CVE-2025-20360Disclosure

LOWCVSS 5.8 · MEDIUM

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Patch affected systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

Multiple Cisco products are affected by a vulnerability in the Snort 3 HTTP Decoder that could allow an unauthenticated, remote attacker to cause the Snort 3 Detection Engine to restart. This vulnerability is due to a lack of complete error checking when the MIME fields of the HTTP header are parsed. An attacker could exploit this vulnerability by sending crafted HTTP packets through an established connection to be parsed by Snort 3. A successful exploit could allow the attacker to cause a DoS condition when the Snort 3 Detection Engine unexpectedly restarts.

0.5/ 10 priority

Sources & remediation

Weakness type (CWE)
CWE-805

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Threat summary

  • Patch or workaround signal is available
  • 1 mentions across 1 observed day

What's happening

  • Patch or workaround mentioned in 1 signal
  • Disclosure: 1 classified signal
  • 1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-02-23: 1Patch / Workaround · 2026-02-23: 102-23
Signal classification1 categories
Disclosure
1100.0%
Referenced assets1 URL
Full discourse1 post
  • ProbablyPwned@probablypwned
    Disclosure

    Critical CVE-2025-20359 & CVE-2025-20360 hit Cisco FTD, Meraki & Snort 3 – no workarounds, patches arriving Feb. Stay protected! Read more: https://www.probablypwned.com/article/cisco-snort3-mime-dos-cve-2025-20359-20360

    Post summary

    Critical CVE-2025-20359 and CVE-2025-20360 affect Cisco FTD, Meraki, and Snort 3; no workarounds are available, but patches are expected in February.

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    15 followersView on X

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