Vulnerability in Isc Bind
CVE-2021-25220
BIND 9.11.0 -> 9.11.36 9.12.0 -> 9.16.26 9.17.0 -> 9.18.0 BIND Supported Preview Editions: 9.11.4-S1 -> 9.11.36-S1 9.16.8-S1 -> 9.16.26-S1 Versions of BIND 9 earlier than those shown - back to 9.1.0, including Supported Preview Editions -…
EPSS: 0.001 (25.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:H/A:N.
Affected products
- Isc Bind — versions Open Source Branch 9.11 9.11.0 through versions before 9.11.37, Development Branch 9.17 BIND 9.17 all version, Open Source Branch 9.12-16 9.12.0 through versions before 9.16.27
Public proof-of-concept exploits
References
- kb.isc.org/v1/docs/cve-2021-25220
- FEDORA-2022-14e36aac0c (vendor-advisory)
- FEDORA-2022-042d9c6146 (vendor-advisory)
- security.netapp.com/advisory/ntap-20220408-0001/
- FEDORA-2022-a88218de5c (vendor-advisory)
- FEDORA-2022-05918f0838 (vendor-advisory)
- FEDORA-2022-3f293290c3 (vendor-advisory)
- cert-portal.siemens.com/productcert/pdf/ssa-637483.pdf
- GLSA-202210-25 (vendor-advisory)
- supportportal.juniper.net/s/article/2022-10-Security-Bulletin-Junos-OS-SRX-Seri…
Frequently asked questions
- What is CVE-2021-25220?
- CVE-2021-25220 is a medium-severity vulnerability in Isc Bind. CVSS score: 6.8/10. Published 2022-03-23.
- How severe is CVE-2021-25220?
- Medium severity. CVSS v3 base score is 6.8 out of 10.
- Is CVE-2021-25220 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.