CVE-2022-20775: Cisco SD-WAN Path Traversal Vulnerability
- Is it exploited?
Yes. CISA added it to the Known Exploited Vulnerabilities catalog on 25 Feb 2026, 1,244 days after the CVE record was published.
- How likely is exploitation in the next 30 days?
- 12.5%
EPSS score, percentile 96.2 of all scored records
- How severe?
- 7.8 High
CVSS v3.1 base score, given by the CNA
- What should I do?
Required action (CISA), due 27 Feb 2026: Please adhere to CISA’s guidelines to assess exposure and mitigate risks associated with Cisco SD-WAN devices as outlines in CISA’s Emergency Directive 26-03 (URL listed below in Notes) and CISA’s “Hunt & Hardening Guidance for Cisco SD-WAN Devices (URL listed below in Notes). Adhere to the applicable BOD 22-01 guidance for cloud services or discontinue use of the product if mitigations are not available.
The CVE record links no vendor advisory, patch or mitigation.
- Which versions are affected?
Affected: 18.3.1; 19.2.1; 17.2.4; 19.3.0; 18.3.0; 18.3.4; 18.4.303; 18.4.0.1; 17.2.9; 18.3.7; 18.2.0; 17.2.10; 20.1.12; 19.2.1; 18.4.4; 18.4.5; 20.1.1.1; 20.1.1; 19.3.0; 19.2.2; 19.2.099; 18.3.6; 18.3.7; 19.2.0; 18.4.5; 20.1.12; 18.3.6; 19.2.1; 19.3.0; 20.1.1; 19.2.2; 18.3.8; 18.4.3; 18.4.4; 18.4.302; 19.1.0; 19.2.1; 20.1.12; 18.4.4; 19.3.0; 18.3.8; 19.2.2; 20.1.1; 18.3.6; 18.4.3; 18.4.302; 18.4.5; 18.4.303; 18.4.303; 18.3.7; 19.3.0; 18.2.0; 20.1.12; 19.2.099; 17.2.10; 18.3.3; 18.3.6; 19.0.0; 17.2.6; 18.4.0
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
What to do
Required action, set by CISA
Please adhere to CISA’s guidelines to assess exposure and mitigate risks associated with Cisco SD-WAN devices as outlines in CISA’s Emergency Directive 26-03 (URL listed below in Notes) and CISA’s “Hunt & Hardening Guidance for Cisco SD-WAN Devices (URL listed below in Notes). Adhere to the applicable BOD 22-01 guidance for cloud services or discontinue use of the product if mitigations are not available.
CISA due date for this action: 27 February 2026.
Advisories and patches
The CVE record links no vendor advisory, patch or mitigation.
Linked from CISA's catalog entry
- https://www.cisa.gov/news-events/directives/ed-26-03-mitigate-vulnerabilities-cisco-sd-wan-systems
- https://www.cisa.gov/news-events/directives/supplemental-direction-ed-26-03-hunt-and-hardening-guidance-cisco-sd-wan-systems
- https://www.cisco.com/c/en/us/support/docs/csa/cisco-sa-sd-wan-priv-E6e8tEdF.html
- https://nvd.nist.gov/vuln/detail/CVE-2022-20775
Affected products and versions
As listed in the CVE record.
| Status | Versions |
|---|---|
| Affected | 18.3.1 |
| Affected | 19.2.1 |
| Affected | 17.2.4 |
| Affected | 19.3.0 |
| Affected | 18.3.0 |
| Affected | 18.3.4 |
| Affected | 18.4.303 |
| Affected | 18.4.0.1 |
| Affected | 17.2.9 |
| Affected | 18.3.7 |
| Affected | 18.2.0 |
| Affected | 17.2.10 |
Versions not listed are: unknown.
