No exploitation reportedFix available

CVE-2021-45330

Q: Is CVE-2021-45330 actively exploited?

Active exploitation of CVE-2021-45330 has not been confirmed. Its EPSS score was 1.4% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

Q: What is the CVSS score for CVE-2021-45330?

CVE-2021-45330 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

No exploitation reported by the sources we read.

Published2022-02-09
WeaknessCWE-459

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

An issue exsits in Gitea through 1.15.7, which could let a malicious user gain privileges due to client side cookies not being deleted and the session remains valid on the server side for reuse.

Timeline

dates in UTC

2022-02-0918:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 21:37 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2021-45330?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2021-45330?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD · OSV

Gitea

Branch	Affected	Fixed in	Source
1.15	≤ 1.15.7	no fix published	NVD

code.gitea.io/gitea

Branch	Affected	Fixed in	Source
1.6	< 1.6.0	1.6.0	OSV

gitea

Branch	Affected	Fixed in	Source
1.15	< 1.15.8	1.15.8	OSV

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

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.19.8read 2026-10-23
NVDCVSS 2.07.5read 2026-10-23
NVDweakness (CWE)CWE-459read 2026-10-23
FIRST EPSSEPSS score1.4 %2026-10-22
OSVaffected packages—

Technical details

CVSS v3 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: 2022-02-09
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2021-45330?

An issue exsits in Gitea through 1.15.7, which could let a malicious user gain privileges due to client side cookies not being deleted and the session remains valid on the server side for reuse.

Is CVE-2021-45330 actively exploited?

Active exploitation of CVE-2021-45330 has not been confirmed. Its EPSS score was 1.4% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-45330?

CVE-2021-45330 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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