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Purlpkg:deb/debian/symfony@4.4.13%2Bdfsg-1?distro=trixie
Typedeb
Namespacedebian
Namesymfony
Version4.4.13+dfsg-1
Qualifiers
distro trixie
Subpath
Is_vulnerablefalse
Next_non_vulnerable_version4.4.19+dfsg-2
Latest_non_vulnerable_version7.4.8+dfsg-1
Affected_by_vulnerabilities
Fixing_vulnerabilities
0
url VCID-txk7-krb1-bqd9
vulnerability_id VCID-txk7-krb1-bqd9
summary 
RCE in Symfony
Description
-----------

The `CachingHttpClient` class from the HttpClient Symfony component relies on the `HttpCache` class to handle requests. `HttpCache` uses internal headers like `X-Body-Eval` and `X-Body-File` to control the restoration of cached responses. The class was initially written with surrogate caching and ESI support in mind (all HTTP calls come from a trusted backend in that scenario). But when used by `CachingHttpClient` and if an attacker can control the response for a request being made by the `CachingHttpClient`, remote code execution is possible.

Resolution
----------

HTTP headers designed for internal use in `HttpCache` are now stripped from remote responses before being passed to `HttpCache`.

The patch for this issue is available [here](https://github.com/symfony/symfony/commit/d9910e0b33a2e0f993abff41c6fbc86951b66d78) for the 4.4 branch.

