CVE-2017-15865

Name: CVE-2017-15865
Creator: NVD / NIST
Published: 2017-11-08T20:29:00.557+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.49%

Last modified Jun 17, 2026

CVE-2017-15865 is a vulnerability of currently unknown severity. 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).. EPSS estimates a 2.49% chance of exploitation in the next 30 days.

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).

Metrics

EPSS Probability

2.49%

82.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Frrouting	Frrouting	< 2.0.2
Frrouting	Frrouting	3.0
Frrouting	Frrouting	3.0.1

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

Timeline

Published: Nov 8, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-15865?

How severe is CVE-2017-15865?

Severity scoring for CVE-2017-15865 is pending analysis. The EPSS model estimates a 2.49% probability of exploitation in the next 30 days.

How do I fix CVE-2017-15865?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-15865?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST