CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
5.1 | $0-$5k | 0.00 |
A vulnerability classified as problematic has been found in ISC BIND up to 9.11.29/9.16.13/9.17.11 (Domain Name Software). This affects an unknown code block of the component Query Handler. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability.
The weakness was shared 04/29/2021. The advisory is shared at kb.isc.org. This vulnerability is uniquely identified as CVE-2021-25215. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.
Upgrading to version 9.11.31, 9.16.15 or 9.17.12 eliminates this vulnerability.
Product
Type
Vendor
Name
Version
- 9.11.0
- 9.11.1
- 9.11.2
- 9.11.3
- 9.11.4
- 9.11.5
- 9.11.6
- 9.11.7
- 9.11.8
- 9.11.9
- 9.11.10
- 9.11.11
- 9.11.12
- 9.11.13
- 9.11.14
- 9.11.15
- 9.11.16
- 9.11.17
- 9.11.18
- 9.11.19
- 9.11.20
- 9.11.21
- 9.11.22
- 9.11.23
- 9.11.24
- 9.11.25
- 9.11.26
- 9.11.27
- 9.11.28
- 9.11.29
- 9.16.0
- 9.16.1
- 9.16.2
- 9.16.3
- 9.16.4
- 9.16.5
- 9.16.6
- 9.16.7
- 9.16.8
- 9.16.9
- 9.16.10
- 9.16.11
- 9.16.12
- 9.16.13
- 9.17.0
- 9.17.1
- 9.17.2
- 9.17.3
- 9.17.4
- 9.17.5
- 9.17.6
- 9.17.7
- 9.17.8
- 9.17.9
- 9.17.10
- 9.17.11
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 5.1
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
---|---|---|---|---|---|
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Denial of serviceCWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: BIND 9.11.31/9.16.15/9.17.12
Timeline
01/15/2021 🔍04/29/2021 🔍
04/29/2021 🔍
05/03/2021 🔍
Sources
Vendor: isc.orgAdvisory: kb.isc.org
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2021-25215 (🔍)
Entry
Created: 04/29/2021 09:13Updated: 05/03/2021 07:09
Changes: 04/29/2021 09:13 (39), 05/03/2021 06:55 (6), 05/03/2021 07:09 (1)
Complete: 🔍
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