CVE-2021-26701
high
CVSS v3
—
CVSS v2
—
VIR risk
8.0
Description
.NET Core Remote Code Execution Vulnerability
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: arch — https://security.archlinux.org/ASA-202103-21
Vendor advisory: arch — https://security.archlinux.org/ASA-202103-20
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 5.0.4.sdk104-1 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| NuGet | System.Text.Encodings.Web | >=4.0.0,<4.5.1 | 4.5.1 |
| NuGet | System.Text.Encodings.Web | >=4.6.0,<4.7.2 | 4.7.2 |
| NuGet | System.Text.Encodings.Web | >=5.0.0,<5.0.1 | 5.0.1 |
References
- https://security.archlinux.org/ASA-202103-20
- https://security.archlinux.org/ASA-202103-21
- https://nvd.nist.gov/vuln/detail/CVE-2021-26701
- https://github.com/dotnet/announcements/issues/178
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S2AZOUKMCHT2WBHR7MYDTYXWOBHZW5P5
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TW3ZSJTTMZAFKGW7NJWTVVFZUYYU2SJZ
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UBOSSX7U6BSHV5RI74FCOW4ITJ5RRJR5
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WA5WQJVHUL5C4XMJTLY3C67R4WP35EF4
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XPUKFHIGP5YNJRRFWKDJ2XRS4WTFJNNK
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YLFATXASXW4OV2ZBSRP4G55HJH73QPBP
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/S2AZOUKMCHT2WBHR7MYDTYXWOBHZW5P5
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TW3ZSJTTMZAFKGW7NJWTVVFZUYYU2SJZ
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UBOSSX7U6BSHV5RI74FCOW4ITJ5RRJR5
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WA5WQJVHUL5C4XMJTLY3C67R4WP35EF4
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/XPUKFHIGP5YNJRRFWKDJ2XRS4WTFJNNK
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/YLFATXASXW4OV2ZBSRP4G55HJH73QPBP
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26701
Verify integrity in audit chain (admin only). AS-IS.