Sametime
Vendor:
First CVE: May 12, 2022 · Active for 4 years
17
Total CVEs
More Total CVEs than 93% of tracked products
5.7
Avg CVEs / Year
Higher CVE frequency than 90% of tracked products
5.6
Avg CVSS
Higher Avg CVSS than 16% of tracked products
0.0%
KEV Rate
Bottom 1%
Trends Over Time
The number and severity of CVEs published that impact Sametime over time
Volume of CVEsAvg CVSS Base Score
First CVE
May 12, 2022
4 years ago
Most Recent CVE
Mar 17, 2026
129 days ago
CVE Severity & Scoring
Sametime17 CVEs
24%
47%
29%
All CVEs352,231 CVEs
45%
40%
11%
LowMediumHigh
Attack Vector
Local4 (23.5%)
Network12 (70.6%)
Unknown0 (0.0%)
Physical1 (5.9%)
Adjacent Network0 (0.0%)
Attack Complexity
Low17 (100.0%)
High0 (0.0%)
Unknown0 (0.0%)
User Interaction
None12 (70.6%)
Unknown0 (0.0%)
Required5 (29.4%)
Privileges Required
Low6 (35.3%)
High1 (5.9%)
None10 (58.8%)
Unknown0 (0.0%)
Top CVEs
Signals from CVEs in this product scope (17 CVEs).
17 CVEs · Highest risk first
| CVE | Published | CVSS | Risk | KEV | Exploit |
|---|---|---|---|---|---|
CVE-2021-27770HIGH The vulnerability was discovered within the “FaviconService”. The service takes a base64-encoded URL which is then requested by the webserver. We assume this service is used by the | May 12, 2022 | 8.8 | 27 | NO | NO |
CVE-2021-27771HIGH User SID can be modified resulting in an Arbitrary File Upload or deletion of directories causing a Denial of Service. When interacting in a normal matter with the Sametime chat ap | May 12, 2022 | 7.6 | 24 | NO | NO |
CVE-2023-50349HIGH Sametime is impacted by a Cross Site Request Forgery (CSRF) vulnerability. Some REST APIs in the Sametime Proxy application can allow an attacker to perform malicious actions on t | Feb 9, 2024 | 8.8 | 23 | NO | NO |
CVE-2023-45718HIGH Sametime is impacted by a failure to invalidate sessions. The application is setting sensitive cookie values in a persistent manner in Sametime Web clients. When this happens, coo | Feb 9, 2024 | 7.5 | 22 | NO | NO |
CVE-2022-42446MEDIUM Starting with Sametime 12, anonymous users are enabled by default. After logging in as an anonymous user, one has the ability to browse the User Directory and potentially create ch | Dec 12, 2022 | 6.5 | 22 | NO | NO |
CVE-2021-27772MEDIUM Users are able to read group conversations without actively taking part in them. Next to one to one conversations, users are able to start group conversations with multiple users. | May 12, 2022 | 6.5 | 22 | NO | NO |
CVE-2023-45696HIGH Sametime is impacted by sensitive fields with autocomplete enabled in the Legacy web chat client. By default, this allows user entered data to be stored by the browser.
| Feb 10, 2024 | 7.5 | 21 | NO | NO |
CVE-2023-50355MEDIUM HCL Sametime is impacted by the error messages containing sensitive information. An attacker can use this information to launch another, more focused attack. | Oct 23, 2024 | 5.3 | 20 | NO | NO |
CVE-2021-27769MEDIUM Information leakage occurs when a website reveals information that could aid an attacker to further exploit the system. This information may or may not be sensitive and does not au | May 12, 2022 | 5.3 | 20 | NO | NO |
CVE-2021-27773MEDIUM This vulnerability allows users to execute a clickjacking attack in the meeting's chat. | May 12, 2022 | 4.3 | 18 | NO | NO |
Exploit Exposure
Signals from CVEs in this product scope (17 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 (17 CVEs).
Media Mentions
Signals from CVEs in this product scope (17 CVEs).
Top CNAs Publishing CVEs For Sametime
Top CWEs
Versions
| Version | CVE Count | Avg CVSS | Avg EPSS | KEV | Exploits |
|---|---|---|---|---|---|
| 12.0.2 | 3 | 4.9 | 0.2% | 0 | 0 |
| 12.0 | 1 | 6.5 | 0.4% | 0 | 0 |
| 11.6 | 5 | 6.5 | 0.6% | 0 | 0 |