CVE-2021-1461
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2021
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Cisco SD-WAN Software Signature Verification Bypass Vulnerability
A vulnerability in the Image Signature Verification feature of Cisco SD-WAN Software could allow an authenticated, remote attacker with Administrator-level credentials to install a malicious software patch on an affected device. The vulnerability is due to improper verification of digital signatures for patch images. An attacker could exploit this vulnerability by crafting an unsigned software patch to bypass signature checks and loading it on an affected device. A successful exploit could allow the attacker to boot a malicious software patch image.Cisco has released software updates that address the vulnerability described in this advisory. There are no workarounds that address this vulnerability.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Cisco Catalyst SD-WAN Manager
- Vendor
- Cisco
- Product
- Cisco Catalyst SD-WAN Manager
- Platforms
- Unknown
- Default status
unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 19.2.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 18.4.4 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 19.3.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 19.2.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 19.2.099 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 18.3.6 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 18.3.7 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 19.2.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 18.3.8 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 19.0.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 19.1.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 18.4.302 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 18.4.303 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 19.2.097 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 19.2.098 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.2.10 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 18.3.6.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 19.0.1a | affected | Unavailable | Unavailable | Unavailable | None listed |
| 18.2.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 18.4.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 18.4.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.2.8 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 18.3.3.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 18.4.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 18.3.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.2.6 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.2.9 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 18.3.4 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.2.5 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 18.3.1.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 18.3.5 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 18.4.0.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 18.3.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.2.7 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.2.4 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 18.3.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 19.2.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 19.2.929 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 19.2.31 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 19.2.32 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 19.2.4 | affected | Unavailable | Unavailable | Unavailable | None listed |
Cisco SD-WAN vEdge Router
- Vendor
- Cisco
- Product
- Cisco SD-WAN vEdge Router
- Platforms
- Unknown
- Default status
unknown
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 18.4.303 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 18.3.7 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 19.3.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 18.2.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 19.2.099 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.2.10 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 18.3.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 18.3.6 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 19.0.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.2.6 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 18.4.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 19.1.01 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 19.2.098 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 18.3.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 18.4.302 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 19.2.2 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 18.3.5 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.2.9 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 19.1.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 19.2.097 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.2.5 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.2.8 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 18.3.8 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 18.3.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 18.4.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 18.4.4 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 19.2.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.2.4 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 18.3.4 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 19.0.1a | affected | Unavailable | Unavailable | Unavailable | None listed |
| 17.2.7 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 18.4.1 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 19.2.0 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 19.2.3 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 19.2.929 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 19.2.31 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 19.2.32 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 19.2.4 | affected | Unavailable | Unavailable | Unavailable | None listed |