CVE-2021-35252
HIGHCVSS 7.5/10EPSS 0.52%
Last modified
CVE-2021-35252 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Common encryption key appears to be used across all deployed instances of Serv-U FTP Server. Because of this an encrypted value that is exposed to an attacker can be simply recovered to plaintext.. EPSS estimates a 0.52% chance of exploitation in the next 30 days.
Description
Common encryption key appears to be used across all deployed instances of Serv-U FTP Server. Because of this an encrypted value that is exposed to an attacker can be simply recovered to plaintext.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Solarwinds | Serv-U | < 15.3.2 |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-35252Third Party Advisory
- https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-3-2_release_notes.htmRelease Notes, Vendor Advisory
- https://www.solarwinds.com/trust-center/security-advisories/CVE-2021-35252Patch, Vendor Advisory
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-35252Third Party Advisory
- https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-3-2_release_notes.htmRelease Notes, Vendor Advisory
- https://www.solarwinds.com/trust-center/security-advisories/CVE-2021-35252Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-35252?
Common encryption key appears to be used across all deployed instances of Serv-U FTP Server. Because of this an encrypted value that is exposed to an attacker can be simply recovered to plaintext.
How severe is CVE-2021-35252?
CVE-2021-35252 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.52% probability of exploitation in the next 30 days.
How do I fix CVE-2021-35252?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-35252?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST