CVE-2020-24698: An issue was discovered in PowerDNS Authoritative through 4.3.0 when --enable-experimental-gss-tsig is used. A remote, unauthenticated attacker might be able…

PriorityP355critical9.8CVSS 3.1

AVNACLPRNUINSUCHIHAH

EPSS

3.16%

86.5th percentile

An issue was discovered in PowerDNS Authoritative through 4.3.0 when --enable-experimental-gss-tsig is used. A remote, unauthenticated attacker might be able to cause a double-free, leading to a crash or possibly arbitrary code execution. by sending crafted queries with a GSS-TSIG signature.

Affected

6 ranges

Vendor	Product	Version range	Fixed in
debian	pdns	< pdns 4.4.0-1 (bookworm)	pdns 4.4.0-1 (bookworm)
open-xchange	pdns	>= 0 < 4.4.0-1	4.4.0-1
open-xchange	pdns	>= 0 < 4.4.0-1	4.4.0-1
open-xchange	pdns	>= 0 < 4.4.0-1	4.4.0-1
open-xchange	pdns	>= 0 < 4.4.0-1	4.4.0-1
powerdns	authoritative	<= 4.3.0	—

CVSS provenance

nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvdv2.06.8MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P

osv9.8CRITICAL

vendor_debian9.8LOW

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.