CVE-2025-20359

Summary

Multiple Cisco products are affected by a vulnerability in the Snort 3 HTTP Decoder that could allow an unauthenticated, remote attacker to cause the disclosure of possible sensitive data or cause the Snort 3 Detection Engine to crash.

This vulnerability is due to an error in the logic of buffer handling when the MIME fields of the HTTP header are parsed. This can result in a buffer under-read. An attacker could exploit this vulnerability by sending crafted HTTP packets through an established connection that is parsed by Snort 3. A successful exploit could allow the attacker to induce one of two possible outcomes: the unexpected restarting of the Snort 3 Detection Engine, which could cause a denial of service (DoS) condition, or information disclosure of sensitive information in the Snort 3 data stream. Due to the under-read condition, it is possible that sensitive information that is not valid connection data could be returned.

Affected Software

VendorProductVersion RangeStatus
CiscoCisco Cyber Vision3.0.0affected
CiscoCisco Cyber Vision3.0.2affected
CiscoCisco Cyber Vision3.0.3affected
CiscoCisco Cyber Vision3.0.1affected
CiscoCisco Cyber Vision3.1.0affected
CiscoCisco Cyber Vision3.0.4affected
CiscoCisco Cyber Vision3.1.1affected
CiscoCisco Cyber Vision3.1.2affected
CiscoCisco Cyber Vision3.2.0affected
CiscoCisco Cyber Vision3.0.5affected
CiscoCisco Cyber Vision3.2.1affected
CiscoCisco Cyber Vision3.0.6affected
CiscoCisco Cyber Vision3.2.2affected
CiscoCisco Cyber Vision3.2.3affected
CiscoCisco Cyber Vision3.2.4affected
CiscoCisco Cyber Vision4.0.0affected
CiscoCisco Cyber Vision4.0.1affected
CiscoCisco Cyber Vision4.0.2affected
CiscoCisco Cyber Vision4.0.3affected
CiscoCisco Cyber Vision4.1.0affected
CiscoCisco Cyber Vision4.1.1affected
CiscoCisco Cyber Vision4.1.2affected
CiscoCisco Cyber Vision4.1.3affected
CiscoCisco Cyber Vision4.1.4affected
CiscoCisco Cyber Vision4.2.0affected
CiscoCisco Cyber Vision4.2.1affected
CiscoCisco Cyber Vision4.1.5affected
CiscoCisco Cyber Vision4.2.2affected
CiscoCisco Cyber Vision4.2.Xaffected
CiscoCisco Cyber Vision4.2.3affected
CiscoCisco Cyber Vision4.2.4affected
CiscoCisco Cyber Vision4.2.6affected
CiscoCisco Cyber Vision4.1.6affected
CiscoCisco Cyber Vision4.3.0affected
CiscoCisco Cyber Vision4.3.1affected
CiscoCisco Cyber Vision4.3.2affected
CiscoCisco Cyber Vision4.3.3affected
CiscoCisco Cyber Vision4.4.0affected
CiscoCisco Cyber Vision4.4.1affected
CiscoCisco Cyber Vision4.4.2affected
CiscoCisco Cyber Vision4.4.3affected
CiscoCisco Cyber Vision4.1.7affected
CiscoCisco Cyber Vision5.0.0affected
CiscoCisco Cyber Vision5.0.1affected
CiscoCisco Cyber Vision5.0.2affected
CiscoCisco Cyber Vision5.1.0affected
CiscoCisco Cyber Vision5.1.1affected
CiscoCisco Cyber Vision5.1.2affected
CiscoCisco Cyber Vision5.1.3affected
CiscoCisco Cyber Vision5.2.0affected
CiscoCisco Cyber Vision5.2.1affected
CiscoCisco Secure Firewall Threat Defense (FTD) Software7.4.1affected
CiscoCisco Secure Firewall Threat Defense (FTD) Software7.4.1.1affected
CiscoCisco Secure Firewall Threat Defense (FTD) Software7.6.0affected
CiscoCisco Secure Firewall Threat Defense (FTD) Software7.4.2affected
CiscoCisco Secure Firewall Threat Defense (FTD) Software7.4.2.1affected
CiscoCisco Secure Firewall Threat Defense (FTD) Software7.7.0affected
CiscoCisco Secure Firewall Threat Defense (FTD) Software7.4.2.2affected
CiscoCisco Secure Firewall Threat Defense (FTD) Software7.6.1affected
CiscoCisco Secure Firewall Threat Defense (FTD) Software7.4.2.3affected
CiscoCisco Secure Firewall Threat Defense (FTD) Software7.4.2.4affected
CiscoCisco UTD SNORT IPS Engine Software3.17.1Saffected
