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Exploitation reportedNot in CISA KEV yetFix available

CVE-2020-8194

Exploitation reported by one source. First attested on 2026-11-04 by GCVE · shadowserver.

  • Published2020-07-10
  • Fixed in13.0-58.30 · 12.1-57.18 · 12.0-63.21 · 11.1-64.14 · 10.5-70.18
  • WeaknessCWE-94

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

Reflected code injection in Citrix ADC and Citrix Gateway versions before 13.0-58.30, 12.1-57.18, 12.0-63.21, 11.1-64.14 and 10.5-70.18 and Citrix SDWAN WAN-OP versions before 11.1.1a, 11.0.3d and 10.2.7 allows the modification of a file download.

Timeline

dates in UTC
  1. 2020-07-1016:15CVE publishedNVD
  2. 2026-11-0408:30Exploitation first reportedGCVE
  3. 2026-11-0408:30Listed as exploited by GCVEGCVE

Versions per branch

NVD
Citrix application delivery controller firmwareversion to verify
BranchAffectedFixed in
13.0≥ 13.0, < 13.0-58.3013.0-58.30
12.1≥ 12.1, < 12.1-57.1812.1-57.18
12.0≥ 12.0, < 12.0-63.2112.0-63.21
11.1≥ 11.1, < 11.1-64.1411.1-64.14
10.5≥ 10.5, < 10.5-70.1810.5-70.18
Citrix netscaler gateway firmwareversion to verify
BranchAffectedFixed in
12.1≥ 12.1, < 12.1-57.1812.1-57.18
12.0≥ 12.0, < 12.0-63.2112.0-63.21
11.1≥ 11.1, < 11.1-64.1411.1-64.14
10.5≥ 10.5, < 10.5-70.1810.5-70.18
Citrix sd-wan wanopversion to verify
BranchAffectedFixed in
11.1≥ 11.1, < 11.1.1a11.1.1a
11.0≥ 11.0, < 11.0.3d11.0.3d
10.2≥ 10.2, < 10.2.710.2.7

1 more product in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

  1. Update Citrix application delivery controller firmware to 13.0-58.30 · 12.1-57.18 · 12.0-63.21 · 11.1-64.14 · 10.5-70.18

Advisories and patches

Detection

read 2026-11-08 06:29 UTC
Nuclei template
available
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Published
2020-07-10
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-v424-6v58-95q3

Frequently asked questions

What is CVE-2020-8194?

Reflected code injection in Citrix ADC and Citrix Gateway versions before 13.0-58.30, 12.1-57.18, 12.0-63.21, 11.1-64.14 and 10.5-70.18 and Citrix SDWAN WAN-OP versions before 11.1.1a, 11.0.3d and 10.2.7 allows the modification of a file download.

Is CVE-2020-8194 actively exploited?

Active exploitation of CVE-2020-8194 has not been confirmed. Its EPSS score was 10.8% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-8194?

CVE-2020-8194 has a CVSS v3 base score of 6.5 (MEDIUM severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.

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