VulnerabilityModified
CVE-2021-35252
Because of this an encrypted value that is exposed to an attacker can be simply recovered to plaintext.
HIGH 7.5EPSS 0.52%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.52%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 0.52% probability · 43th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-798, CWE-287
- Affected
- solarwinds/serv-u
- Source
- psirt@solarwinds.com
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.