Vulnerability Details : CVE-2021-25214
In BIND 9.8.5 -> 9.8.8, 9.9.3 -> 9.11.29, 9.12.0 -> 9.16.13, and versions BIND 9.9.3-S1 -> 9.11.29-S1 and 9.16.8-S1 -> 9.16.13-S1 of BIND 9 Supported Preview Edition, as well as release versions 9.17.0 -> 9.17.11 of the BIND 9.17 development branch, when a vulnerable version of named receives a malformed IXFR triggering the flaw described above, the named process will terminate due to a failed assertion the next time the transferred secondary zone is refreshed.
Products affected by CVE-2021-25214
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:*
- cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:*
- cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:*
- cpe:2.3:a:isc:bind:*:*:*:*:-:*:*:*
- cpe:2.3:a:isc:bind:9.11.5:s5:*:*:supported_preview:*:*:*
- cpe:2.3:a:isc:bind:9.11.5:s3:*:*:supported_preview:*:*:*
- cpe:2.3:a:isc:bind:9.9.3:s1:*:*:supported_preview:*:*:*
- cpe:2.3:a:isc:bind:9.10.7:s1:*:*:supported_preview:*:*:*
- cpe:2.3:a:isc:bind:9.11.3:s1:*:*:supported_preview:*:*:*
- cpe:2.3:a:isc:bind:9.11.7:s1:*:*:supported_preview:*:*:*
- cpe:2.3:a:isc:bind:9.10.5:s1:*:*:supported_preview:*:*:*
- cpe:2.3:a:isc:bind:9.11.6:s1:*:*:supported_preview:*:*:*
- cpe:2.3:a:isc:bind:9.11.5:s6:*:*:supported_preview:*:*:*
- cpe:2.3:a:isc:bind:9.11.12:s1:*:*:supported_preview:*:*:*
- cpe:2.3:a:isc:bind:9.11.8:s1:*:*:supported_preview:*:*:*
- cpe:2.3:a:isc:bind:9.11.21:s1:*:*:supported_preview:*:*:*
- cpe:2.3:a:isc:bind:9.9.12:s1:*:*:supported_preview:*:*:*
- cpe:2.3:a:isc:bind:9.9.13:s1:*:*:supported_preview:*:*:*
- cpe:2.3:a:isc:bind:9.11.27:s1:*:*:supported_preview:*:*:*
- cpe:2.3:a:isc:bind:9.16.8:s1:*:*:supported_preview:*:*:*
- cpe:2.3:a:isc:bind:9.16.11:s1:*:*:supported_preview:*:*:*
- cpe:2.3:a:isc:bind:9.11.29:s1:*:*:supported_preview:*:*:*
- cpe:2.3:a:isc:bind:9.16.13:s1:*:*:supported_preview:*:*:*
- cpe:2.3:a:siemens:sinec_infrastructure_network_services:*:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
- cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vsphere:*:*
- cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:aff_a250_firmware:-:*:*:*:*:*:*:*
- cpe:2.3:o:netapp:aff_500f_firmware:-:*:*:*:*:*:*:*
Threat overview for CVE-2021-25214
Top countries where our scanners detected CVE-2021-25214
Top open port discovered on systems with this issue
53
IPs affected by CVE-2021-25214 1,108,274
Threat actors abusing to this issue?
Yes
Find out if you* are
affected by CVE-2021-25214!
*Directly or indirectly through your vendors, service providers and 3rd parties.
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attack surface intelligence
from SecurityScorecard.
Exploit prediction scoring system (EPSS) score for CVE-2021-25214
0.64%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 68 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-25214
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:N/I:N/A:P |
8.0
|
2.9
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
Internet Systems Consortium (ISC) |
CWE ids for CVE-2021-25214
-
The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-25214
-
https://security.netapp.com/advisory/ntap-20210521-0006/
April 2021 ISC BIND Vulnerabilities in NetApp Products | NetApp Product SecurityThird Party Advisory
-
http://www.openwall.com/lists/oss-security/2021/04/29/3
oss-security - Re: ISC discloses three BIND vulnerabilities (CVE-2021-25214, CVE-2021-25215, and CVE-2021-25216)Mailing List;Third Party Advisory
-
http://www.openwall.com/lists/oss-security/2021/04/29/1
oss-security - ISC discloses three BIND vulnerabilities (CVE-2021-25214, CVE-2021-25215, and CVE-2021-25216)Mailing List;Third Party Advisory
-
https://www.debian.org/security/2021/dsa-4909
Debian -- Security Information -- DSA-4909-1 bind9Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZDSRPCJQ7MZC6CENH5PO3VQOFI7VSWBE/
[SECURITY] Fedora 33 Update: bind-9.11.31-1.fc33 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://kb.isc.org/v1/docs/cve-2021-25214
CVE-2021-25214: A broken inbound incremental zone update (IXFR) can cause named to terminate unexpectedly - Security AdvisoriesVendor Advisory
-
http://www.openwall.com/lists/oss-security/2021/04/29/4
oss-security - Re: ISC discloses three BIND vulnerabilities (CVE-2021-25214, CVE-2021-25215, and CVE-2021-25216)Mailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VEC2XG4Q2ODTN2C4CGXEIXU3EUTBMK7L/
[SECURITY] Fedora 34 Update: bind-dyndb-ldap-11.7-3.fc34 - package-announce - Fedora Mailing-ListsMailing List;Third Party Advisory
-
https://lists.debian.org/debian-lts-announce/2021/05/msg00001.html
[SECURITY] [DLA 2647-1] bind9 security updateMailing List;Third Party Advisory
-
http://www.openwall.com/lists/oss-security/2021/04/29/2
oss-security - Re: ISC discloses three BIND vulnerabilities (CVE-2021-25214, CVE-2021-25215, and CVE-2021-25216)Mailing List;Third Party Advisory
-
https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
Patch;Third Party Advisory
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