LOW
CVE-2012-1820
NVD-CWE-OtherPublished: June 13, 2012· Updated: Jun 16, 2026
2.9
CVSS v3.1
Official Description
The bgp_capability_orf function in bgpd in Quagga 0.99.20.1 and earlier allows remote attackers to cause a denial of service (assertion failure and daemon exit) by leveraging a BGP peering relationship and sending a malformed Outbound Route Filtering (ORF) capability TLV in an OPEN message.
Technical Analysis
CVE-2012-1820 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorAdjacent
Attack ComplexityM
Privileges Req.
User Interaction
Scope
Impact
ConfidentialityNone
IntegrityNone
AvailabilityP
AV:A/AC:M/Au:N/C:N/I:N/A:P
Affected Vendors & Products
quagga1 product(s)
quagga
Source: NVD CPE · 41 total CPE entries
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
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GitHub PoC Search
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Rapid7 / Metasploit
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PacketStorm
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NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
All References (12)
→
http://www.kb.cert.org/vuls/id/962587US Government Resource
→
http://www.kb.cert.org/vuls/id/962587US Government Resource
Quick Facts
CVE IDCVE-2012-1820
CVSS Score2.9 / 10
SeverityLOW
WeaknessNVD-CWE-Other
CISA KEVNo
Affected1 vendor(s)
PublishedJun 13, 2012
Related CVEs (NVD-CWE-Other)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2012-1820 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.