CVE-2024-27913

ospfd crash via missing TE edge attributes

Published Feb 28, 2024 · Updated Mar 26, 2025

Denial of service in FRRouting 10.0.0 and earlier allows remote attackers to crash ospfd via a malformed OSPF LSA packet. ospf_te_parse_te creates a traffic-engineering edge without attributes when an LSA supplies neither a local address nor a local ID, then accesses the missing attribute field. The attacker must be able to deliver an OSPF LSA to ospfd; the reported consequence is a routing-daemon crash and service interruption, with no data disclosure or modification reported.

CVSS severity6.5
Medium
EPSS probability0.32%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Denial of service in FRRouting 10.0.0 and earlier allows remote attackers to crash ospfd via a malformed OSPF LSA packet. ospf_te_parse_te creates a traffic-engineering edge without attributes when an LSA supplies neither a local address nor a local ID, then accesses the missing attribute field. The attacker must be able to deliver an OSPF LSA to ospfd; the reported consequence is a routing-daemon crash and service interruption, with no data disclosure or modification reported.

The record

CVE
CVE-2024-27913
Published
Feb 28, 2024
Updated
Mar 26, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-909, CWE-703, T1499.004
Attack vector
adjacent
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 28, 2024CVE publishedPublication date reported by the CVE source.
  2. Mar 26, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

6.5NIST NVDCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
6.5SUSECVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
6.2CISA ADPCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectoradjacent
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-909Missing Initialization of Resource
CWE-703Improper Check or Handling of Exceptional Conditions
T1499.004Application or System Exploitation Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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