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CVE-2020-27207

23
FAUCET Score

CVE-2020-27207 is a use-after-free vulnerability affecting Zetetic SQLCipher versions 4.x prior to 4.4.1, stemming from issues in sqlcipher_codec_pragma and sqlite3Strlen30. This flaw can be exploited remotely via SQL injection to trigger a denial of service by causing unexpected RAM data reads. With a CVSS score of 7.5 (High), it presents a significant availability risk, though there is no known active exploitation, public exploit code, or significant community discussion surrounding it.

Impacted Technologies

VendorProductVersion(s)CPE
>= 4.0, < 4.4.1CPE matchmatch criteria
cpe:2.3:a:zetetic:sqlcipher:*:*:*:*:*:*:*:*

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:N/I:N/A:H

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

Exploit Intelligence

EPSS Score
1.57%
Probability of exploitation in next 30 days
EPSS Percentile
72.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0157 is in the 55th 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

Remediation records are not available for this CVE.

References

github.com / sqlcipher/sqlcipher/compare/v4.4.0...v4.4.1
Third Party Advisory
telekom.com / en/corporate-responsibility/data-protection-data-security/security/details/advisories-504842
Third Party Advisory
telekom.com / resource/blob/612796/9f221708832a465f03585a45d7f59b45/dl-201112-denial-of-serviceen-data.pdf
Third Party Advisory