CVE-2017-7478: openvpn technologies, inc openvpn Reachable Assertion
CVSS: 7.5v3.0HighModified
AliasesALPINE-CVE-2017-7478DEBIAN-CVE-2017-7478
Published 15-05-2017Last modified 05-08-2024
Vulnerability summary
CVE-2017-7478 is a high (CVSS 7.5) Reachable Assertion vulnerability in openvpn technologies, inc openvpn. EPSS estimates a 13.78% chance of exploitation in the next 30 days, higher than 96.4% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.5/10
010
High · v3.0 (NVD)EPSS score
13.78%
0%100%
Medium · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1exploit-database
Advisory lineage
Upstream 0 · Downstream 4 · Related 3Timeline
- 15-05-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
OpenVPN version 2.3.12 and newer is vulnerable to unauthenticated Denial of Service of server via received large control packet. Note that this issue is fixed in 2.3.15 and 2.4.2.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · AlpineEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.0/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
13.78%
Chance of exploitation in the next 30 days
Percentile
96%
Versus all other CVEs
30-day change
0.00 pp
From 13.78% on 20-09-2026
20-09-202620-10-2026
EPSS score13.78%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundOpenVPN 2.4.0 - Denial of Service
Maturity: poc
Weaknesses
CWE · root cause- CWE-617Reachable AssertionThe product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary.
- CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
Affected systems
Alpine1 product
- openvpn< 2.3.15-r0 | < 2.4.2-r0
Debian1 product
- openvpn< 2.4.0-5
Openvpn1 product
- openvpnEOL2.3.12 | 2.3.13 | 2.3.14 | 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
Openvpn technologies, inc1 product
- openvpnEOL2.3.12 and newer
4 vendors · 4 products
References
6 links- community.openvpn.net/openvpn/wiki/QuarkslabAndCryptographyEngineerAuditsX Refsource CONFIRMVendor Advisory
