CVE-2020-25623

Name: CVE-2020-25623
Creator: NVD / NIST
Published: 2020-10-02T12:15:12.16+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 3.11%

Last modified Jun 17, 2026

CVE-2020-25623 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Erlang/OTP 22.3.x before 22.3.4.6 and 23.x before 23.1 allows Directory Traversal. An attacker can send a crafted HTTP request to read arbitrary files, if httpd in the inets application is used.. EPSS estimates a 3.11% chance of exploitation in the next 30 days.

Description

Erlang/OTP 22.3.x before 22.3.4.6 and 23.x before 23.1 allows Directory Traversal. An attacker can send a crafted HTTP request to read arbitrary files, if httpd in the inets application is used.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

3.11%

86.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-22

Affected Software

Vendor	Product	Versions
Erlang	Erlang\/Otp	>= 22.3.0, < 22.3.4.6
Erlang	Erlang\/Otp	>= 23.0.0, < 23.1

References

https://github.com/erlang/otp/releases/tag/OTP-23.1Release Notes, Third Party Advisory
https://www.erlang.org/downloadsRelease Notes, Vendor Advisory
https://www.erlang.org/newsVendor Advisory
https://github.com/erlang/otp/releases/tag/OTP-23.1Release Notes, Third Party Advisory
https://www.erlang.org/downloadsRelease Notes, Vendor Advisory
https://www.erlang.org/newsVendor Advisory

Timeline

Published: Oct 2, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-25623?

Erlang/OTP 22.3.x before 22.3.4.6 and 23.x before 23.1 allows Directory Traversal. An attacker can send a crafted HTTP request to read arbitrary files, if httpd in the inets application is used.

How severe is CVE-2020-25623?

CVE-2020-25623 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.11% probability of exploitation in the next 30 days.

How do I fix CVE-2020-25623?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-25623?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST