CVE-2017-6739 A vulnerability in the SNMP implementation of could allow an authenticated, remote attacker to cause a reload of the affected system or to remotely execute code. An attacker could exploit this vulnera...
- Published
- Updated
- Exploit status
- Exploited in the wild (confirmed)
Description
A vulnerability in the SNMP implementation of could allow an authenticated, remote attacker to cause a reload of the affected system or to remotely execute code. An attacker could exploit this vulnerability by sending a crafted SNMP packet to the affected device.
The vulnerability is due to a buffer overflow in the affected code area. The vulnerability affects all versions of SNMP (versions 1, 2c, and 3). The attacker must know the SNMP read only community string (SNMP version 2c or earlier) or the user credentials (SNMPv3). An exploit could allow the attacker to execute arbitrary code and obtain full control of the system or to cause a reload of the affected system.
Only traffic directed to the affected system can be used to exploit this vulnerability.
CISA Known Exploited Vulnerability
- Date added
- 2022-03-03
- Due date (FCEB)
- 2022-03-24
- Ransomware use
- Unknown
Required action
Apply updates per vendor instructions.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| cisco ios | >= 12.0, <= 12.4 | No fix listed |
| cisco ios | >= 15.0, <= 15.6 | No fix listed |
| cisco ios xe | >= 2.2.0, <= 3.17.0 | No fix listed |
| IntelliShield Universal Product | All versions | No fix listed |
References
- cisco-sa-20170629-snmp vendor-advisory
- 99345 broken-link third-party-advisory vdb-entry
- 1038808 broken-link third-party-advisory vdb-entry
- tools.cisco.com vendor-advisory
- www.cisa.gov government-resource us-government-resource