How severe is CVE-2021-27211?

CVE-2021-27211 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-27211 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-27211?

CVE-2021-27211 affects Steghide Project Steghide. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-27211?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-27211 published?

CVE-2021-27211 was published on 2021-02-15 and last updated on 2026-06-17.

CVE-2021-27211

CVE-2021-27211 is a high-severity vulnerability in Steghide Project Steghide with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-335.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-335
Affected product: Steghide Project Steghide
Published: 2021-02-15
Last modified: 2026-06-17

Description

steghide 0.5.1 relies on a certain 32-bit seed value, which makes it easier for attackers to detect hidden data.

Frequently asked questions

What is CVE-2021-27211?: steghide 0.5.1 relies on a certain 32-bit seed value, which makes it easier for attackers to detect hidden data.
How severe is CVE-2021-27211?: CVE-2021-27211 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-27211 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-27211?: CVE-2021-27211 affects Steghide Project Steghide. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-27211?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-27211 published?: CVE-2021-27211 was published on 2021-02-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:steghide_project:steghide:0.5.1:*:*:*:*:*:*:*

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