CVE-2021-27205

CVE-2021-27205 is a medium-severity vulnerability in Telegram with a CVSS 3.x base score of 5.5. 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-312.

Key facts

Description

Telegram before 7.4 (212543) Stable on macOS stores the local copy of self-destructed messages in a sandbox path, leading to sensitive information disclosure.

Frequently asked questions

What is CVE-2021-27205?
Telegram before 7.4 (212543) Stable on macOS stores the local copy of self-destructed messages in a sandbox path, leading to sensitive information disclosure.
How severe is CVE-2021-27205?
CVE-2021-27205 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-27205 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-27205?
CVE-2021-27205 affects Telegram. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-27205?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-27205 published?
CVE-2021-27205 was published on 2021-02-12 and last updated on 2026-06-17.

References

Affected products (1)

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