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CVE-2022-47515

25
FAUCET Score

CVE-2022-47515 is a denial-of-service vulnerability affecting drachtio-server versions prior to 0.8.20. Remote attackers can crash the daemon by sending a long message in a TCP request, leading to a std::length_error. This high-severity vulnerability (CVSS 7.5) requires no authentication or user interaction, allowing unauthenticated attackers to disrupt service. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.8.20CPE matchmatch criteria
cpe:2.3:a:drachtio:drachtio-server:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/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
3.1

Exploit Intelligence

EPSS Score
1.15%
Probability of exploitation in next 30 days
EPSS Percentile
63.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0115 is in the 42nd percentile among its peer group of 51,485 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

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

github.com / drachtio/drachtio-server/commit/4cf9fe2c420b86c16442215d449d40be777c1911
PatchThird Party Advisory
github.com / drachtio/drachtio-server/issues/245
ExploitThird Party Advisory