HIGH
dnskeygen in BIND 8.2.4 and earlier, and dnssec-keygen in BIND 9.1.2 and earlier, set insecure permissions for a HMAC-MD5 shared secret key file used for DNS Transactional Signatures (TSIG), which allows attackers to obtain the keys and perform dynamic DNS updates
Published Mar 9, 2002
7.8
HIGHCVSS 3.1
EPSS 0.43%
Description
dnskeygen in BIND 8.2.4 and earlier, and dnssec-keygen in BIND 9.1.2 and earlier, set insecure permissions for a HMAC-MD5 shared secret key file used for DNS Transactional Signatures (TSIG), which allows attackers to obtain the keys and perform dynamic DNS updates.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
7.8 HIGH NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
No CVSS v3.0 score for this CVE.
4.6 MEDIUM NVD
AV:L/AC:L/Au:N/C:P/I:P/A:P
Access Vector Local
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
0.43% 0.00431
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.00431
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.43% (0.00431) | 34.95th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.43% (0.00431) | 34.15th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.06% (0.00055) | 14.27th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.05% (0.00050) | 21.65th | v3 (v2023.03.01) |
| May 3, 2024 | 0.05% (0.00050) | 18.62th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.05% (0.00050) | 16.52th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.05% (0.00052) | 18.73th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00890) | 30.33th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00890) | 28.64th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00890) | 26.62th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00890) | 12.04th | v2 (v2022.01.01) |
Weaknesses (1)
References (3)
- http://www.osvdb.org/5609 vdb-entryx_refsource_OSVDBBroken Link
- http://xforce.iss.net/alerts/advise78.php third-party-advisoryx_refsource_ISSPatchVendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/6694 vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://www.osvdb.org/5609 | vdb-entryx_refsource_OSVDBBroken Link | |
| http://xforce.iss.net/alerts/advise78.php | third-party-advisoryx_refsource_ISSPatchVendor Advisory | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/6694 | vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Mar 9, 2002
Updated Aug 8, 2024
Reserved Jun 4, 2001
Link CVE-2001-0497
CISA Vulnrichment
Updated n/a