7.5

CVE-2022-47516: drachtio drachtio-server Reachable Assertion

Modified
AliasesMGASA-2023-0072UBUNTU-CVE-2022-47516DEBIAN-CVE-2022-47516
Published 18-12-2022Last modified 17-04-2025

Vulnerability summary

CVE-2022-47516 is a high (CVSS 7.5) Reachable Assertion vulnerability in drachtio drachtio-server. EPSS estimates a 1.76% chance of exploitation in the next 30 days, higher than 78.1% of scored vulnerabilities. 1 public exploit is recorded.

Priority
Prioritisepublic exploit

Public exploit (GitHub, Date unknown)

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
1.76%
0%100%
Low · +0.06 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits1github

Advisory lineage

Upstream 0 · Downstream 2 · Related 1
DSA-5410-1USN-5932-1

Timeline

  1. 18-12-2022
    PublishedVulnerability first disclosed.
  2. 17-04-2025
    Last modifiedVulnerability information updated.

Description

An issue was discovered in the libsofia-sip fork in drachtio-server before 0.8.20. It allows remote attackers to cause a denial of service (daemon crash) via a crafted UDP message that leads to a failure of the libsofia-sip-ua/tport/tport.c self assertion.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

1.76%

Chance of exploitation in the next 30 days

Percentile

78%

Versus all other CVEs

30-day change

Increase +0.06 pp

From 1.70% on 11-10-2026

11-10-202610-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

1 found
  • githubUnverified

    Drachtio Server

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Debian1 product
  • sofia-sip< 1.12.11+20110422.1-2.1+deb10u3 | < 1.12.11+20110422.1+1e14eea~dfsg-5
Drachtio1 product
Mageia1 product
  • sofia-sip< 1.12.11-10.3.mga8
Ubuntu1 product
  • sofia-sip< 1.12.11+20110422.1-2.1+deb10u3ubuntu0.16.04.1~esm1 | < 1.12.11+20110422.1-2.1+deb10u3build0.18.04.1 | < 1.12.11+20110422.1-2.1+deb10u3ubuntu0.20.04.1 | < 1.12.11+20110422.1-2.1+deb10u3ubuntu0.22.04.1

4 vendors · 4 products

References

11 links
Show all 11 references