CVE-2020-25623

Erlang/OTP 22.3.x before 22.3.4.6 and 23.x before 23.1 allows Directory Traversal. An attacker...

7.5 HighFix available

CVE-2020-25623 is a high vulnerability (CVSS 7.5) in Erlang Erlang\/otp, published October 2, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.15%, the 88th percentile. Fixed in erlang 1:23.1+dfsg-1.

What does this mean?

Severity: 7.5 HighCVSS 3.1, NVD
Exploit chance: 3.15%EPSS, 88th percentile
Exploitation: None knownNot on CISA’s or ENISA’s lists
Fixed in: 1:23.1+dfsg-1erlang +4 more

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.

Attack profile

How easy it is to exploit

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

What an attacker can affect

Confidentiality: High
Integrity: None
Availability: None

Exploit likelihood

3.15%Up 2.3 points since Apr 14, 2021

Affected products

erlang erlang\/otp

Affected packages

Affected packages
Package	Affected	Fixed
`erlang` Debian:12	before 1:23.1+dfsg-1	1:23.1+dfsg-1
`erlang` Debian:13	before 1:23.1+dfsg-1	1:23.1+dfsg-1
`erlang` Debian:14	before 1:23.1+dfsg-1	1:23.1+dfsg-1
`erlang` openSUSE:Tumbleweed From an advisory covering 2 CVEs	before 24.0.5-2.1	24.0.5-2.1
`erlang27` openSUSE:Tumbleweed From an advisory covering 5 CVEs	before 27.1.3-1.1	27.1.3-1.1

What each source reports

NVD Score used7.5

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.

Record: CVE-2020-25623
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:P/I:N/A:N
Weakness: CWE-22
Updated: 2026-11-02

CVE ListNo score

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.

Record: CVE-2020-25623
Updated: 2026-11-02

EUVDEUVD-2020-18300No score

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.

Record: EUVD-2020-18300
Updated: 2026-11-03

GitHub AdvisoriesGHSA-xm5m-7wr8-cvwhNo score

Erlang/OTP 22.3.x before 22.3.4.6 and 23.x before 23.1 allows Directory Traversal. An attacker...

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.

Record: GHSA-xm5m-7wr8-cvwh
Updated: 2026-11-02

OSV7.5

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.

Record: CVE-2020-25623
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated: 2026-11-02

OSVDEBIAN-CVE-2020-256237.5

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.

Record: DEBIAN-CVE-2020-25623
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated: 2026-11-02

OSVUBUNTU-CVE-2020-256237.5

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.

Record: UBUNTU-CVE-2020-25623
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated: 2026-11-02

OSVopenSUSE-SU-2024:10740-1No score

erlang-24.0.5-2.1 on GA media

These are all security issues fixed in the erlang-24.0.5-2.1 package on the GA media of openSUSE Tumbleweed.