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CVE-2020-25787

An issue was discovered in Tiny Tiny RSS (aka tt-rss) before 2020-09-16. It does not validate all...

9.8 CriticalPublic exploitFix available

An issue was discovered in Tiny Tiny RSS (aka tt-rss) before 2020-09-16. It does not validate all URLs before requesting them.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

18.4%Up 14.8 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 9.8

An issue was discovered in Tiny Tiny RSS (aka tt-rss) before 2020-09-16. It does not validate all URLs before requesting them.

Record
CVE-2020-25787
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
10.0 HighAV:N/AC:L/Au:N/C:C/I:C/A:C
Weakness
CWE-20
Updated
2026-11-02
CVE List No score

An issue was discovered in Tiny Tiny RSS (aka tt-rss) before 2020-09-16. It does not validate all URLs before requesting them.

Record
CVE-2020-25787
Updated
2026-11-02
EUVDEUVD-2020-18437 No score

An issue was discovered in Tiny Tiny RSS (aka tt-rss) before 2020-09-16. It does not validate all URLs before requesting them.

Record
EUVD-2020-18437
Updated
2026-11-02
GitHub AdvisoriesGHSA-8966-pp95-9j6j 9.8

An issue was discovered in Tiny Tiny RSS (aka tt-rss) before 2020-09-16. It does not validate all...

An issue was discovered in Tiny Tiny RSS (aka tt-rss) before 2020-09-16. It does not validate all URLs before requesting them.

Record
GHSA-8966-pp95-9j6j
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-20
Updated
2026-11-02
OSV 9.8

An issue was discovered in Tiny Tiny RSS (aka tt-rss) before 2020-09-16. It does not validate all URLs before requesting them.

Record
CVE-2020-25787
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2020-25787 9.8

An issue was discovered in Tiny Tiny RSS (aka tt-rss) before 2020-09-16. It does not validate all URLs before requesting them.

Record
DEBIAN-CVE-2020-25787
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2020-25787 9.8

An issue was discovered in Tiny Tiny RSS (aka tt-rss) before 2020-09-16. It does not validate all URLs before requesting them.

Record
UBUNTU-CVE-2020-25787
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
tt-rss
Debian:12
 before 21~git20210204.b4cbc79+dfsg-1
21~git20210204.b4cbc79+dfsg-1
tt-rss
Ubuntu:16.04:LTS
 All versions, plus listed versions
1.15+dfsg-115.7+git20151123+dfsg-115.7+git20151123+dfsg-1ubuntu1
 None known
tt-rss
Ubuntu:18.04:LTS
 All versions, plus listed versions
17.1+git20170410+dfsg-217.1+git20170410+dfsg-2ubuntu1
 None known
tt-rss
Ubuntu:22.04:LTS
 All versions, plus listed versions
21~git20210204.b4cbc79+dfsg-1
 None known
tt-rss
Ubuntu:24.04:LTS
 All versions, plus listed versions
21~git20210204.b4cbc79+dfsg-1.2
 None known

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
Exploit-DBTiny Tiny RSS - Remote Code Execution2021-03-02

History

History
RecordedChangedSources
first indexedCVE List, EUVD, Exploit-DB, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-25787 is a critical vulnerability (CVSS 9.8) in Tt-rss Tiny Tiny Rss, published September 19, 2020. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 18.4%, the 97th percentile. Fixed in tt-rss 21~git20210204.b4cbc79+dfsg-1.

References

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