Apache Traffic Server before 2.0.1, and 2.1.x before 2.1.2-unstable, does not properly choose DNS source ports and transaction IDs, and does not properly use DNS query fields to validate responses, which makes it easier for man-in-the-middle attackers to poison the internal DNS cache via a crafted response
Published Sep 13, 2010
4.3
MEDIUMCVSS 2.0
EPSS 2.61%
Description
Apache Traffic Server before 2.0.1, and 2.1.x before 2.1.2-unstable, does not properly choose DNS source ports and transaction IDs, and does not properly use DNS query fields to validate responses, which makes it easier for man-in-the-middle attackers to poison the internal DNS cache via a crafted response.
Affected products
No data.
- ≤ 2.0.0
- 2.1.0
- 2.1.1
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:N/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.61% (0.02612) | 84.86th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.61% (0.02612) | 83.35th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.21% (0.01206) | 77.57th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.11% (0.00114) | 46.62th | v3 (v2023.03.01) |
| Jul 10, 2024 | 0.11% (0.00114) | 45.36th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.11% (0.00114) | 43.30th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.86% (0.01859) | 77.22th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.86% (0.01859) | 77.17th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.86% (0.01859) | 75.15th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.86% (0.01859) | 54.46th | v2 (v2022.01.01) |
References (8)
- http://secunia.com/advisories/41356 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://securitytracker.com/id?1024417 vdb-entryx_refsource_SECTRACK
- http://trafficserver.apache.org/ x_refsource_CONFIRM
- http://www.nth-dimension.org.uk/pub/NDSA20100830.txt.asc x_refsource_MISC
- http://www.securityfocus.com/archive/1/513598/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/43111 vdb-entryx_refsource_BID
- https://exchange.xforce.ibmcloud.com/vulnerabilities/61721 vdb-entryx_refsource_XF
- https://issues.apache.org/jira/browse/TS-425 x_refsource_CONFIRM
| Link | Providers | Tags |
|---|---|---|
| http://secunia.com/advisories/41356 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://securitytracker.com/id?1024417 | vdb-entryx_refsource_SECTRACK | |
| http://trafficserver.apache.org/ | x_refsource_CONFIRM | |
| http://www.nth-dimension.org.uk/pub/NDSA20100830.txt.asc | x_refsource_MISC | |
| http://www.securityfocus.com/archive/1/513598/100/0/threaded | mailing-listx_refsource_BUGTRAQ | |
| http://www.securityfocus.com/bid/43111 | vdb-entryx_refsource_BID | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/61721 | vdb-entryx_refsource_XF | |
| https://issues.apache.org/jira/browse/TS-425 | x_refsource_CONFIRM |
Change history (0)
No recorded changes yet.