CVE-2025-14821Disclosure(libssh / hardened_images)

LOWCVSS 7.0 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

A flaw was found in libssh. This vulnerability allows local man-in-the-middle attacks, security downgrades of SSH (Secure Shell) connections, and manipulation of trusted host information, posing a significant risk to the confidentiality, integrity, and availability of SSH communications via an insecure default configuration on Windows systems where the library automatically loads configuration files from the C:\etc directory, which can be created and modified by unprivileged local users.

0.5/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-427

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • hardened_images
  • libssh

Threat summary

  • 2 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • Technical details provided in 2 signals
  • Disclosure: 2 classified signals
  • Peaked 1d ago at 1 mentions (2026-04-07); latest day: 1
  • 2 total mentions across 2 days

Affected systems

Products
hardened_imageslibssh

1 version affected across 2 products

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-04-07: 1Mentions · 2026-06-25: 1Technical Details · 2026-04-07: 1Technical Details · 2026-06-25: 104-0706-25
Signal classification1 categories
Disclosure
2100.0%
Referenced assets1 URL
By indicator
Full discourse2 posts
  • DFIR Lab@DFIR_Lab
    Disclosure

    🚨 HIGH: CVE-2025-14821 | CVSS 7.8 libssh flaw on Windows enables local MITM attacks via insecure C:\etc config loading. Unprivileged users can manipulate SSH connections. Affects: libssh on Windows #CVE #Vulnerability #PatchNow https://t.co/pwMzKLbFyY

    Post summary

    The tweet announces CVE-2025-14821—a local MITM vulnerability in libssh on Windows caused by insecure config loading—highlighting its CVSS score and urging immediate patching.

    0000052
    52 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2025-14821 A flaw was found in libssh. This vulnerability allows local man-in-the-middle attacks, security downgrades of SSH (Secure Shell) connections, and manipulation of trus… https://www.cve.org/CVERecord?id=CVE-2025-14821

    Post summary

    The post announces a newly discovered vulnerability in libssh that enables local man‑in‑the‑middle attacks and SSH downgrades.

    00000257
    57.0K followersView on X
CPE platform detail2 entries

2 of 2 entries

PartVendorProductVersionTarget SWTarget HW
Applibsshlibssh---
Appredhathardened_images---

Explore more