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CVE-2023-20902

17
FAUCET Score

CVE-2023-20902 is a timing condition vulnerability affecting Harbor versions 2.6.x and below, 2.7.2 and below, 2.8.2 and below, and 1.10.17 and below. An unauthenticated attacker with network access can exploit this flaw to create or stop job tasks and retrieve job task information. Rated Medium severity (CVSS 6.5), it has a network attack vector and high attack complexity, potentially leading to high confidentiality impact and low integrity impact. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.10.17CPE matchmatch criteria
cpe:2.3:a:linuxfoundation:harbor:*:*:*:*:*:*:*:*
>= 2.6.0, <= 2.6.4CPE matchmatch criteria
cpe:2.3:a:linuxfoundation:harbor:*:*:*:*:*:*:*:*
>= 2.7.0, < 2.7.3CPE matchmatch criteria
cpe:2.3:a:linuxfoundation:harbor:*:*:*:*:*:*:*:*
>= 2.8.0, < 2.8.3CPE matchmatch criteria
cpe:2.3:a:linuxfoundation:harbor:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.9MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.2
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.37%
Probability of exploitation in next 30 days
EPSS Percentile
29.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0037 is in the 4th percentile among its peer group of 19,958 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

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

Remediation

Patch Available

Vendor Patches (4)

gopatch availablevia ghsa
Product: github.com/goharbor/harborFixed in: 1.10.18
gopatch availablevia ghsa
Product: github.com/goharbor/harborFixed in: 2.7.3
gopatch availablevia ghsa
Product: github.com/goharbor/harborFixed in: 2.8.3
github_advisoryvendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

goGHSA-mq6f-5xh5-hgcfmedium

Harbor timing attack risk

Oct 10, 2023

References

github.com / goharbor/harbor/security/advisories/GHSA-mq6f-5xh5-hgcf
ExploitVendor Advisory