShow less 12.22.9~dfsg-1ubuntu3.112.22.9~dfsg-1ubuntu3.212.22.9~dfsg-1ubuntu3.312.22.9~dfsg-1ubuntu3.412.22.9~dfsg-1ubuntu3.512.22.9~dfsg-1ubuntu3.612.22.9~dfsg-1ubuntu3.6+esm2	None known
`nodejs` Ubuntu:24.04:LTS	All versions, plus listed versions 18.13.0+dfsg1-1ubuntu218.19.1+dfsg-2ubuntu418.19.1+dfsg-6ubuntu118.19.1+dfsg-6ubuntu218.19.1+dfsg-6ubuntu5	None known
`nodejs` Ubuntu:25.10	All versions, plus listed versions 20.18.1+dfsg-1ubuntu220.19.2+dfsg-120.19.4+dfsg-1	None known
`nodejs` Ubuntu:26.10	All versions, plus listed versions 22.22.1+dfsg+~cs22.19.15-1ubuntu124.16.0+dfsg+~cs24.13.1-2ubuntu124.18.0+dfsg+~cs24.13.2-1ubuntu124.19.0+dfsg+~cs24.13.3-1ubuntu1	None known
`nodejs` Ubuntu:26.04:LTS	All versions, plus listed versions 20.19.4+dfsg-120.19.5+dfsg+~cs20.19.12-422.21.1+dfsg+~cs22.19.0-6ubuntu422.22.0+dfsg+~cs22.19.6-1ubuntu222.22.0+dfsg+~cs22.19.13-2ubuntu122.22.1+dfsg+~cs22.19.15-1ubuntu1	None known

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases, published	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-44534 is a medium vulnerability (CVSS 6.5) in Expressionengine, published May 31, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.56%, the 47th percentile. No source names a fixed version.

Attack profile

How easy it is to exploit

What an attacker can affect

Exploit likelihood

What each source reports

Affected products

Affected packages

History

In short

References