Single Sign On
Vendor:
First CVE: Oct 26, 2017 · Active for 8 years
111
Total CVEs
More Total CVEs than 99% of tracked products
11.1
Avg CVEs / Year
Higher CVE frequency than 97% of tracked products
6.7
Avg CVSS
Higher Avg CVSS than 39% of tracked products
0.9%
KEV Rate
Higher KEV Rate than 97% of tracked products
Trends Over Time
The number and severity of CVEs published that impact Single Sign On over time
Volume of CVEsAvg CVSS Base Score
First CVE
Oct 26, 2017
8 years ago
Most Recent CVE
Mar 27, 2026
123 days ago
CVE Severity & Scoring
Single Sign On111 CVEs
45%
41%
9%
All CVEs353,173 CVEs
45%
40%
11%
LowMediumHighCritical
Attack Vector
Local5 (4.5%)
Network105 (94.6%)
Unknown0 (0.0%)
Physical1 (0.9%)
Adjacent Network0 (0.0%)
Attack Complexity
Low94 (84.7%)
High17 (15.3%)
Unknown0 (0.0%)
User Interaction
None83 (74.8%)
Unknown0 (0.0%)
Required28 (25.2%)
Privileges Required
Low38 (34.2%)
High8 (7.2%)
None65 (58.6%)
Unknown0 (0.0%)
Top CVEs
Signals from CVEs in this product scope (111 CVEs).
111 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2023-44487HIGH The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through | Oct 10, 2023 | 7.5 | 97 | YES | YES |
CVE-2023-48795MEDIUM The SSH transport protocol with certain OpenSSH extensions, found in OpenSSH before 9.6 and other products, allows remote attackers to bypass integrity checks such that some packet | Dec 18, 2023 | 5.9 | 81 | NO | YES |
CVE-2021-4104HIGH JMSAppender in Log4j 1.2 is vulnerable to deserialization of untrusted data when the attacker has write access to the Log4j configuration. The attacker can provide TopicBindingName | Dec 14, 2021 | 7.5 | 70 | NO | NO |
CVE-2019-9515HIGH Some HTTP/2 implementations are vulnerable to a settings flood, potentially leading to a denial of service. The attacker sends a stream of SETTINGS frames to the peer. Since the RF | Aug 13, 2019 | 7.5 | 65 | NO | NO |
CVE-2019-9514HIGH Some HTTP/2 implementations are vulnerable to a reset flood, potentially leading to a denial of service. The attacker opens a number of streams and sends an invalid request over ea | Aug 13, 2019 | 7.5 | 65 | NO | NO |
CVE-2020-27838MEDIUM A flaw was found in keycloak in versions prior to 13.0.0. The client registration endpoint allows fetching information about PUBLIC clients (like client secret) without authenticat | Mar 8, 2021 | 6.5 | 41 | NO | YES |
CVE-2025-12543CRITICAL A flaw was found in the Undertow HTTP server core, which is used in WildFly, JBoss EAP, and other Java applications. The Undertow library fails to properly validate the Host header | Jan 7, 2026 | 9.6 | 38 | NO | NO |
CVE-2019-14379CRITICAL SubTypeValidator.java in FasterXML jackson-databind before 2.9.9.2 mishandles default typing when ehcache is used (because of net.sf.ehcache.transaction.manager.DefaultTransactionM | Jul 29, 2019 | 9.8 | 36 | NO | NO |
CVE-2026-28368CRITICAL A flaw was found in Undertow. This vulnerability allows a remote attacker to construct specially crafted requests where header names are parsed differently by Undertow compared to | Mar 27, 2026 | 9.1 | 35 | NO | NO |
CVE-2026-28367CRITICAL A flaw was found in Undertow. A remote attacker can exploit this vulnerability by sending `\r\r\r` as a header block terminator. This can be used for request smuggling with certain | Mar 27, 2026 | 9.1 | 35 | NO | NO |
Exploit Exposure
Signals from CVEs in this product scope (111 CVEs).
CISA KEV
1 CVE
0.9% of CVEs· 97th percentile
Metasploit
0 CVEs
0.0% of CVEs· Bottom 1%
Nuclei
3 CVEs
2.7% of CVEs· 97th percentile
ExploitDB
1 CVE
0.9% of CVEs· 85th percentile
Social Chatter
Signals from CVEs in this product scope (111 CVEs).
Media Mentions
Signals from CVEs in this product scope (111 CVEs).
Top CNAs Publishing CVEs For Single Sign On
Top CWEs
Versions
| Version | CVE Count | Avg CVSS | Avg EPSS | KEV | Exploits |
|---|---|---|---|---|---|
| 7.6 | 11 | 7.2 | 1.6% | 0 | 1 |
| 7.5.1 | 1 | 7.5 | 1.3% | 0 | 0 |
| 7.5.0 | 2 | 6.7 | 1.0% | 0 | 0 |
| 7.4.7 | 1 | 7.1 | 0.3% | 0 | 0 |
| 7.4.4 | 1 | 4.2 | 0.6% | 0 | 0 |
| 7.4.10 | 1 | 7.5 | 1.3% | 0 | 0 |
| 7.4 | 4 | 6.0 | 1.0% | 0 | 0 |
| 7.3.5 | 1 | 4.9 | 1.1% | 0 | 0 |
| 7.3.3 | 1 | 8.1 | 0.7% | 0 | 0 |
| 7.3 | 11 | 7.6 | 15.1% | 0 | 0 |
| 7.2 | 7 | 6.1 | 1.3% | 0 | 0 |
| 7.1 | 4 | 6.3 | 1.9% | 0 | 0 |
| 7.0 | 57 | 6.9 | 6.2% | 1 | 3 |