MEDIUM
Integer overflow in the mod_sftp (aka SFTP) module in ProFTPD 1.3.3d and earlier allows remote attackers to cause a denial of service (memory consumption leading to OOM kill) via a malformed SSH message
Published Mar 11, 2011
5.0
MEDIUMCVSS 2.0
EPSS 28.07%
Description
Integer overflow in the mod_sftp (aka SFTP) module in ProFTPD 1.3.3d and earlier allows remote attackers to cause a denial of service (memory consumption leading to OOM kill) via a malformed SSH message.
Affected products
No data.
OR
- ≤ 1.3.3
- 1.2.0
- 1.2.0
- 1.2.0
- 1.2.0
- 1.2.0
- 1.2.0
- 1.2.1
- 1.2.2
- 1.2.2
- 1.2.2
- 1.2.2
- 1.2.3
- 1.2.4
- 1.2.5
- 1.2.5
- 1.2.5
- 1.2.5
- 1.2.6
- 1.2.6
- 1.2.6
- 1.2.7
- 1.2.7
- 1.2.7
- 1.2.7
- 1.2.8
- 1.2.8
- 1.2.8
- 1.2.9
- 1.2.9
- 1.2.9
- 1.2.9
- 1.2.10
- 1.2.10
- 1.2.10
- 1.2.10
- 1.3.0
- 1.3.0
- 1.3.0
- 1.3.0
- 1.3.0
- 1.3.0
- 1.3.0
- 1.3.1
- 1.3.1
- 1.3.1
- 1.3.1
- 1.3.2
- 1.3.2
- 1.3.2
- 1.3.2
- 1.3.2
- 1.3.2
- 1.3.2
- 1.3.2
- 1.3.2
- 1.3.2
- 1.3.3
- 1.3.3
- 1.3.3
- 1.3.3
- 1.3.3
- 1.3.3
- 1.3.3
- 1.3.3
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.
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.
28.07% 0.28068
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.28068
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 | 28.07% (0.28068) | 98.06th | v5 (v2026.06.15) |
| Jun 15, 2026 | 28.07% (0.28068) | 97.85th | v5 (v2026.06.15) |
| Dec 28, 2025 | 2.57% (0.02571) | 85.12th | v4 (v2025.03.14) |
| Dec 27, 2025 | 3.85% (0.03855) | 87.89th | v4 (v2025.03.14) |
| Oct 28, 2025 | 2.68% (0.02678) | 85.28th | v4 (v2025.03.14) |
| Oct 27, 2025 | 4.01% (0.04013) | 87.99th | v4 (v2025.03.14) |
| Oct 1, 2025 | 2.68% (0.02678) | 85.34th | v4 (v2025.03.14) |
| Jul 30, 2025 | 4.01% (0.04013) | 88.01th | v4 (v2025.03.14) |
| May 6, 2025 | 2.68% (0.02678) | 85.00th | v4 (v2025.03.14) |
| Mar 30, 2025 | 6.54% (0.06538) | 90.21th | v4 (v2025.03.14) |
| Mar 29, 2025 | 9.90% (0.09904) | 88.25th | v4 (v2025.03.14) |
| Mar 19, 2025 | 6.54% (0.06538) | 89.95th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.96% (0.04955) | 88.93th | v4 (v2025.03.14) |
| Dec 12, 2024 | 8.33% (0.08333) | 94.66th | v3 (v2023.03.01) |
| Jun 24, 2024 | 8.33% (0.08333) | 94.42th | v3 (v2023.03.01) |
| Mar 30, 2023 | 6.68% (0.06676) | 92.70th | v3 (v2023.03.01) |
| Mar 7, 2023 | 9.15% (0.09152) | 93.64th | v3 (v2023.03.01) |
| Mar 6, 2023 | 12.57% (0.12567) | 95.52th | v2 (v2022.01.01) |
| Apr 1, 2022 | 12.57% (0.12567) | 95.18th | v2 (v2022.01.01) |
| Feb 4, 2022 | 12.57% (0.12567) | 90.03th | v2 (v2022.01.01) |
Weaknesses (1)
References (17)
- http://bugs.proftpd.org/show_bug.cgi?id=3586 x_refsource_CONFIRMPatch
- http://bugs.proftpd.org/show_bug.cgi?id=3587 x_refsource_CONFIRM
- http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058344.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2011-April/058356.html vendor-advisoryx_refsource_FEDORA
- http://proftp.cvs.sourceforge.net/viewvc/proftp/proftpd/contrib/mod_sftp/mod_sftp.c?r1=1.29.2.1&r2=1.29.2.2 x_refsource_CONFIRMPatch
- http://proftp.cvs.sourceforge.net/viewvc/proftp/proftpd/contrib/mod_sftp/packet.c?r1=1.14.2.2&r2=1.14.2.3 x_refsource_CONFIRMVendor Advisory
- http://proftp.cvs.sourceforge.net/viewvc/proftp/proftpd/contrib/mod_sftp/packet.h?r1=1.3&r2=1.3.2.1 x_refsource_CONFIRMVendor Advisory
- http://secunia.com/advisories/43234 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/43635 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/43978 third-party-advisoryx_refsource_SECUNIA
- http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.485806 vendor-advisoryx_refsource_SLACKWARE
- http://www.debian.org/security/2011/dsa-2185 vendor-advisoryx_refsource_DEBIAN
- http://www.exploit-db.com/exploits/16129/ exploitx_refsource_EXPLOIT-DB
- http://www.securityfocus.com/bid/46183 vdb-entryx_refsource_BIDExploit
- http://www.vupen.com/english/advisories/2011/0617 vdb-entryx_refsource_VUPENVendor Advisory
- http://www.vupen.com/english/advisories/2011/0857 vdb-entryx_refsource_VUPEN
- https://bugzilla.redhat.com/show_bug.cgi?id=681718 x_refsource_CONFIRMExploitPatch
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Mar 11, 2011
Updated Aug 6, 2024
Reserved Mar 2, 2011
Link CVE-2011-1137
CISA Vulnrichment
Updated n/a