Credits
-------

I would like to thank Matthias Pigulla (webfactory GmbH) for reporting and fixing the issue.
references
0
reference_url https://api.first.org/data/v1/epss?cve=CVE-2020-15094
reference_id
reference_type
scores
0
value 0.02248
scoring_system epss
scoring_elements 0.84571
published_at 2026-04-09T12:55:00Z
1
value 0.02248
scoring_system epss
scoring_elements 0.84603
published_at 2026-04-21T12:55:00Z
2
value 0.02248
scoring_system epss
scoring_elements 0.84602
published_at 2026-04-18T12:55:00Z
3
value 0.02248
scoring_system epss
scoring_elements 0.84601
published_at 2026-04-16T12:55:00Z
4
value 0.02248
scoring_system epss
scoring_elements 0.84581
published_at 2026-04-13T12:55:00Z
5
value 0.02248
scoring_system epss
scoring_elements 0.84586
published_at 2026-04-12T12:55:00Z
6
value 0.02248
scoring_system epss
scoring_elements 0.8459
published_at 2026-04-11T12:55:00Z
7
value 0.02248
scoring_system epss
scoring_elements 0.84503
published_at 2026-04-01T12:55:00Z
8
value 0.02248
scoring_system epss
scoring_elements 0.84519
published_at 2026-04-02T12:55:00Z
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value 0.02248
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scoring_elements 0.8454
published_at 2026-04-04T12:55:00Z
10
value 0.02248
scoring_system epss
scoring_elements 0.84543
published_at 2026-04-07T12:55:00Z
11
value 0.02248
scoring_system epss
scoring_elements 0.84565
published_at 2026-04-08T12:55:00Z
url https://api.first.org/data/v1/epss?cve=CVE-2020-15094
1
reference_url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15094
reference_id
reference_type
scores
url https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15094
2
reference_url https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/http-kernel/CVE-2020-15094.yaml
reference_id
reference_type
scores
0
value 8.0
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
1
value HIGH
scoring_system generic_textual
scoring_elements
url https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/http-kernel/CVE-2020-15094.yaml
3
reference_url https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2020-15094.yaml
reference_id
reference_type
scores
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scoring_system cvssv3.1
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1
value HIGH
scoring_system generic_textual
scoring_elements
url https://github.com/FriendsOfPHP/security-advisories/blob/master/symfony/symfony/CVE-2020-15094.yaml
4
reference_url https://github.com/symfony/symfony
reference_id
reference_type
scores
0
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scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
1
value HIGH
scoring_system generic_textual
scoring_elements
url https://github.com/symfony/symfony
5
reference_url https://github.com/symfony/symfony/commit/d9910e0b33a2e0f993abff41c6fbc86951b66d78
reference_id
reference_type
scores
0
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1
value HIGH
scoring_system generic_textual
scoring_elements
url https://github.com/symfony/symfony/commit/d9910e0b33a2e0f993abff41c6fbc86951b66d78
6
reference_url https://github.com/symfony/symfony/security/advisories/GHSA-754h-5r27-7x3r
reference_id
reference_type
scores
0
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1
value HIGH
scoring_system cvssv3.1_qr
scoring_elements
2
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scoring_system generic_textual
scoring_elements
url https://github.com/symfony/symfony/security/advisories/GHSA-754h-5r27-7x3r
7
reference_url https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HNGUWOEETOFVH4PN3I3YO4QZHQ4AUKF3
reference_id
reference_type
scores
0
value 8.0
scoring_system cvssv3.1
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1
value HIGH
scoring_system generic_textual
scoring_elements
url https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HNGUWOEETOFVH4PN3I3YO4QZHQ4AUKF3
8
reference_url https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HNGUWOEETOFVH4PN3I3YO4QZHQ4AUKF3/
reference_id
reference_type
scores
url https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HNGUWOEETOFVH4PN3I3YO4QZHQ4AUKF3/
9
reference_url https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VAQJXAKWPMWB7OL6QPG2ZSEQZYYPU5RC
reference_id
reference_type
scores
0
value 8.0
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
1
value HIGH
scoring_system generic_textual
scoring_elements
url https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VAQJXAKWPMWB7OL6QPG2ZSEQZYYPU5RC
10
reference_url https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VAQJXAKWPMWB7OL6QPG2ZSEQZYYPU5RC/
reference_id
reference_type
scores
url https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VAQJXAKWPMWB7OL6QPG2ZSEQZYYPU5RC/
11
reference_url https://nvd.nist.gov/vuln/detail/CVE-2020-15094
reference_id
reference_type
scores
0
value 8.0
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
1
value HIGH
scoring_system generic_textual
scoring_elements
url https://nvd.nist.gov/vuln/detail/CVE-2020-15094
12
reference_url https://packagist.org/packages/symfony/http-kernel
reference_id
reference_type
scores
0
value 8.0
scoring_system cvssv3.1
scoring_elements CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
1
value HIGH
scoring_system generic_textual
scoring_elements
url https://packagist.org/packages/symfony/http-kernel
13
reference_url https://packagist.org/packages/symfony/symfony
reference_id
reference_type
scores
0
value 8.0
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scoring_elements CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H
1
value HIGH
scoring_system generic_textual
scoring_elements
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14
reference_url https://symfony.com/cve-2020-15094
reference_id
reference_type
scores
0
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1
value HIGH
scoring_system generic_textual
scoring_elements
url https://symfony.com/cve-2020-15094
15
reference_url https://github.com/advisories/GHSA-754h-5r27-7x3r
reference_id GHSA-754h-5r27-7x3r
reference_type
scores
0
value HIGH
scoring_system cvssv3.1_qr
scoring_elements
url https://github.com/advisories/GHSA-754h-5r27-7x3r
fixed_packages
0
url pkg:deb/debian/symfony@4.4.13%2Bdfsg-1?distro=trixie
purl pkg:deb/debian/symfony@4.4.13%2Bdfsg-1?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/symfony@4.4.13%252Bdfsg-1%3Fdistro=trixie
1
url pkg:deb/debian/symfony@4.4.19%2Bdfsg-2%2Bdeb11u6?distro=trixie
purl pkg:deb/debian/symfony@4.4.19%2Bdfsg-2%2Bdeb11u6?distro=trixie
is_vulnerable true
affected_by_vulnerabilities
0
vulnerability VCID-p1dw-w76f-gbfv
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/symfony@4.4.19%252Bdfsg-2%252Bdeb11u6%3Fdistro=trixie
2
url pkg:deb/debian/symfony@5.4.23%2Bdfsg-1%2Bdeb12u5?distro=trixie
purl pkg:deb/debian/symfony@5.4.23%2Bdfsg-1%2Bdeb12u5?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/symfony@5.4.23%252Bdfsg-1%252Bdeb12u5%3Fdistro=trixie
3
url pkg:deb/debian/symfony@6.4.21%2Bdfsg-2%2Bdeb13u1?distro=trixie
purl pkg:deb/debian/symfony@6.4.21%2Bdfsg-2%2Bdeb13u1?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/symfony@6.4.21%252Bdfsg-2%252Bdeb13u1%3Fdistro=trixie
4
url pkg:deb/debian/symfony@7.4.7%2Bdfsg-1?distro=trixie
purl pkg:deb/debian/symfony@7.4.7%2Bdfsg-1?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/symfony@7.4.7%252Bdfsg-1%3Fdistro=trixie
5
url pkg:deb/debian/symfony@7.4.8%2Bdfsg-1?distro=trixie
purl pkg:deb/debian/symfony@7.4.8%2Bdfsg-1?distro=trixie
is_vulnerable false
affected_by_vulnerabilities
resource_url http://public2.vulnerablecode.io/packages/pkg:deb/debian/symfony@7.4.8%252Bdfsg-1%3Fdistro=trixie
aliases CVE-2020-15094, GHSA-754h-5r27-7x3r
risk_score 4.0
exploitability 0.5
weighted_severity 8.0
resource_url http://public2.vulnerablecode.io/vulnerabilities/VCID-txk7-krb1-bqd9
Risk_scorenull
Resource_urlhttp://public2.vulnerablecode.io/packages/pkg:deb/debian/symfony@4.4.13%252Bdfsg-1%3Fdistro=trixie