Openconnect
Vendor:
First CVE: Oct 14, 2010 · Active for 15 years
10
Total CVEs
More Total CVEs than 89% of tracked products
2.0
Avg CVEs / Year
Higher CVE frequency than 63% of tracked products
7.0
Avg CVSS
Higher Avg CVSS than 43% of tracked products
0.0%
KEV Rate
Bottom 1%
Trends Over Time
The number and severity of CVEs published that impact Openconnect over time
Volume of CVEsAvg CVSS Base Score
First CVE
Oct 14, 2010
15 years ago
Most Recent CVE
May 12, 2020
2,268 days ago
CVE Severity & Scoring
Openconnect10 CVEs
60%
10%
30%
All CVEs353,173 CVEs
45%
40%
11%
MediumHighCritical
Attack Vector
Local0 (0.0%)
Network4 (40.0%)
Unknown6 (60.0%)
Physical0 (0.0%)
Adjacent Network0 (0.0%)
Attack Complexity
Low3 (30.0%)
High1 (10.0%)
Unknown6 (60.0%)
User Interaction
None4 (40.0%)
Unknown6 (60.0%)
Required0 (0.0%)
Privileges Required
Low0 (0.0%)
High0 (0.0%)
None4 (40.0%)
Unknown6 (60.0%)
Top CVEs
Signals from CVEs in this product scope (10 CVEs).
10 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2019-16239CRITICAL process_http_response in OpenConnect before 8.05 has a Buffer Overflow when a malicious server uses HTTP chunked encoding with crafted chunk sizes. | Sep 17, 2019 | 9.8 | 31 | NO | NO |
CVE-2020-12823CRITICAL OpenConnect 8.09 has a buffer overflow, causing a denial of service (application crash) or possibly unspecified other impact, via crafted certificate data to get_cert_name in gnutl | May 12, 2020 | 9.8 | 29 | NO | NO |
CVE-2013-7098CRITICAL OpenConnect VPN client with GnuTLS before 5.02 contains a heap overflow if MTU is increased on reconnection. | Feb 13, 2020 | 9.8 | 28 | NO | NO |
CVE-2012-3291HIGH Heap-based buffer overflow in OpenConnect 3.18 allows remote servers to cause a denial of service via a crafted greeting banner. | Jun 7, 2012 | 7.8 | 24 | NO | NO |
CVE-2010-3901MEDIUM OpenConnect before 2.25 does not properly validate X.509 certificates, which allows man-in-the-middle attackers to spoof arbitrary AnyConnect SSL VPN servers via a crafted server c | Oct 14, 2010 | 6.4 | 20 | NO | NO |
CVE-2012-6128MEDIUM Multiple stack-based buffer overflows in http.c in OpenConnect before 4.08 allow remote VPN gateways to cause a denial of service (application crash) via a long (1) hostname, (2) p | Feb 24, 2013 | 5.0 | 18 | NO | NO |
CVE-2010-3903MEDIUM Unspecified vulnerability in OpenConnect before 2.23 allows remote AnyConnect SSL VPN servers to cause a denial of service (application crash) via a 404 HTTP status code. | Oct 14, 2010 | 5.0 | 18 | NO | NO |
CVE-2010-3902MEDIUM OpenConnect before 2.26 places the webvpn cookie value in the debugging output, which might allow remote attackers to obtain sensitive information by reading this output, as demons | Oct 14, 2010 | 5.0 | 18 | NO | NO |
CVE-2020-12105MEDIUM OpenConnect through 8.08 mishandles negative return values from X509_check_ function calls, which might assist attackers in performing man-in-the-middle attacks. | Apr 23, 2020 | 5.9 | 17 | NO | NO |
CVE-2009-5009MEDIUM Double free vulnerability in OpenConnect before 1.40 might allow remote AnyConnect SSL VPN servers to cause a denial of service (application crash) or possibly have unspecified oth | Oct 14, 2010 | 5.0 | 17 | NO | NO |
Exploit Exposure
Signals from CVEs in this product scope (10 CVEs).
CISA KEV
0 CVEs
0.0% of CVEs· Bottom 1%
Metasploit
0 CVEs
0.0% of CVEs· Bottom 1%
Nuclei
0 CVEs
0.0% of CVEs· Bottom 1%
ExploitDB
0 CVEs
0.0% of CVEs· Bottom 1%
Social Chatter
Signals from CVEs in this product scope (10 CVEs).
Media Mentions
Signals from CVEs in this product scope (10 CVEs).
Top CNAs Publishing CVEs For Openconnect
Top CWEs
Versions
| Version | CVE Count | Avg CVSS | Avg EPSS | KEV | Exploits |
|---|---|---|---|---|---|
| 8.09 | 1 | 9.8 | 4.6% | 0 | 0 |
| 4.06 | 1 | 5.0 | 2.6% | 0 | 0 |
| 4.05 | 1 | 5.0 | 2.6% | 0 | 0 |
| 4.04 | 1 | 5.0 | 2.6% | 0 | 0 |
| 4.03 | 1 | 5.0 | 2.6% | 0 | 0 |
| 4.02 | 1 | 5.0 | 2.6% | 0 | 0 |
| 4.01 | 1 | 5.0 | 2.6% | 0 | 0 |
| 4.00 | 1 | 5.0 | 2.6% | 0 | 0 |
| 3.99 | 1 | 5.0 | 2.6% | 0 | 0 |
| 3.20 | 1 | 5.0 | 2.6% | 0 | 0 |
| 3.19 | 1 | 5.0 | 2.6% | 0 | 0 |
| 3.18 | 1 | 5.0 | 2.6% | 0 | 0 |
| 3.17 | 1 | 5.0 | 2.6% | 0 | 0 |
| 3.16 | 2 | 6.4 | 2.5% | 0 | 0 |
| 3.15 | 2 | 6.4 | 2.5% | 0 | 0 |
| 3.14 | 2 | 6.4 | 2.5% | 0 | 0 |
| 3.13 | 2 | 6.4 | 2.5% | 0 | 0 |
| 3.12 | 2 | 6.4 | 2.5% | 0 | 0 |
| 3.11 | 2 | 6.4 | 2.5% | 0 | 0 |
| 3.02 | 2 | 6.4 | 2.5% | 0 | 0 |