CVE-2010-5107: openbsd openssh Uncontrolled Resource Consumption
CVSS: 7.5v3.1HighModified
AliasesRHSA-2013:1591DEBIAN-CVE-2010-5107
Published 07-03-2013Last modified 29-05-2026
Vulnerability summary
CVE-2010-5107 is a high (CVSS 7.5) Uncontrolled Resource Consumption vulnerability in openbsd openssh. EPSS estimates a 16.51% chance of exploitation in the next 30 days, higher than 96.9% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (CVE.org)EPSS score
16.51%
0%100%
Medium · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 1Timeline
- 07-03-2013PublishedVulnerability first disclosed.
- 29-05-2026Last modifiedVulnerability information updated.
Description
The default configuration of OpenSSH through 6.1 enforces a fixed time limit between establishing a TCP connection and completing a login, which makes it easier for remote attackers to cause a denial of service (connection-slot exhaustion) by periodically making many new TCP connections.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 7.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 agree
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
16.51%
Chance of exploitation in the next 30 days
Percentile
97%
Versus all other CVEs
30-day change
0.00 pp
From 16.51% on 19-09-2026
19-09-202619-10-2026
EPSS score16.51%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Redhat7 products
- openssh< 0:5.3p1-94.el6
- openssh-askpass< 0:5.3p1-94.el6
- openssh-clients< 0:5.3p1-94.el6
- openssh-debuginfo< 0:5.3p1-94.el6
- openssh-ldap< 0:5.3p1-94.el6
Debian1 product
- openssh< 1:6.0p1-4
Openbsd1 product
- openssh≤ 6.1 | 1.2 | 1.2.1 | 1.2.2 | 1.2.3 | 1.2.27 | 1.3 | 1.5 | 1.5.7 | 1.5.8 | 2.1 | 2.1.1 | 2.2 | 2.3 | 2.3.1 | 2.5 | 2.5.1 | 2.5.2 | 2.9 | 2.9.9 | 2.9.9p2 | 2.9p1 | 2.9p2 | 3.0 | 3.0.1 | 3.0.1p1 | 3.0.2 | 3.0.2p1 | 3.0p1 | 3.1 | 3.1p1 | 3.2 | 3.2.2 | 3.2.2p1 | 3.2.3p1 | 3.3 | 3.3p1 | 3.4 | 3.4p1 | 3.5 | 3.5p1 | 3.6 | 3.6.1 | 3.6.1p1 | 3.6.1p2 | 3.7 | 3.7.1 | 3.7.1p1 | 3.7.1p2 | 3.8 | 3.8.1 | 3.8.1p1 | 3.9 | 3.9.1 | 3.9.1p1 | 4.0 | 4.0p1 | 4.1 | 4.1p1 | 4.2 | 4.2p1 | 4.3 | 4.3p1 | 4.3p2 | 4.4 | 4.4p1 | 4.5 | 4.6 | 4.7 | 4.8 | 4.9 | 5.0 | 5.1 | 5.2 | 5.3 | 5.4 | 5.5 | 5.6 | 5.7 | 5.8 | 5.8p2 | 5.9 | 6.0
3 vendors · 9 products
References
21 links- www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/servconf.c?r1=1.234X Refsource CONFIRM
- www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/sshd_config?r1=1.89X Refsource CONFIRM
- www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.htmlX Refsource CONFIRM
- www.oracle.com/technetwork/topics/security/cpujan2015-1972971.htmlX Refsource CONFIRM
- www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/ssh/sshd_config.5?r1=1.156X Refsource CONFIRM
Show all 21 references
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19595VDB EntrySignatureX Refsource OVAL
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19515VDB EntrySignatureX Refsource OVAL
- access.redhat.com/site/…ARTICLE