CVE-2017-7520: openvpn technologies, inc openvpn
CVSS: 7.4v3.0HighModified
AliasesUBUNTU-CVE-2017-7520DEBIAN-CVE-2017-7520DLA-999-1
Published 27-06-2017Last modified 05-08-2024
Vulnerability summary
CVE-2017-7520 is a high (CVSS 7.4) vulnerability in openvpn technologies, inc openvpn. EPSS estimates a 3.38% chance of exploitation in the next 30 days, higher than 88.6% of scored vulnerabilities.
CVSS score
7.4/10
010
High · v3.0 (NVD)EPSS score
3.38%
0%100%
Low · 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 5 · Related 3Timeline
- 27-06-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
OpenVPN versions before 2.4.3 and before 2.3.17 are vulnerable to denial-of-service and/or possibly sensitive memory leak triggered by man-in-the-middle attacker.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 7.4Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.4HighCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.4HighCVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H
Medium 4.0Preferred score · NVD (NIST)
AV:N/AC:H/Au:N/C:P/I:N/A:PSourcesSingle source
EPSS trend
Probability
3.38%
Chance of exploitation in the next 30 days
Percentile
89%
Versus all other CVEs
30-day change
0.00 pp
From 3.38% on 20-09-2026
20-09-202620-10-2026
EPSS score3.38%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- openvpn< 2.4.3-1 | < 2.2.1-8+deb7u5
Openvpn1 product
- openvpnEOL≤ 2.3.16 | 2.4.0 | 2.4.0:alpha2 | 2.4.0:beta1 | 2.4.0:beta2 | 2.4.0:rc1 | 2.4.0:rc2 | 2.4.1 | 2.4.2
Openvpn technologies, inc1 product
- openvpn< 2.4.3 | < 2.3.17
Ubuntu1 product
- openvpn< 2.3.2-7ubuntu3.2 | < 2.3.10-1ubuntu2.1
4 vendors · 4 products
References
10 links- community.openvpn.net/openvpn/wiki/VulnerabilitiesFixedInOpenVPN243X Refsource CONFIRMVendor AdvisoryREPORT