3.7
CVE-2026-6986
- EPSS 0.22%
- Veröffentlicht 25.04.2026 16:30:13
- Zuletzt bearbeitet 29.04.2026 19:00:39
- Quelle cna@vuldb.com
- CVE-Watchlists
- Unerledigt
LoginCesanta Mongoose GCM Authentication Tag tls_aes128.c mg_aes_gcm_decrypt signature verification
A security vulnerability has been detected in Cesanta Mongoose up to 7.20. This issue affects the function mg_aes_gcm_decrypt of the file /src/tls_aes128.c of the component GCM Authentication Tag Handler. Such manipulation leads to improper verification of cryptographic signature. The attack may be performed from remote. A high complexity level is associated with this attack. The exploitability is assessed as difficult. The exploit has been disclosed publicly and may be used. Upgrading to version 7.21 is capable of addressing this issue. It is advisable to upgrade the affected component. VulDB has contacted the vendor early and they confirmed quickly, that this issue got fixed already.
| Typ | Quelle | Score | Percentile |
|---|---|---|---|
| EPSS | FIRST.org | 0.22% | 0.119 |
| Quelle | Base Score | Exploit Score | Impact Score | Vector String |
|---|---|---|---|---|
| cna@vuldb.com | 3.7 | 2.2 | 1.4 |
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N
|
| cna@vuldb.com | 2.9 | 0 | 0 |
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
|
| cna@vuldb.com | 2.6 | 4.9 | 2.9 |
AV:N/AC:H/Au:N/C:N/I:P/A:N
|
CWE-345 Insufficient Verification of Data Authenticity
The product does not sufficiently verify the origin or authenticity of data, in a way that causes it to accept invalid data.
CWE-347 Improper Verification of Cryptographic Signature
The product does not verify, or incorrectly verifies, the cryptographic signature for data.
https://github.com/cesanta/mongoose/releases/tag/7.21
https://vuldb.com/vuln/359529
https://vuldb.com/vuln/359529/cti
https://vuldb.com/submit/796231
https://github.com/dwBruijn/CVEs/blob/main/Mongoose/AESGCM.md