CVE-2021-34432
published 2021-07-27CVE-2021-34432: In Eclipse Mosquitto versions 2.07 and earlier, the server will crash if the client tries to send a PUBLISH packet with topic length = 0.
PriorityP338high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
1.25%
65.6th percentile
In Eclipse Mosquitto versions 2.07 and earlier, the server will crash if the client tries to send a PUBLISH packet with topic length = 0.
Affected
7 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | mosquitto | < mosquitto 2.0.8-1 (bookworm) | mosquitto 2.0.8-1 (bookworm) |
| eclipse | mosquitto | <= 2.0.7 | — |
| eclipse | mosquitto | >= 0 < 2.0.8-1 | 2.0.8-1 |
| eclipse | mosquitto | >= 0 < 2.0.8-1 | 2.0.8-1 |
| eclipse | mosquitto | >= 0 < 2.0.8-1 | 2.0.8-1 |
| eclipse | mosquitto | >= 0 < 2.0.8-1 | 2.0.8-1 |
| the_eclipse_foundation | eclipse_mosquitto | unspecified – 2.07 | — |
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
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.
Debian
CVE-2021-34432: mosquitto - In Eclipse Mosquitto versions 2.07 and earlier, the server will crash if the cli...
vendor_debian·2021·CVSS 7.5
CVE-2021-34432 [HIGH] CVE-2021-34432: mosquitto - In Eclipse Mosquitto versions 2.07 and earlier, the server will crash if the cli...
In Eclipse Mosquitto versions 2.07 and earlier, the server will crash if the client tries to send a PUBLISH packet with topic length = 0.
Scope: local
bookworm: resolved (fixed in 2.0.8-1)
bullseye: resolved (fixed in 2.0.8-1)
forky: resolved (fixed in 2.0.8-1)
sid: resolved (fixed in 2.0.8-1)
trixie: resolved (fixed in 2.0.8-1)
GHSA
GHSA-9972-xmxv-v66x: In Eclipse Mosquitto versions 2
ghsa_unreviewed·2022-05-24
CVE-2021-34432 [HIGH] GHSA-9972-xmxv-v66x: In Eclipse Mosquitto versions 2
In Eclipse Mosquitto versions 2.07 and earlier, the server will crash if the client tries to send a PUBLISH packet with topic length = 0.
OSV
CVE-2021-34432: In Eclipse Mosquitto versions 2
osv·2021-07-27·CVSS 7.5
CVE-2021-34432 [HIGH] CVE-2021-34432: In Eclipse Mosquitto versions 2
In Eclipse Mosquitto versions 2.07 and earlier, the server will crash if the client tries to send a PUBLISH packet with topic length = 0.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2021-07-27
Published