MEDIUM
security flaw
Published May 30, 2003
5.0
MEDIUMCVSS 2.0
EPSS 15.12%
Description
The authentication module for Apache 2.0.40 through 2.0.45 on Unix does not properly handle threads safely when using the crypt_r or crypt functions, which allows remote attackers to cause a denial of service (failed Basic authentication with valid usernames and passwords) when a threaded MPM is used.
Affected products
No data.
OR
- 2.0.40
- 2.0.41
- 2.0.42
- 2.0.43
- 2.0.44
- 2.0.45
No data.
Red Hat Linux 8.0
n/a
Fixed · RHSA-2003:186
Red Hat Linux 9
n/a
Fixed · RHSA-2003:186
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Linux 8.0 | n/a | Fixed | RHSA-2003:186 |
| Red Hat Linux 9 | n/a | Fixed | RHSA-2003:186 |
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.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
15.12% 0.15122
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.15122
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 (20 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 15.12% (0.15122) | 96.64th | v5 (v2026.06.15) |
| Jun 15, 2026 | 15.12% (0.15122) | 96.30th | v5 (v2026.06.15) |
| Apr 11, 2026 | 17.93% (0.17927) | 95.14th | v4 (v2025.03.14) |
| Dec 28, 2025 | 16.26% (0.16257) | 94.60th | v4 (v2025.03.14) |
| Dec 27, 2025 | 19.41% (0.19408) | 95.21th | v4 (v2025.03.14) |
| Oct 28, 2025 | 16.26% (0.16257) | 94.53th | v4 (v2025.03.14) |
| Oct 27, 2025 | 19.41% (0.19408) | 95.13th | v4 (v2025.03.14) |
| Oct 1, 2025 | 16.26% (0.16257) | 94.62th | v4 (v2025.03.14) |
| Jul 30, 2025 | 19.41% (0.19408) | 95.14th | v4 (v2025.03.14) |
| Mar 30, 2025 | 16.26% (0.16257) | 94.27th | v4 (v2025.03.14) |
| Mar 29, 2025 | 20.60% (0.20600) | 92.80th | v4 (v2025.03.14) |
| Mar 17, 2025 | 16.26% (0.16257) | 94.34th | v4 (v2025.03.14) |
| Dec 17, 2024 | 5.27% (0.05274) | 92.94th | v3 (v2023.03.01) |
| Dec 12, 2024 | 1.31% (0.01308) | 86.49th | v3 (v2023.03.01) |
| Mar 27, 2024 | 0.70% (0.00696) | 79.80th | v3 (v2023.03.01) |
| Jun 14, 2023 | 0.89% (0.00888) | 80.31th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.63% (0.00627) | 75.70th | v3 (v2023.03.01) |
| Mar 6, 2023 | 7.34% (0.07344) | 92.59th | v2 (v2022.01.01) |
| Apr 1, 2022 | 7.34% (0.07344) | 91.87th | v2 (v2022.01.01) |
| Feb 4, 2022 | 7.34% (0.07344) | 80.64th | v2 (v2022.01.01) |
Weaknesses (0)
No CWE recorded.
References (26)
- http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000661 vendor-advisoryx_refsource_CONECTIVA
- http://marc.info/?l=bugtraq&m=105418115512559&w=2 mailing-listx_refsource_BUGTRAQ
- http://secunia.com/advisories/8881 third-party-advisoryx_refsource_SECUNIA
- http://www.apache.org/dist/httpd/Announcement2.html x_refsource_CONFIRMPatchVendor Advisory
- http://www.kb.cert.org/vuls/id/479268 third-party-advisoryx_refsource_CERT-VNUS Government Resource
- http://www.redhat.com/support/errata/RHSA-2003-186.html vendor-advisoryx_refsource_REDHATPatchVendor Advisory
- http://www.securityfocus.com/bid/7725 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2003-0189 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1616996 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/12091 vdb-entryx_refsource_XF
- https://lists.apache.org/thread.html/54a42d4b01968df1117cea77fc53d6beb931c0e05936ad02af93e9ac%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/5df9bfb86a3b054bb985a45ff9250b0332c9ecc181eec232489e7f79%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/r0276683d8e1e07153fc8642618830ac0ade85b9ae0dc7b07f63bb8fc%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/r2cb985de917e7da0848c440535f65a247754db8b2154a10089e4247b%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/r5001ecf3d6b2bdd0b732e527654248abb264f08390045d30709a92f6%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/r5f9c22f9c28adbd9f00556059edc7b03a5d5bb71d4bb80257c0d34e4%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/r7035b7c9091c4b665a3b7205364775410646f12125d48e74e395f2ce%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/r8828e649175df56f1f9e3919938ac7826128525426e2748f0ab62feb%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/r9e8622254184645bc963a1d47c5d47f6d5a36d6f080d8d2c43b2b142%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/raa117ef183f0da9b3f46efbeaa66f7622bd68868a450cae4fd8ed594%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/rb9c9f42dafa25d2f669dac2a536a03f2575bc5ec1be6f480618aee10%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/re028d61fe612b0908595d658b9b39e74bca56f2a1ed3c5f06b5ab571%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://nvd.nist.gov/vuln/detail/CVE-2003-0189
- https://www.cve.org/CVERecord?id=CVE-2003-0189
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published May 30, 2003
Updated Aug 8, 2024
Reserved Apr 1, 2003
Link CVE-2003-0189
CISA Vulnrichment
Updated n/a