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CVE-2021-38599

23
FAUCET Score

CVE-2021-38599 affects WAL-G versions prior to 1.1, specifically when built without libsodium, causing it to silently upload unencrypted backups despite user intent for encryption. This high-severity vulnerability (CVSS 7.5) has a network attack vector and low attack complexity, potentially leading to a complete compromise of data confidentiality. While no active exploitation, public exploit code, or significant community discussion has been observed, the silent failure to encrypt poses a significant risk to data privacy.

Impacted Technologies

VendorProductVersion(s)CPE
< 1.1CPE matchmatch criteria
cpe:2.3:a:wal-g_project:wal-g:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.83%
Probability of exploitation in next 30 days
EPSS Percentile
53.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0083 is in the 29th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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 (2)

github_advisorypatch availablevia nvd_reference
View patch
gopatch availablevia ghsa
Product: github.com/wal-g/wal-gFixed in: 1.1

Vendor Advisories (1)

goGHSA-vrmr-f2qh-3hhfhigh

Improper use of cryptographic key in wal-g

Sep 2, 2021

References

github.com / wal-g/wal-g/commit/cadf598e1c2a345915a21a44518c5a4d5401e2e3
PatchThird Party Advisory
github.com / wal-g/wal-g/pull/1062
PatchThird Party Advisory