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CVE-2019-12480

53
FAUCET Score

CVE-2019-12480 describes a denial-of-service vulnerability in the BACnet Protocol Stack up to version 0.8.6. An unauthenticated remote attacker can exploit a segmentation fault caused by malformed DeviceCommunicationControl (DCC) messages within AtomicWriteFile, AtomicReadFile, or DeviceCommunicationControl services, leading to a crash of the bacserv daemon. This vulnerability carries a high CVSS score of 7.5, indicating a network-based attack with low complexity, requiring no user interaction, and resulting in high availability impact. While not listed in CISA's KEV catalog, public exploit code (EDB-47148) exists, though there is minimal community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 0.8.6CPE matchmatch criteria
cpe:2.3:a:bacnet_protocol_stack_project:bacnet_protocol_stack:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
33.65%
Probability of exploitation in next 30 days
EPSS Percentile
98.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
ExploitDB: EDB-47148 · Jul 22, 2019
This CVE's current EPSS score of 0.3365 is in the 97th percentile among its peer group of 51,553 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

packetstormsecurity.com / files/153716/BACnet-Stack-0.8.6-Denial-Of-Service.html
1modm.github.io / CVE-2019-12480.html
sourceforge.net / p/bacnet/bugs/62
ExploitThird Party Advisory
sourceforge.net / p/bacnet/code/3220
sourceforge.net / p/bacnet/code/3223
sourceforge.net / p/bacnet/code/3224
sourceforge.net / p/bacnet/code/3225