And 100 more version entries in the CVE record.
| Status | Versions |
|---|---|
| Affected | 20.1.12 |
| Affected | 19.2.1 |
| Affected | 18.4.4 |
| Affected | 18.4.5 |
| Affected | 20.1.1.1 |
| Affected | 20.1.1 |
| Affected | 19.3.0 |
| Affected | 19.2.2 |
| Affected | 19.2.099 |
| Affected | 18.3.6 |
| Affected | 18.3.7 |
| Affected | 19.2.0 |
Versions not listed are: unknown.
And 140 more version entries in the CVE record.
| Status | Versions |
|---|---|
| Affected | 18.4.5 |
| Affected | 20.1.12 |
| Affected | 18.3.6 |
| Affected | 19.2.1 |
| Affected | 19.3.0 |
| Affected | 20.1.1 |
| Affected | 19.2.2 |
| Affected | 18.3.8 |
| Affected | 18.4.3 |
| Affected | 18.4.4 |
| Affected | 18.4.302 |
| Affected | 19.1.0 |
Versions not listed are: unknown.
And 24 more version entries in the CVE record.
| Status | Versions |
|---|---|
| Affected | 19.2.1 |
| Affected | 20.1.12 |
| Affected | 18.4.4 |
| Affected | 19.3.0 |
| Affected | 18.3.8 |
| Affected | 19.2.2 |
| Affected | 20.1.1 |
| Affected | 18.3.6 |
| Affected | 18.4.3 |
| Affected | 18.4.302 |
| Affected | 18.4.5 |
| Affected | 18.4.303 |
Versions not listed are: unknown.
And 67 more version entries in the CVE record.
| Status | Versions |
|---|---|
| Affected | 18.4.303 |
| Affected | 18.3.7 |
| Affected | 19.3.0 |
| Affected | 18.2.0 |
| Affected | 20.1.12 |
| Affected | 19.2.099 |
| Affected | 17.2.10 |
| Affected | 18.3.3 |
| Affected | 18.3.6 |
| Affected | 19.0.0 |
| Affected | 17.2.6 |
| Affected | 18.4.0 |
Versions not listed are: unknown.
And 70 more version entries in the CVE record.
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
About this vulnerability
Cisco SD-WAN CLI contains a path traversal vulnerability that could allow an authenticated local attacker to gain elevated privileges via improper access controls on commands within the application CLI. A successful exploit could allow the attacker to execute arbitrary commands as the root user.
Summary: CISA's KEV catalog, as of 28 Oct 2026.
- CISA added CVE-2022-20775 to its Known Exploited Vulnerabilities (KEV) catalog on 25 Feb 2026.
- CISA's ransomware flag for this entry is "Unknown": no evidence of ransomware use in the catalog, which is not proof of none.
- The due date CISA sets for the required action is 27 Feb 2026.
- The CVE record was published on 30 Sep 2022, 1,244 days before it was added to KEV.
- The CVE record carries a CVSS v3.1 base score of 7.8 (High), given by its CNA.
- FIRST's EPSS model puts the probability of exploitation in the next 30 days at 12.5% (percentile 96.2), as of 28 Oct 2026.
- CISA's SSVC assessment in the CVE record: exploitation active, automatable no, technical impact total.
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026. About the data.
Description
Cisco SD-WAN Software Privilege Escalation Vulnerability
A vulnerability in the CLI of Cisco SD-WAN Software could allow an authenticated, local attacker to gain elevated privileges. This vulnerability is due to improper access controls on commands within the application CLI. An attacker could exploit this vulnerability by running a maliciously crafted command on the application CLI. A successful exploit could allow the attacker to execute arbitrary commands as the root user. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sd-wan-priv-E6e8tEdF
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
Weakness
CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record and the KEV entry.
Timeline
| Date | Event |
|---|---|
| 30 Sep 2022 | CVE record published |
| 25 Feb 2026 | Added to CISA KEV |
| 27 Feb 2026 | CISA due date for the required action |
| 2 Mar 2026 | CVE record last updated |
References
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