A vulnerability in the Multipurpose Internet Mail Extensions (MIME) scanner of Cisco AsyncOS Software for Cisco Email Security Appliances (ESA) and Web Security Appliances (WSA) could allow an unauthenticated, remote attacker to bypass configured user filters on the device
Published Oct 28, 2016
7.5
HIGHCVSS 3.0
EPSS 2.42%
Description
A vulnerability in the Multipurpose Internet Mail Extensions (MIME) scanner of Cisco AsyncOS Software for Cisco Email Security Appliances (ESA) and Web Security Appliances (WSA) could allow an unauthenticated, remote attacker to bypass configured user filters on the device. Affected Products: all releases prior to the first fixed release of Cisco AsyncOS Software for Cisco ESA and Cisco WSA, both virtual and hardware appliances, if the software is configured with message or content filters to scan incoming email attachments. More Information: CSCuw03606, CSCux59734. Known Affected Releases: 8.0.0-000 8.5.6-106 9.0.0-000 9.1.0-032 9.6.0-042 9.5.0-444 WSA10.0.0-000. Known Fixed Releases: 9.1.1-038 9.7.1-066.
Affected products
- Vendor n/a Product Cisco AsyncOS through WSA10.0.0-000 Defaultn/a
- Version Cisco AsyncOS through WSA10.0.0-000StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | Cisco AsyncOS through WSA10.0.0-000 | n/a |
|
- 8.0.1-023
- 8.0_base
- 8.5.0-000
- 8.5.0-er1-198
- 8.5.6-052
- 8.5.6-073
- 8.5.6-074
- 8.5.6-106
- 8.5.6-113
- 8.5.7-042
- 8.6.0
- 8.6.0-011
- 8.9.0
- 8.9.1-000
- 8.9.2-032
- 9.0.0
- 9.0.0-212
- 9.0.0-461
- 9.0.5-000
- 9.1.0
- 9.1.0-011
- 9.1.0-032
- 9.1.0-101
- 9.1.1-000
- 9.4.0
- 9.4.4-000
- 9.5.0-000
- 9.5.0-201
- 9.6.0-000
- 9.6.0-042
- 9.7.0-125
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
AV:N/AC:L/Au:N/C:P/I:N/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.42% (0.02419) | 83.57th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.42% (0.02419) | 81.97th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.25% (0.00252) | 46.56th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.28% (0.00277) | 69.07th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.28% (0.00277) | 67.29th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.28% (0.00277) | 63.15th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
References (4)
- http://www.securityfocus.com/bid/93914 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1037116 vdb-entryx_refsource_SECTRACK
- http://www.securitytracker.com/id/1037117 vdb-entryx_refsource_SECTRACK
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161026-esawsa1 x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/93914 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id/1037116 | vdb-entryx_refsource_SECTRACK | |
| http://www.securitytracker.com/id/1037117 | vdb-entryx_refsource_SECTRACK | |
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20161026-esawsa1 | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.