HIGH
Heap-based buffer overflow in Opera 7.11 and 7.20 allows remote attackers to execute arbitrary code via an HREF with a large number of escaped characters in the server name
Published Oct 21, 2003
7.5
HIGHCVSS 2.0
EPSS 15.43%
Description
Heap-based buffer overflow in Opera 7.11 and 7.20 allows remote attackers to execute arbitrary code via an HREF with a large number of escaped characters in the server name.
Affected products
No data.
OR
- 7.11
- 7.20
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.
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
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.
15.43% 0.15429
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.15429
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 2, 2026 | 15.43% (0.15429) | 96.70th | v5 (v2026.06.15) |
| Jun 15, 2026 | 15.06% (0.15064) | 96.29th | v5 (v2026.06.15) |
| Mar 30, 2025 | 11.66% (0.11662) | 93.03th | v4 (v2025.03.14) |
| Mar 29, 2025 | 12.93% (0.12932) | 90.07th | v4 (v2025.03.14) |
| Mar 17, 2025 | 11.66% (0.11662) | 93.11th | v4 (v2025.03.14) |
| Dec 12, 2024 | 4.81% (0.04814) | 93.02th | v3 (v2023.03.01) |
| Nov 5, 2023 | 4.81% (0.04814) | 91.84th | v3 (v2023.03.01) |
| Mar 7, 2023 | 3.46% (0.03456) | 90.01th | v3 (v2023.03.01) |
| Mar 6, 2023 | 7.69% (0.07687) | 93.05th | v2 (v2022.01.01) |
| Apr 1, 2022 | 7.69% (0.07687) | 92.39th | v2 (v2022.01.01) |
| Feb 4, 2022 | 7.69% (0.07687) | 81.34th | v2 (v2022.01.01) |
Weaknesses (1)
References (4)
- http://archives.neohapsis.com/archives/vulnwatch/2003-q4/0016.html mailing-listx_refsource_VULNWATCHBroken Link
- http://www.atstake.com/research/advisories/2003/a102003-1.txt vendor-advisoryx_refsource_ATSTAKEExploitPatchVendor Advisory
- http://www.securityfocus.com/bid/8853 vdb-entryx_refsource_BIDBroken LinkExploitPatchThird Party AdvisoryVDB EntryVendor Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/13458 vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://archives.neohapsis.com/archives/vulnwatch/2003-q4/0016.html | mailing-listx_refsource_VULNWATCHBroken Link | |
| http://www.atstake.com/research/advisories/2003/a102003-1.txt | vendor-advisoryx_refsource_ATSTAKEExploitPatchVendor Advisory | |
| http://www.securityfocus.com/bid/8853 | vdb-entryx_refsource_BIDBroken LinkExploitPatchThird Party AdvisoryVDB EntryVendor Advisory | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/13458 | vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Oct 21, 2003
Updated Aug 8, 2024
Reserved Oct 17, 2003
Link CVE-2003-0870
CISA Vulnrichment
Updated n/a