The web authentication form in the NT4 authentication component in Citrix Access Gateway Enterprise Edition 9.2-49.8 and earlier, and the NTLM authentication component in Access Gateway Standard and Advanced Editions before Access Gateway 5.0, allows attackers to execute arbitrary commands via shell metacharacters in the password field
Published Jan 14, 2011
9.3
HIGHCVSS 2.0
EPSS 27.79%
Description
The web authentication form in the NT4 authentication component in Citrix Access Gateway Enterprise Edition 9.2-49.8 and earlier, and the NTLM authentication component in Access Gateway Standard and Advanced Editions before Access Gateway 5.0, allows attackers to execute arbitrary commands via shell metacharacters in the password field.
Affected products
No data.
Configuration 1
- ≤ 9.2-49.8
- .8.0
- 8.0
- 8.0
- 8.0
- 8.1-69.4
- 9.0.71.3
- 9.1-104.5
Configuration 2
- 4.5
- 4.5
- 4.5
- 4.5
- 4.5.5
- 4.5.6
- 4.5.7
- 4.6.1
- 4.6.2
- 4.6.3
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.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:C/I:C/A:C
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 (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 27.79% (0.27795) | 98.04th | v5 (v2026.06.15) |
| Jun 15, 2026 | 27.79% (0.27795) | 97.84th | v5 (v2026.06.15) |
| Mar 30, 2025 | 71.85% (0.71849) | 98.65th | v4 (v2025.03.14) |
| Mar 29, 2025 | 75.98% (0.75981) | 98.59th | v4 (v2025.03.14) |
| Mar 19, 2025 | 71.85% (0.71849) | 98.62th | v4 (v2025.03.14) |
| Mar 17, 2025 | 69.98% (0.69977) | 98.57th | v4 (v2025.03.14) |
| Dec 17, 2024 | 14.26% (0.14255) | 95.69th | v3 (v2023.03.01) |
| Jun 11, 2024 | 11.68% (0.11685) | 95.29th | v3 (v2023.03.01) |
| Apr 29, 2024 | 11.73% (0.11730) | 95.23th | v3 (v2023.03.01) |
| Sep 4, 2023 | 8.64% (0.08639) | 93.69th | v3 (v2023.03.01) |
| Mar 7, 2023 | 6.34% (0.06339) | 92.50th | v3 (v2023.03.01) |
| Mar 6, 2023 | 76.31% (0.76311) | 99.38th | v2 (v2022.01.01) |
| Mar 6, 2022 | 76.31% (0.76311) | 99.25th | v2 (v2022.01.01) |
| Feb 4, 2022 | 76.96% (0.76956) | 99.28th | v2 (v2022.01.01) |
No CWE recorded.
References (6)
- http://securityreason.com/securityalert/8119 third-party-advisoryx_refsource_SREASON
- http://support.citrix.com/article/CTX127613 x_refsource_CONFIRMVendor Advisory
- http://www.exploit-db.com/exploits/16916 exploitx_refsource_EXPLOIT-DB
- http://www.osvdb.org/70099 vdb-entryx_refsource_OSVDB
- http://www.securitytracker.com/id?1024893 vdb-entryx_refsource_SECTRACK
- http://www.vsecurity.com/resources/advisory/20101221-1 x_refsource_MISC
| Link | Providers | Tags |
|---|---|---|
| http://securityreason.com/securityalert/8119 | third-party-advisoryx_refsource_SREASON | |
| http://support.citrix.com/article/CTX127613 | x_refsource_CONFIRMVendor Advisory | |
| http://www.exploit-db.com/exploits/16916 | exploitx_refsource_EXPLOIT-DB | |
| http://www.osvdb.org/70099 | vdb-entryx_refsource_OSVDB | |
| http://www.securitytracker.com/id?1024893 | vdb-entryx_refsource_SECTRACK | |
| http://www.vsecurity.com/resources/advisory/20101221-1 | x_refsource_MISC |
Change history (0)
No recorded changes yet.