NULL pointer dereference in Trusteddomain Opendmarc
CVE-2021-34555
OpenDMARC 1.4.1 and 1.4.1.1 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a multi-value From header field.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.027 (85.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 85.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: 0.000
Affected products
- Trusteddomain Opendmarc — versions 1.4.1, 1.4.1.1
- Fedoraproject Fedora — versions 33, 34
Weakness classification (CWE)
References
- github.com/trusteddomainproject/OpenDMARC/issues/179 (Exploit, Patch, Third Party Advisory, Issue Tracking)
- github.com/trusteddomainproject/OpenDMARC/pull/178 (Patch, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2021-34555?
- CVE-2021-34555 is a high-severity vulnerability in Trusteddomain Opendmarc, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2021-06-10.
- How severe is CVE-2021-34555?
- High severity. CVSS v3 base score is 7.5 out of 10.