Skip to content
Fencer Intel
high 7.5

CVE-2020-25623 json

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

published 6y ago modified 4mo ago also EUVD-2020-18300

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.2%
EPSS 3.2% chance of exploitation in 30 days, percentile 88%
public exploits
0
none known

Summary

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.

Patch / fix

  • erlang erlang/otp 22.3.4.6, 23.1
  • erlang Debian 14, Debian 13, Debian 12 1:23.1+dfsg-1

debian advisories DEBIAN-CVE-2020-25623

  • erlang27 openSUSE Tumbleweed 27.1.3-1.1
  • erlang openSUSE Tumbleweed 24.0.5-2.1

opensuse advisories openSUSE-SU-2025:15740-1openSUSE-SU-2024:10740-1

Is CVE-2020-25623 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2020-25623 updated cvss 3.7

Erlang/OTP: allows attackers to read arbitrary files via a crafted HTTP request

  • Red Hat OpenStack Platform 10 (Newton) erlang, erlang-ic, erlang-ose, erlang-ssh, erlang-ssl, erlang-asn1, +34 more
    affected: no fix planned “Out of support scope”
  • Red Hat Ansible Tower 3 erlang Red Hat OpenStack Platform 13 (Queens) erlang, erlang-ic, erlang-ftp, erlang-ose, erlang-ssh, erlang-ssl, +36 more Red Hat OpenStack Platform 16.1 erlang-ssl, erlang-asn1, erlang-erts, erlang-hipe, erlang-sasl, erlang-snmp, +15 more
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

3.15% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.