CVE-2021-27577 — HIGH (7.5)

Q: How severe is CVE-2021-27577?

CVE-2021-27577 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2021-27577?

Check the references section above for vendor advisories and patch information. Affected products include: Apache Traffic Server, Debian Debian Linux.

Vulnerability Description

Incorrect handling of url fragment vulnerability of Apache Traffic Server allows an attacker to poison the cache. This issue affects Apache Traffic Server 7.0.0 to 7.1.12, 8.0.0 to 8.1.1, 9.0.0 to 9.0.1.

CVSS Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Apache	Traffic Server	>= 7.0.0, <= 7.1.12
Debian	Debian Linux	8.0

Related Weaknesses (CWE)

CWE-444

References

https://lists.apache.org/thread.html/ra1a41ff92a70d25bf576d7da2590575e8ff430393aMailing ListVendor Advisory
https://www.debian.org/security/2021/dsa-4957Third Party Advisory
https://lists.apache.org/thread.html/ra1a41ff92a70d25bf576d7da2590575e8ff430393aMailing ListVendor Advisory
https://www.debian.org/security/2021/dsa-4957Third Party Advisory

FAQ

What is CVE-2021-27577?

CVE-2021-27577 is a vulnerability with a CVSS score of 7.5 (HIGH). Incorrect handling of url fragment vulnerability of Apache Traffic Server allows an attacker to poison the cache. This issue affects Apache Traffic Server 7.0.0 to 7.1.12, 8.0.0 to 8.1.1, 9.0.0 to 9.0...

How severe is CVE-2021-27577?

CVE-2021-27577 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-27577?

Check the references section above for vendor advisories and patch information. Affected products include: Apache Traffic Server, Debian Debian Linux.