CVE-2023-35887: Apache MINA SSHD: Information disclosure bugs with RootedFilesystem

Modified

AliasesCGA-9vrx-c8qj-xvrfCGA-9wmv-g6hw-6w8rCGA-4vm8-76rf-q9mx+4 more

Published 10-07-2023Last modified 07-10-2024

Vulnerability summary

CVE-2023-35887 is a medium (CVSS 5.0) vulnerability in apache software foundation apache mina sshd. EPSS estimates a 1.31% chance of exploitation in the next 30 days, higher than 70.7% of scored vulnerabilities.

Priority

Routine

Not severe (CVSS 5, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?

CVSS score

5.0/10

010

Medium · v3.1 (CVE.org)

EPSS score

1.31%

0%100%

Low · 0.00 pp in 30 days

KEVNot listedNot listed by any tracked catalog.

RansomwareNot flaggedNo ransomware use recorded.

Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 5 · Related 1

RHSA-2023:7637 RHSA-2023:7638 RHSA-2023:7639 RHSA-2024:1192 RHSA-2024:1193 CGA-FR3H-RGRV-P2GX

Timeline

10-07-2023
PublishedVulnerability first disclosed.
07-10-2024
Last modifiedVulnerability information updated.

Description

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Software Foundation Apache MINA. In SFTP servers implemented using Apache MINA SSHD that use a RootedFileSystem, logged users may be able to discover "exists/does not exist" information about items outside the rooted tree via paths including parent navigation ("..") beyond the root, or involving symlinks. This issue affects Apache MINA: from 1.0 before 2.10. Users are recommended to upgrade to 2.10

CVSS metrics

5 scores · 5 sources · 1 version

v3.15.0

EPSS trend

Probability

1.31%

Chance of exploitation in the next 30 days

Percentile

71%

Versus all other CVEs

30-day change

No change 0.00 pp

From 1.31% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs

CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

CWE-22Improper Limitation of a Pathname to a Restricted DirectoryThe product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

Affected systems

Version check

Known conditions: network-reachable, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Org.apache.sshd3 products

sshd-common≥ 2.1.0, < 2.9.3
sshd-core≥ 1.0.0, < 2.1.0
sshd-sftp≥ 1.0.0, < 2.9.3

Chainguard2 products

hadoop-fips-3.3.6< 3.3.6-r21 | < 3.3.6-r15
sonarqubeAll versions (No fix recorded)

Apache1 product

sshd≥ 1.0.0, < 2.9.3

Apache software foundation1 product

apache mina sshd≥ 1.0, < 2.10

Wolfi1 product

sonarqubeAll versions (No fix recorded)

5 vendors · 8 products

References

9 links