CVE-2021-37155

published 2021-07-21

CVE-2021-37155: wolfSSL 4.6.x through 4.7.x before 4.8.0 does not produce a failure outcome when the serial number in an OCSP request differs from the serial number in the…

Priority P3 42 critical 9.8 CVSS 3.1

AV N AC L PR N UI N S U C H I H A H

wolfSSL 4.6.x through 4.7.x before 4.8.0 does not produce a failure outcome when the serial number in an OCSP request differs from the serial number in the OCSP response.

Affected

6 ranges

Vendor	Product	Version range	Fixed in
debian	wolfssl	< wolfssl 5.0.0-1 (bookworm)	wolfssl 5.0.0-1 (bookworm)
wolfssl	wolfssl	>= 0 < 4.6.0+p1-0+deb11u1	4.6.0+p1-0+deb11u1
wolfssl	wolfssl	>= 0 < 5.0.0-1	5.0.0-1
wolfssl	wolfssl	>= 0 < 5.0.0-1	5.0.0-1
wolfssl	wolfssl	>= 0 < 5.0.0-1	5.0.0-1
wolfssl	wolfssl	>= 4.6.0 < 4.8.0	4.8.0

CVSS provenance

nvd v3.1 9.8 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvd v2.0 7.5 HIGH AV:N/AC:L/Au:N/C:P/I:P/A:P

osv 9.8 CRITICAL

vendor_debian 9.8 CRITICAL

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.