CVE-2021-41039
published 2021-12-01CVE-2021-41039: In versions 1.6 to 2.0.11 of Eclipse Mosquitto, an MQTT v5 client connecting with a large number of user-property properties could cause excessive CPU usage…
PriorityP337high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
1.26%
65.9th percentile
In versions 1.6 to 2.0.11 of Eclipse Mosquitto, an MQTT v5 client connecting with a large number of user-property properties could cause excessive CPU usage, leading to a loss of performance and possible denial of service.
Affected
10 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | mosquitto | < mosquitto 2.0.11-1.2 (bookworm) | mosquitto 2.0.11-1.2 (bookworm) |
| eclipse | mosquitto | >= 0 < 2.0.11-1+deb11u1 | 2.0.11-1+deb11u1 |
| eclipse | mosquitto | >= 0 < 2.0.11-1.2 | 2.0.11-1.2 |
| eclipse | mosquitto | >= 0 < 2.0.11-1.2 | 2.0.11-1.2 |
| eclipse | mosquitto | >= 0 < 2.0.11-1.2 | 2.0.11-1.2 |
| eclipse | mosquitto | >= 0 < 2.0.11-1ubuntu1.1 | 2.0.11-1ubuntu1.1 |
| eclipse | mosquitto | >= 0 < 1.6.9-1ubuntu0.1~esm1 | 1.6.9-1ubuntu0.1~esm1 |
| eclipse | mosquitto | 1.6 – 2.0.11 | — |
| the_eclipse_foundation | eclipse_mosquitto | >= 1.6 < unspecified | unspecified |
| the_eclipse_foundation | eclipse_mosquitto | unspecified – 2.0.11 | — |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
osv7.5HIGH
vendor_debian7.5HIGH
vendor_ubuntu6.5MEDIUM
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
Ubuntu
Mosquitto vulnerabilities
vendor_ubuntu·2023-11-21·CVSS 6.5
CVE-2023-0809 [MEDIUM] Mosquitto vulnerabilities
Title: Mosquitto vulnerabilities
Summary: Several security issues were fixed in Mosquitto.
Kathrin Kleinhammer discovered that Mosquitto incorrectly handled certain
inputs. If a user or an automated system were provided with a specially crafted
input, a remote attacker could possibly use this issue to cause a denial of
service. This issue only affected Ubuntu 20.04 LTS. (CVE-2021-34431)
Zhanxiang Song discovered that Mosquitto incorrectly handled certain inputs. If
a user or an automated system were provided with a specially crafted input, a
remote attacker could possibly use this issue to cause an authorisation bypass.
This issue only affected Ubuntu 22.04 LTS and Ubuntu 23.04. (CVE-2021-34434)
Zhanxiang Song, Bin Yuan, DeQing Zou, and Hai Jin discovered that Mosquitto
incorrectly han
Debian
CVE-2021-41039: mosquitto - In versions 1.6 to 2.0.11 of Eclipse Mosquitto, an MQTT v5 client connecting wit...
vendor_debian·2021·CVSS 7.5
CVE-2021-41039 [HIGH] CVE-2021-41039: mosquitto - In versions 1.6 to 2.0.11 of Eclipse Mosquitto, an MQTT v5 client connecting wit...
In versions 1.6 to 2.0.11 of Eclipse Mosquitto, an MQTT v5 client connecting with a large number of user-property properties could cause excessive CPU usage, leading to a loss of performance and possible denial of service.
Scope: local
bookworm: resolved (fixed in 2.0.11-1.2)
bullseye: resolved (fixed in 2.0.11-1+deb11u1)
forky: resolved (fixed in 2.0.11-1.2)
sid: resolved (fixed in 2.0.11-1.2)
trixie: resolved (fixed in 2.0.11-1.2)
OSV
mosquitto vulnerabilities
osv·2023-11-21·CVSS 6.5
CVE-2021-34431 [MEDIUM] mosquitto vulnerabilities
mosquitto vulnerabilities
Kathrin Kleinhammer discovered that Mosquitto incorrectly handled certain
inputs. If a user or an automated system were provided with a specially crafted
input, a remote attacker could possibly use this issue to cause a denial of
service. This issue only affected Ubuntu 20.04 LTS. (CVE-2021-34431)
Zhanxiang Song discovered that Mosquitto incorrectly handled certain inputs. If
a user or an automated system were provided with a specially crafted input, a
remote attacker could possibly use this issue to cause an authorisation bypass.
This issue only affected Ubuntu 22.04 LTS and Ubuntu 23.04. (CVE-2021-34434)
Zhanxiang Song, Bin Yuan, DeQing Zou, and Hai Jin discovered that Mosquitto
incorrectly handled certain inputs. If a user or an automated system were
provide
GHSA
GHSA-5xp2-36v8-r67m: In versions 1
ghsa_unreviewed·2021-12-02
CVE-2021-41039 [HIGH] CWE-1050 GHSA-5xp2-36v8-r67m: In versions 1
In versions 1.6 to 2.0.11 of Eclipse Mosquitto, an MQTT v5 client connecting with a large number of user-property properties could cause excessive CPU usage, leading to a loss of performance and possible denial of service.
OSV
CVE-2021-41039: In versions 1
osv·2021-12-01·CVSS 7.5
CVE-2021-41039 [HIGH] CVE-2021-41039: In versions 1
In versions 1.6 to 2.0.11 of Eclipse Mosquitto, an MQTT v5 client connecting with a large number of user-property properties could cause excessive CPU usage, leading to a loss of performance and possible denial of service.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2021-12-01
Published