CVE-2010-3035 Cisco IOS XR 3.4.0 through 3.9.1, when BGP is enabled, does not properly handle unrecognized transitive attributes, which allows remote attackers to cause a denial of service (peering reset) via a cra...
HighCVSS 7.5
EPSS 5.7%
CISA KEV
added 2022-03-25 · due 2022-04-15
Exploited in the wild
- Published
- Updated
- Exploit status
- Exploited in the wild (confirmed)
Description
Cisco IOS XR 3.4.0 through 3.9.1, when BGP is enabled, does not properly handle unrecognized transitive attributes, which allows remote attackers to cause a denial of service (peering reset) via a crafted prefix announcement, as demonstrated in the wild in August 2010 with attribute type code 99, aka Bug ID CSCti62211.
CISA Known Exploited Vulnerability
- Date added
- 2022-03-25
- Due date (FCEB)
- 2022-04-15
- Ransomware use
- Unknown
Required action
Apply updates per vendor instructions.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| cisco ios xr | >= 3.4.0, <= 3.9.1 | No fix listed |
References
- [nanog] 20100827 Did your BGP crash today? mailing-list
- 67696 broken-link vdb-entry
- 41190 broken-link third-party-advisory
- 20100827 Cisco IOS XR Software Border Gateway Protocol Vulnerability broken-link vendor-advisory
- 1024371 broken-link third-party-advisory vdb-entry
- ADV-2010-2227 broken-link vdb-entry
- ciscoiosxr-bgp-packet-dos(61443) vdb-entry vendor-advisory
- www.cisa.gov government-resource us-government-resource