CVE-2022-20715
No exploitation reported by the sources we read.
- Published2022-05-03
- Fixed in9.17.1.7 · 9.16.2.14 · 9.15.1.21 · 9.14.4 · 9.12.4.38 · 9.8.4.44
- WeaknessCWE-20 · CWE-399
Am I affected?
Debian, Ubuntu or Red Hat sometimes backport a fix without changing the upstream version number: such a version reads « to verify », never « affected ».With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.
Description
A vulnerability in the remote access SSL VPN features of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper validation of errors that are logged as a result of client connections that are made using remote access VPN. An attacker could exploit this vulnerability by sending crafted requests to an affected system. A successful exploit could allow the attacker to cause the affected device to restart, resulting in a DoS condition.
Timeline
dates in UTC- 2022-05-0304:15CVE publishedNVD
Observed activity
isMalicious corpus · updated 2026-10-23 21:37 UTCBlock these indicators
- Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2022-20715?format=txt
- CSV export: https://api.ismalicious.com/edl/cve/CVE-2022-20715?format=csv
- TAXII collection of exploited CVEs
- The EDL and CSV take an API key on the Pro plan.
Versions per branch
NVD| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 9.17 | ≥ 9.17.0, < 9.17.1.7 | 9.17.1.7 | NVD |
| 9.16 | ≥ 9.16.0, < 9.16.2.14 | 9.16.2.14 | NVD |
| 9.15 | ≥ 9.15, < 9.15.1.21 | 9.15.1.21 | NVD |
| 9.x | ≥ 9.13, < 9.14.4 | 9.14.4 | NVD |
| 9.x | ≥ 9.9, < 9.12.4.38 | 9.12.4.38 | NVD |
| 9.8 | < 9.8.4.44 | 9.8.4.44 | NVD |
| Branch | Affected | Fixed in | Source |
|---|---|---|---|
| 7.0 | ≥ 6.7.0, < 7.0.2 | 7.0.2 | NVD |
| 6.x | ≥ 6.5.0, < 6.6.5.2 | 6.6.5.2 | NVD |
| 6.4 | < 6.4.0.15 | 6.4.0.15 | NVD |
| 7.1 | = 7.1.0 | no fix published | NVD |
as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.
Fix
- Update Cisco ASA to 9.17.1.7 · 9.16.2.14 · 9.15.1.21 · 9.14.4 · 9.12.4.38 · 9.8.4.44
Advisories and patches
- tools.cisco.comVendor Advisory
Detection
- Nuclei template
- none so far ProjectDiscovery
- Exploit-DB
- no entry Exploit-DB
- Proof-of-concept repositories
- none listed PoC-in-GitHub
Sources
Technical details
- CVSS v3 Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
- Published
- 2022-05-03
- Last Modified
- 2026-08-11
- NVD status
- Modified
Frequently asked questions
What is CVE-2022-20715?
Is CVE-2022-20715 actively exploited?
What is the CVSS score for CVE-2022-20715?
Hear about the next vulnerability in your software
Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».
No credit card required · No monthly cap on website lookups · 250 API requests/month
Go further
- Following what attackers exploit right now? The CISA KEV additions of the month, with their patch deadlines.
- Running this software? Vulnerability monitoring alerts you to new vulnerabilities in your products.
Related vulnerabilities
Same product first, then the same vendor advisory and the same publication week.