CVE-2017-15865
bgpd in FRRouting (FRR) before 2.0.2 and 3.x before 3.0.2, as used in Cumulus Linux before 3.4.3 and other products, allows remote attackers to obtain sensitive information via a malformed BGP UPDATE packet from a connected peer, which triggers…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.49%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
bgpd in FRRouting (FRR) before 2.0.2 and 3.x before 3.0.2, as used in Cumulus Linux before 3.4.3 and other products, allows remote attackers to obtain sensitive information via a malformed BGP UPDATE packet from a connected peer, which triggers transmission of up to a few thousand unintended bytes because of a mishandled attribute length, aka RN-690 (CM-18492).
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 2.49% probability · 85th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-200
- Affected
- frrouting/frrouting
- Source
- cve@mitre.org
EPSS 2.5% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.securityfocus.com/bid/101794Third Party Advisory, VDB Entry
- https://frrouting.org/community/security.htmlIssue Tracking, Vendor Advisory
- https://lists.cumulusnetworks.com/pipermail/cumulus-security-announce/2017-November/000009.htmlIssue Tracking, Third Party Advisory
- https://support.cumulusnetworks.com/hc/en-us/articles/115014754307#rn690Issue Tracking, Third Party Advisory
- https://support.cumulusnetworks.com/hc/en-us/articles/115014778107-CVE-2017-15865-Malformed-BGP-UPDATE-Triggers-Information-DisclosureIssue Tracking, Third Party Advisory
- http://www.securityfocus.com/bid/101794Third Party Advisory, VDB Entry
- https://frrouting.org/community/security.htmlIssue Tracking, Vendor Advisory
- https://lists.cumulusnetworks.com/pipermail/cumulus-security-announce/2017-November/000009.htmlIssue Tracking, Third Party Advisory
- https://support.cumulusnetworks.com/hc/en-us/articles/115014754307#rn690Issue Tracking, Third Party Advisory
- https://support.cumulusnetworks.com/hc/en-us/articles/115014778107-CVE-2017-15865-Malformed-BGP-UPDATE-Triggers-Information-DisclosureIssue Tracking, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.