CiscoCisco UTD SNORT IPS Engine Software16.12.3affected
CiscoCisco UTD SNORT IPS Engine Software16.12.4affected
CiscoCisco UTD SNORT IPS Engine Software17.3.1aaffected
CiscoCisco UTD SNORT IPS Engine Software16.6.6affected
CiscoCisco UTD SNORT IPS Engine Software16.12.2affected
CiscoCisco UTD SNORT IPS Engine Software3.17.0Saffected
CiscoCisco UTD SNORT IPS Engine Software16.6.5affected
CiscoCisco UTD SNORT IPS Engine Software17.2.1raffected
CiscoCisco UTD SNORT IPS Engine Software17.1.1affected
CiscoCisco UTD SNORT IPS Engine Software16.6.7aaffected
CiscoCisco UTD SNORT IPS Engine Software16.6.1affected
CiscoCisco UTD SNORT IPS Engine Software16.12.1aaffected
CiscoCisco UTD SNORT IPS Engine Software17.3.2affected
CiscoCisco UTD SNORT IPS Engine Software17.4.1aaffected
CiscoCisco UTD SNORT IPS Engine Software16.12.5affected
CiscoCisco UTD SNORT IPS Engine Software17.5.1affected
CiscoCisco UTD SNORT IPS Engine Software16.6.9affected
CiscoCisco UTD SNORT IPS Engine Software17.3.3affected
CiscoCisco UTD SNORT IPS Engine Software17.5.1aaffected
CiscoCisco UTD SNORT IPS Engine Software17.3.4affected
CiscoCisco UTD SNORT IPS Engine Software17.3.4aaffected
CiscoCisco UTD SNORT IPS Engine Software17.4.2affected
CiscoCisco UTD SNORT IPS Engine Software17.4.1baffected
CiscoCisco UTD SNORT IPS Engine Software17.6.1aaffected
CiscoCisco UTD SNORT IPS Engine Software16.6.10affected
CiscoCisco UTD SNORT IPS Engine Software17.7.1aaffected
CiscoCisco UTD SNORT IPS Engine Software16.12.6affected
CiscoCisco UTD SNORT IPS Engine Software17.6.2affected
CiscoCisco UTD SNORT IPS Engine Software17.8.1aaffected
CiscoCisco UTD SNORT IPS Engine Software16.12.7affected
CiscoCisco UTD SNORT IPS Engine Software17.3.5affected
CiscoCisco UTD SNORT IPS Engine Software17.6.3affected
CiscoCisco UTD SNORT IPS Engine Software17.6.3aaffected
CiscoCisco UTD SNORT IPS Engine Software17.7.2affected
CiscoCisco UTD SNORT IPS Engine Software17.9.1aaffected
CiscoCisco UTD SNORT IPS Engine Software17.6.4affected
CiscoCisco UTD SNORT IPS Engine Software17.3.6affected
CiscoCisco UTD SNORT IPS Engine Software16.12.8affected
CiscoCisco UTD SNORT IPS Engine Software17.3.7affected
CiscoCisco UTD SNORT IPS Engine Software17.9.2aaffected
CiscoCisco UTD SNORT IPS Engine Software17.6.5affected
CiscoCisco UTD SNORT IPS Engine Software17.11.1aaffected
CiscoCisco UTD SNORT IPS Engine Software17.12.1aaffected
CiscoCisco UTD SNORT IPS Engine Software17.6.6affected
CiscoCisco UTD SNORT IPS Engine Software17.3.8affected
CiscoCisco UTD SNORT IPS Engine Software17.3.8aaffected
CiscoCisco UTD SNORT IPS Engine Software17.6.6aaffected
CiscoCisco UTD SNORT IPS Engine Software17.12.2affected
CiscoCisco UTD SNORT IPS Engine Software17.12.3affected
CiscoCisco UTD SNORT IPS Engine Software17.6.7affected
CiscoCisco UTD SNORT IPS Engine Software17.12.3aaffected
CiscoCisco UTD SNORT IPS Engine Software17.12.4affected
CiscoCisco UTD SNORT IPS Engine Software17.6.8affected
CiscoCisco UTD SNORT IPS Engine Software17.6.8aaffected
CiscoCisco UTD SNORT IPS Engine Software17.12.4aaffected
CiscoCisco UTD SNORT IPS Engine Software17.15.2caffected
CiscoCisco UTD SNORT IPS Engine Software17.12.4baffected
CiscoCisco UTD SNORT IPS Engine Software17.15.2aaffected
CiscoCisco UTD SNORT IPS Engine Software17.12.5affected
CiscoCisco UTD SNORT IPS Engine Software17.15.3aaffected
CiscoCisco UTD SNORT IPS Engine Software17.15.3affected
CiscoCisco UTD SNORT IPS Engine Software17.12.5baffected
CiscoCisco UTD SNORT IPS Engine Software17.15.4affected

Weaknesses

  • CWE-127: Buffer Under-read

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

References