HIGH
mod_auth in lighttpd before 1.4.36 allows remote attackers to inject arbitrary log entries via a basic HTTP authentication string without a colon character, as demonstrated by a string containing a NULL and new line character
Published Jun 9, 2015
7.5
HIGHCVSS 3.0
EPSS 9.91%
Description
mod_auth in lighttpd before 1.4.36 allows remote attackers to inject arbitrary log entries via a basic HTTP authentication string without a colon character, as demonstrated by a string containing a NULL and new line character.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
7.5 HIGH NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact High
Availability Impact None
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:P/A:N
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact Partial
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
9.91% 0.09909
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.09909
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 (34 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 9.91% (0.09909) | 95.44th | v5 (v2026.06.15) |
| Sep 22, 2026 | 9.91% (0.09909) | 95.36th | v5 (v2026.06.15) |
| Sep 21, 2026 | 7.35% (0.07353) | 94.21th | v5 (v2026.06.15) |
| Sep 20, 2026 | 9.91% (0.09909) | 95.36th | v5 (v2026.06.15) |
| Sep 6, 2026 | 9.98% (0.09978) | 95.28th | v5 (v2026.06.15) |
| Sep 5, 2026 | 7.41% (0.07405) | 94.12th | v5 (v2026.06.15) |
| Aug 30, 2026 | 9.98% (0.09978) | 95.26th | v5 (v2026.06.15) |
| Aug 28, 2026 | 7.41% (0.07405) | 94.08th | v5 (v2026.06.15) |
| Aug 24, 2026 | 9.98% (0.09978) | 95.23th | v5 (v2026.06.15) |
| Aug 23, 2026 | 7.41% (0.07405) | 94.05th | v5 (v2026.06.15) |
| Jun 15, 2026 | 9.98% (0.09978) | 94.98th | v5 (v2026.06.15) |
| Dec 28, 2025 | 20.03% (0.20033) | 95.28th | v4 (v2025.03.14) |
| Dec 27, 2025 | 15.64% (0.15644) | 94.50th | v4 (v2025.03.14) |
| Dec 17, 2025 | 20.03% (0.20033) | 95.28th | v4 (v2025.03.14) |
| Oct 28, 2025 | 18.05% (0.18054) | 94.87th | v4 (v2025.03.14) |
| Oct 27, 2025 | 12.24% (0.12244) | 93.57th | v4 (v2025.03.14) |
| Oct 1, 2025 | 18.05% (0.18054) | 94.96th | v4 (v2025.03.14) |
| Jul 30, 2025 | 12.24% (0.12244) | 93.57th | v4 (v2025.03.14) |
| Jul 9, 2025 | 18.05% (0.18054) | 94.86th | v4 (v2025.03.14) |
| May 5, 2025 | 36.06% (0.36060) | 96.85th | v4 (v2025.03.14) |
| Apr 6, 2025 | 38.08% (0.38081) | 96.92th | v4 (v2025.03.14) |
| Mar 30, 2025 | 36.06% (0.36060) | 96.77th | v4 (v2025.03.14) |
| Mar 29, 2025 | 52.02% (0.52020) | 96.95th | v4 (v2025.03.14) |
| Mar 19, 2025 | 36.06% (0.36060) | 96.61th | v4 (v2025.03.14) |
| Mar 17, 2025 | 34.57% (0.34570) | 96.63th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.77% (0.00774) | 81.99th | v3 (v2023.03.01) |
| Jul 3, 2024 | 0.77% (0.00774) | 81.42th | v3 (v2023.03.01) |
| May 16, 2024 | 1.09% (0.01095) | 84.32th | v3 (v2023.03.01) |
| Feb 14, 2024 | 1.12% (0.01123) | 84.18th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.79% (0.00794) | 81.02th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.79% (0.00794) | 78.91th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.97% (0.01974) | 78.97th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.97% (0.01974) | 77.12th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.97% (0.01974) | 56.20th | v2 (v2022.01.01) |
Weaknesses (1)
References (9)
- http://jaanuskp.blogspot.com/2015/05/cve-2015-3200.html x_refsource_MISCExploitThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163223.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163286.html vendor-advisoryx_refsource_FEDORA
- http://redmine.lighttpd.net/issues/2646 x_refsource_CONFIRMVendor Advisory
- http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html x_refsource_CONFIRMThird Party Advisory
- http://www.securityfocus.com/bid/74813 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1032405 vdb-entryx_refsource_SECTRACKVDB Entry
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05247375 x_refsource_CONFIRMVendor Advisory
- https://kc.mcafee.com/corporate/index?page=content&id=SB10310 x_refsource_CONFIRM
| Link | Providers | Tags |
|---|---|---|
| http://jaanuskp.blogspot.com/2015/05/cve-2015-3200.html | x_refsource_MISCExploitThird Party Advisory | |
| http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163223.html | vendor-advisoryx_refsource_FEDORA | |
| http://lists.fedoraproject.org/pipermail/package-announce/2015-August/163286.html | vendor-advisoryx_refsource_FEDORA | |
| http://redmine.lighttpd.net/issues/2646 | x_refsource_CONFIRMVendor Advisory | |
| http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html | x_refsource_CONFIRMThird Party Advisory | |
| http://www.securityfocus.com/bid/74813 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id/1032405 | vdb-entryx_refsource_SECTRACKVDB Entry | |
| https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05247375 | x_refsource_CONFIRMVendor Advisory | |
| https://kc.mcafee.com/corporate/index?page=content&id=SB10310 | x_refsource_CONFIRM |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published Jun 9, 2015
Updated Aug 6, 2024
Reserved Apr 10, 2015
Link CVE-2015-3200
CISA Vulnrichment
Updated n/a