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CVE-2021-45328

31
FAUCET Score

CVE-2021-45328 is an Open Redirect vulnerability affecting Gitea versions prior to 1.4.3, allowing an attacker to redirect users to untrusted sites via internal URLs. With a CVSS score of 6.1 (Medium), this vulnerability requires user interaction (UI:R) and has low impact on confidentiality and integrity (C:L/I:L), but can be exploited remotely with low attack complexity. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.4.3CPE matchmatch criteria
cpe:2.3:a:gitea:gitea:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.95%
Probability of exploitation in next 30 days
EPSS Percentile
57.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Nuclei: CVE-2021-45328 · Mar 31, 2023
This CVE's current EPSS score of 0.0095 is in the 70th percentile among its peer group of 26,234 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (6)

audiobookshelfpatch availablevia llm_extracted
axispatch availablevia llm_extracted
extreme_networkspatch availablevia llm_extracted
freebsdpatch availablevia llm_extracted
gopatch availablevia ghsa
Product: github.com/go-gitea/giteaFixed in: 1.4.3
trendmicropatch availablevia llm_extracted

Vendor Advisories (6)

goGHSA-36h2-95gj-w488medium

Open redirect in Gitea

Feb 9, 2022
trendmicrollm-trendmicro-8cc72f455aee1ad5

Open Redirect

axisllm-axis-e90c86973d25dc59

Open Redirect

audiobookshelfllm-audiobookshelf-3b08580bf20308ea

Open Redirect

freebsdllm-freebsd-b1e6df84692d53cf

Open Redirect

extreme_networksllm-extreme_networks-9f602a13f11440fe

Open Redirect

References

blog.gitea.io / 2018/06/release-of-1.4.3
Vendor Advisory
github.com / go-gitea/gitea/issues/4332
Issue TrackingThird Party Advisory